Self - Narrator (76 episodes, 2006-2020)
Self - Narrator / Narrator / Self (56 episodes, 2010-2023)
Self - Narrator / Narrator (32 episodes, 1992-2006)
Self - Narrator / Narrator / Narrated By (26 episodes, 2012-2024)
Self - Narrator / Narrator / Self (26 episodes, 2004-2015)
Narrator / Self (narrator) / Self - Narrator (24 episodes, 1988-2009)
Narrator / Self / Self - Narrator (22 episodes, 2002-2008)
Self - Narrator / Narrator (19 episodes, 1999-2009)
Narrator / Narrator - World War II Veteran / Self - Narrator (14 episodes, 1989-2014)
Self - Narrator / Self / Narrator / Self - Harvey Mudd College / Self - Host / Host (13 episodes, 2018-2022)
Self - Host / Self - Technology Reporter, New York Times / Self / Self - New York Times Tech Columnist (13 episodes, 2011-2021)
Self / Narrator / Self - Narrator / Self - narrator (12 episodes, 2022-2024)
Self - Narrator / Narrator (9 episodes, 1996-2006)
Self - Narrator / Self - Host / Reporter / Self / Self - Correspondent (8 episodes, 2013-2024)
Self - Narrator (8 episodes, 1979-2005)
Self / Narrator / Host / Self - American Museum of Natural History / Self - American Museum of Natural History, Hayden Planetarium / Self - Narrator / narrator (8 episodes, 2004-2018)
Self (narrator) / Narrator (8 episodes, 1978-1993)
Self - Narrator / Self - Presenter / Self - Host (8 episodes, 1997-2022)
Self / Self - University of Maryland / Self - Brown University (7 episodes, 2011-2021)
Self / Co-Hist / Co-Host / Self - New York University (7 episodes, 2016-2018)
Narrator / Self (7 episodes, 1998-1999)
Narrator / Self / Self - Host / Self - Host, Columbia University / Self - Presenter (7 episodes, 2003-2011)
Self / Self - Director, Space Telescope Science Institute / Self - Director: Space Telescope Science Institute / Self - Telescope Scientist, JWST, The Assoc. of Universities for Research in Astronomy (7 episodes, 2009-2023)
Self - Harvard-Smithsonian Center for Astrophysics / Self (6 episodes, 2021-2024)
Self - Narrator (6 episodes, 1996-2018)
Self - Narrator (6 episodes, 2001-2010)
Self - Narrator / Narrator (6 episodes, 1974-2001)
Narrator / Dr. Robert Darwin / Self (6 episodes, 2004-2009)
Self - Astronomer at Cornell University / Self - Cornell University / Self - Lead Science Investigator, MER / Self - Lead Science Investigator, Mars Exploration Rovers / Self - Participant / Self - Principal Investigator, Opportunity (6 episodes, 2004-2019)
Narrator / Self (6 episodes, 2003-2004)
Self / Co-Hist / Co-Host (6 episodes, 2018)
Narrator (5 episodes, 2011-2014)
Self - Narrator (5 episodes, 2019)
Self - University of Georgia / Self / Self - expert (5 episodes, 2013-2023)
Self - Massachusetts Institute of Technology / Self - MIT / Self - MIT Physicist (5 episodes, 2011-2021)
Self - George Mason Universty / Self (5 episodes, 2021-2024)
Narrator / Self / Self - Narrator (5 episodes, 2009-2017)
Narrator / Self (5 episodes, 2020-2022)
Self / Self - Columbia University / Self - Narrator / Self - Theoretical Physicist (5 episodes, 2011-2018)
Self / Self - Chemist, University College, London / Self - University College London (5 episodes, 2013-2019)
Self - University of Cambridge / Self (5 episodes, 2005-2015)
Self - Institute of Human Origins / Self (5 episodes, 2009-2016)
Self - Chief Astronomer The Franklin Institute / Self / Self - Chief Astronomer / Self - Chief Astronomer - The Franklin Institute / The Franklin Institute (5 episodes, 2019-2021)
Self - Harvard-Smithsonian Center for Astrophysics / Self / Self - Harvard University (4 episodes, 2019-2024)
Self - Sandia National Laboratories / Self - Scientist at Sandia National Laboratories (4 episodes, 2009-2017)
Narrator (4 episodes, 2004-2022)
Self - Host / Hosted by / Self - Denver Museum of Nature & Science (4 episodes, 2012-2024)
Self / Self - Planetary Scientist, Cornell University / Self - Scientist, Cassini / Self - Scientist, Cassini-Huygens (4 episodes, 2017-2023)
Self - Harvard-Smithsonian Center for Astrophysics / Self / Self - Associate Professor of Astronomy (4 episodes, 2010-2021)
Self - Narrator / Translation voice (4 episodes, 1998-2004)
Narrator / Self (4 episodes, 2006)
Self / Self - Lead Engineer (4 episodes, 2012-2016)
Self - Harvard University / Self (4 episodes, 2005-2018)
Self / Self - University of Oklahoma (4 episodes, 1985-2013)
Self / Self - Geneticist, Max Planck Institute / Self - Max Planck Institute / Self - Max Planck Institute - Leipzig (4 episodes, 2002-2013)
Self / Self - Entry Descent and Landing Lead, Mars Science Laboratory / Self - Landing Systems Engineer, Jet Propulsion Laboratory / Self - Mechanical Systems Lead (4 episodes, 2004-2015)
Self / Self - Imaging Team Leader, Cassini / Self - Lead Scientist, Cassini Imaging Team / Self - Planetary Scientist at Space Science Institute (4 episodes, 2011-2023)
Self / Self - Curator of Smithsonian Air and Space Museum / Self - National Air and Space Museum / Self - Smithsonian Air & Space Museum (4 episodes, 2003-2014)
Self / Self - California Institute of Technology / Self - Consolidated Edison / Self - Planetary Astronomer, Caltech (4 episodes, 2010-2019)
Self - Stanford University / CEO / Self / Self - Kitty Hawk Corporation (4 episodes, 2006-2021)
Self - Narrator (4 episodes, 1997-2001)
Self - Harvard University / Self - Paleoanthropologist, Harvard University (4 episodes, 2002-2009)
Self - Associate Administrator, NASA / Self - NASA Associate Administrator / Self - NASA Science Mission Directorate (4 episodes, 2004-2015)
Self / Self - Astrophysicist, Massachussets Institute of Technology / Self - Theoretical Physicist (3 episodes, 2008-2015)
Self (4 episodes, 2008-2014)
Self / Self - Smithsonian Institution (4 episodes, 2009-2016)
Self / Self - Astronomer - UCLA / Self - Planetary Astronomer, UCLA / Self - University of California, Los Angeles (4 episodes, 2010-2020)
Self / Self - Principal Investigator, New Horizons / Self - Principal Investigator, New Horizons Mission / Self - Southwest Research Institute (4 episodes, 2010-2019)
Self / Self - Astrophysicist at STScl (4 episodes, 2010-2015)
Self / Self - Astronomer at University of California at Berkeley / Self - Professor of Astronomy (4 episodes, 2010-2014)
Self (4 episodes, 2013)
Self - Astrophysicist / Self - Harvard University (3 episodes, 2018-2021)
Self - Narrator / Narrator / Self (3 episodes, 2012-2013)
Self - Calligrapher (3 episodes, 2005-2020)
Self / Self - Evolutionary Biologist / Self - Evolutionary Geneticist (3 episodes, 2016-2024)
Self - NASA Goddard Space Flight Center / Self (3 episodes, 2012-2017)
Self - Military Historian / Self (3 episodes, 2013-2017)
Self - American University in Cairo / Self (3 episodes, 2015-2020)
Self - Director Planetary Science Division, NASA / Self - Director of Planetary Science Division at NASA / Self - NASA Planetary Science (3 episodes, 2011-2017)
Self - National Weather Service / Self - National Weather Service, Storm Prediction Center / Self - Storm Prediction Center (3 episodes, 2012-2018)
Self - California Institute of Technology / Self (3 episodes, 2006-2018)
Self / Self - MIT / Self - Massachusetts Institute of Technology (3 episodes, 2013-2017)
Self / Self - Ancient Egypt Research Associates / Self - Egyptologist (3 episodes, 1992-2019)
Self (3 episodes, 1995-2008)
Self - MIT / Self - Massachusetts Institute of Technology / Self - Theoretical Physicist, MIT (3 episodes, 2011-2021)
Self / Self - Univ. of Southern California / Self - University of Southern California (3 episodes, 2011-2015)
Self / Self - McGill University (3 episodes, 2000-2024)
Self - Chief Scientist, Mars Science Laboratory / Self - MIT / Self - Project Scientist, Curiosity 2007-2015 (3 episodes, 2005-2019)
Self / Self - Bird Specialist / Self - Bird Trainer (3 episodes, 2014-2018)
Host / Self / Self - National Museum of Natural History / Self - Presenter & Sant Director, National Museum of Natural History (3 episodes, 2017-2022)
Self - KWTV, Oklahoma City / Self (3 episodes, 2004-2013)
Self - Chief Engineer, Mars Science Laboratory / Self - Entry Descent and Landing Manager / Self - Systems Engineering Manager, MER (3 episodes, 2004-2012)
Self / Self - MIT / Self - Massachusetts Institute of Technology - Department of Mechanical Engineering (2 episodes, 2008-2014)
Self / Self - California Institute of Technology / Self - Cosmologist (3 episodes, 2011-2015)
Self - Natural History Museum, London / Self (3 episodes, 2005-2016)
Self / Self - Astrobiologist, Columbia Astrobiology Center / Self - Astrobiologist, Columbia University (3 episodes, 2015-2019)
Self - Haag Engineering / Self (3 episodes, 2004-2013)
Self / Self - University of California, Berkeley (3 episodes, 2011-2015)
Self - Participant / Self - Scientist / Self - University of Arizona (3 episodes, 2005-2012)
Self - Cassini Project Scientist, NASA's Jet Propulsion Laboratory / Self - NASA Scientist / Self - Project Scientist, Cassini (3 episodes, 2010-2019)
Self / Self - University of Pennsylvania (3 episodes, 2013-2016)
Narrator (3 episodes, 1975-1984)
Narrator / (Narrator) (3 episodes, 1981-1995)
Narrator / Self (3 episodes, 1997-1998)
Self (3 episodes, 1998-2005)
(3 episodes, 1998-2001)
Self / Self - Reporter (3 episodes, 2001-2004)
Narrator / Self (3 episodes, 2001)
Self / Self - Commentor / Self - University of Chicago (3 episodes, 2002-2009)
Self - Mars Program, Chief Scientist, Jet Propulsion Laboratory / Self - Participant / Self - Scientist, Mars Program, Jet Propulsion Laboratory (3 episodes, 2004-2008)
Self / Self - Marine Geologist - Oregon State University (3 episodes, 2005-2024)
Self / Self - Harvard University / Self - Participant (3 episodes, 2005-2014)
Self / Self - National Oceanography Center - Southampton (3 episodes, 2005-2011)
Self / Self - Astronaut / Self - NASA Astronaut, Retired (3 episodes, 2008-2015)
Self / Self - Providence College (3 episodes, 2008-2015)
Self / Self - Astrobiologist at Ames Research Center / Self - Participant (3 episodes, 2008-2014)
Self - Paleoartist / Self (3 episodes, 2009-2015)
Self - Columbia University (3 episodes, 2009)
Self / Self - Astrophysicist (3 episodes, 2010-2011)
Self / Self - Astrobiologist at Goddard Space Flight Center / Self - Participating Scientist, Curiosity (3 episodes, 2011-2021)
Narrator / Self / Self - Narrator (3 episodes, 2011-2016)
Self / Self - The Univesity of Texas at Austin (3 episodes, 2011-2015)
Self / Self - Fermilab (3 episodes, 2011-2015)
Self / Self - Stanford University (3 episodes, 2011)
Self (3 episodes, 2014)
Self / Self - Astrophysicist, JWST, NASA Goddard Space Flight Center (3 episodes, 2015-2023)
Self / Self - Deputy Project Scientist, New Horizons / Self - Planetary Scientist, New Horizons Mission (3 episodes, 2015-2019)
Self / Self - Project Scientist, New Horizons / Self - Project Scientist, New Horizons Mission (3 episodes, 2015-2019)
Self / Self - Volcanologist, NASA (3 episodes, 2018-2020)
Self / Self - Geologist (3 episodes, 2018-2019)
Host / Self (3 episodes, 2018)
Self - Lunar and Planetary Institute (3 episodes, 2019)
Self - University of Leicester / Self - Co-Investigator, Cassini (3 episodes, 2019)
Self - Host (2 episodes, 2023)
Self - Art Historian / Self - Oxford University (2 episodes, 2012-2019)
Self - Author / Self - Chemist and Author (2 episodes, 2012-2017)
Self - University of Surrey (2 episodes, 2021)
Self - The Wallace Collection, London (2 episodes, 2012-2017)
Self - Author of Biography 'Leonardo da Vinci' / Self - Biographer (2 episodes, 2015-2019)
Self - University of California, Berkeley (2 episodes, 2021)
Self - NOAA Space Weather Prediction Center / Self - National Oceanic and Atmospheric Administration Space Weather Center (2 episodes, 2012-2017)
Self - Door County Forgeworks (2 episodes, 2012-2017)
Self - Carriage Maker / Self - Chariot Builder (2 episodes, 2013-2017)
Self - Southwest Research Institute (2 episodes, 2013)
Self - Harvard-Smithsonian Center for Astrophysics (2 episodes, 2021)
Self - University of Leicester (2 episodes, 2021)
Self - Harvard University (2 episodes, 2013-2019)
Self - Egyptologist (2 episodes, 2019-2020)
Self - Apollo 9 Astronaut (2 episodes, 2013)
Self - University of Western Ontario (2 episodes, 2013)
Self - Newcastle University (2 episodes, 2021)
Self - University of Florida (2 episodes, 2021)
Self - Meteor Researcher / Self - Natural History Museum, London (2 episodes, 2013)
Self - Yale University (2 episodes, 2018-2021)
Self - New Mexico Institute of Mining and Technology (2 episodes, 2013)
Self - Massachusetts General Hospital (2 episodes, 2012-2016)
Self - Jet Propulsion Laboratory, NASA / Self - NASA Jet Propulsion Laboratory (2 episodes, 2013)
Self - University College London (2 episodes, 2021)
Self - Boston University (2 episodes, 2021)
Self - Philologist (2 episodes, 2020)
Self - Optical Engineer / Self - Scientific Director, Lumiere Technology (2 episodes, 2012-2019)
Self - Northeastern University (2 episodes, 2013)
Self - Durham University (2 episodes, 2021)
Self (narrator) / Self - Narrator (2 episodes, 1993-1997)
Self - narrator (2 episodes, 2023)
Self (2 episodes, 2000-2016)
Self - University of Hartford (2 episodes, 2004-2017)
Self - Narrator (2 episodes, 2008-2009)
Self / Self - Archaeologist (2 episodes, 2012-2024)
Self / Self - Association of Renaissance Martial Arts (2 episodes, 2012-2014)
Self / Self - University of Wisconsin (2 episodes, 2013-2015)
Self / Self - Massachusetts Institute of Technology (2 episodes, 2014-2021)
Self / Self - Neuroscientist, Emory University (2 episodes, 2014-2020)
Self / Self - University of Oxford (2 episodes, 2014-2017)
Initiator and Chairman / Self - Pilot, Co-Founder Solar Impulse / Self - Solar Impulse Foundation (2 episodes, 2018-2021)
Self / Self - Co-Investigator on Parker Solar Probe (2 episodes, 2021-2024)
Self - Columbia University (2 episodes, 2005-2017)
Self / Self - University of Utah (2 episodes, 2010-2012)
Self / Self - Symantec (2 episodes, 2014-2015)
Self / Self - Mount Sinai School of Medicine (2 episodes, 2016-2023)
Self / Self - University of Cambridge (2 episodes, 2016-2019)
Self - Planetary Science Institute (2 episodes, 2019)
Self - Cameraman / Self - Explorer (2 episodes, 2005-2012)
Self / Self - Author of Taking Flight (2 episodes, 2006-2007)
Self - NASA Jet Propulsion Laboratory / Self - Participant (2 episodes, 2008-2019)
Self / Self - University of Copenhagen (2 episodes, 2012-2014)
Self / Self - Stanford University (2 episodes, 2016-2019)
Self / Self - Southwest Research Institute (2 episodes, 2017-2024)
Self / Self - University of Cambridge (2 episodes, 2021-2024)
Self / Self (narrator) (2 episodes, 1985-1999)
Self / Self - New York University (2 episodes, 2004-2019)
Self / Self - Vertebrate Paleontologist (2 episodes, 2012-2024)
Self / Self - Costa Concordia Survivor (2 episodes, 2012-2015)
Self / Self - University of Iceland (2 episodes, 2012-2013)
Self / Self - Denver Museum of Nature & Science (2 episodes, 2017-2024)
Co-Founder / Self - H55 / Self - Pilot, Co-Founder Solar Impulse (2 episodes, 2018-2021)
Self - Egyptologist / Self - German Archaeological Institute (2 episodes, 2010-2020)
Self - Brown University / Self - Professor Emeritus, Brown University (2 episodes, 2013-2019)
Self / Self - Humboldt University, Berlin (2 episodes, 2017-2024)
Self - Deputy PI, Lunar Reconnaissance Orbiter Camera / Self - Geologist, Messenger (2 episodes, 2019)
Self - Flight Director / Self - Planetary Resources (2 episodes, 2005-2013)
Self / Self - Princeton University (2 episodes, 2011-2018)
Self - British Museum / Self - Philologist and Assyriologist (2 episodes, 2015-2020)
Self / Self - University of Redlands (2 episodes, 2017-2024)
Self / Self - Rutgers University (2 episodes, 2017-2023)
Self - Chief Engineer, Cassini / Self - Spacecraft Operations Team Member, NASA's Jet Propulsion Laboratory (2 episodes, 2017-2019)
Self - Maritime Archaeologist / Self - Underwater Archaeologist (2 episodes, 2010-2019)
Self - Historian / Self - White Star Line Historian (2 episodes, 1997-2012)
William Bakewell (2 episodes, 1998-2002)
Self / Self - University of California, Los Angeles, Galactic Center Group (2 episodes, 2006-2018)
Self - Aviation Consultant / Self - Director of Musée de l'Air et de l'Espace (2 episodes, 2006)
Self / Self - University of North Carolina - Chapel Hill (2 episodes, 2008-2019)
Self - Stanford University (2 episodes, 2008-2018)
Self - Harvard University (2 episodes, 2009-2019)
Self - Deputy Project Scientist, Mars Science Laboratory / Self - Project Scientist, Curiosity (2 episodes, 2012-2019)
Self - National Air and Space Museum / Self - Smithsonian National Air and Space Museum (2 episodes, 2019)
Self - Entry, Descent and Landing Mechanical System Lead / Self - Landing Systems Engineer, Jet Propulsion Laboratory (2 episodes, 2004-2012)
Self / Self - Archaeologist (2 episodes, 2012-2016)
Self - Texas Tech University (2 episodes, 2012-2013)
Self / Self - German Military Historian (2 episodes, 2014-2015)
Self - Mountaineer (2 episodes, 2018-2020)
Self / Self - Astronomy & Space Sciences, Cornell (3 episodes, 1978-2019)
Self - University of Colorado (2 episodes, 2012-2013)
Self / Self - Car Enthusiast (2 episodes, 2011-2017)
Self / Self - Cornell University (2 episodes, 2012-2016)
Self / Self - Washington University (2 episodes, 2016)
Self - Physicist, Imperial College London / Self - Principal Investigator, Cassini Magnetometer (2 episodes, 2017-2019)
Self - Chilean Antarctic Institute / Self - Director, Chilean Antarctic Institute (2 episodes, 2017-2020)
Self / Self - Texas Tech University (2 episodes, 2018-2023)
Self / Self - Head of the Shrine of the Book and Curator of the Dead Sea Scrolls (2 episodes, 2004-2019)
Self - Arizona State University (2 episodes, 2005-2012)
Historical Reenactment / Manson (2 episodes, 2005)
Self / Self - Apsáalooke (Crow) Educator (2 episodes, 2016-2018)
Self - Aerospace Writer / Self - Aviation Week (2 episodes, 2003-2013)
Self - University of Wisconsin-Eau Claire (2 episodes, 2004-2017)
Self - Rover Engineer / Self - Surface Sampling Lead, Mars Science Laboratory (2 episodes, 2004-2012)
Self - Mission Scientist Galileo / Self - Planetary Scientist, California Institute of Technology (2 episodes, 2017-2019)
Self - Oklahoma Tornado Survivor / Self - Oklahoma tornado survivor (2 episodes, 2012-2013)
Self / Self - Neurophysiologist, Harvard Medical School (2 episodes, 2006-2019)
Self / Self - University of Colorado (2 episodes, 2013-2018)
Self / Self - Marine Biologist (2 episodes, 2012-2014)
Translation voice / Translator (2 episodes, 2004-2012)
Self - Planetary Scientist, NASA's Ames Research Center / Self - Ring Scientist, Cassini (2 episodes, 2017-2019)
Gustav Wiik / Otto Hahn (2 episodes, 2005-2006)
Self / Self - Author, Growing a Revolution (2 episodes, 2018-2024)
Self - Narrator (2 episodes, 1975-1977)
Self (2 episodes, 1976-1981)
Self / Self - Harvard-Smithsonian Center for Astrophysics (2 episodes, 1981-2010)
Narrator (2 episodes, 1981-1983)
Self (2 episodes, 1985-2004)
Self / Self (former Surgeon General of the United States) (2 episodes, 1989-2001)
Narrator / Self (narrator) (2 episodes, 1993)
Son (2 episodes, 1995-2022)
(2 episodes, 1998)
Self (2 episodes, 2000-2015)
Self (2 episodes, 2000-2010)
Self / Self - Chemical Engineer, MIT (2 episodes, 2001-2011)
Self - Epigrapher, University of Texas at Austin / Self - Harvard University (2 episodes, 2001-2008)
Self - Archeologist, Harvard University / Self - Harvard University (2 episodes, 2001-2008)
Self (2 episodes, 2001)
Translator (2 episodes, 2003-2004)
Self - Narrator (2 episodes, 2004-2005)
Self - Mars Program Chief Engineer, Jet Propulsion Lab / Self - Scientist, Mars Program, Jet Propulsion Laboratory (2 episodes, 2004-2005)
Self - MER Project Manager / Self - Mars Exploration Rovers Project Manager, Jet Propulsion Laboratory (2 episodes, 2004-2005)
Self / Self - Entry, Descent and Landing Systems Engineer, MER (2 episodes, 2004-2005)
Self - Engineer / Self - Rover Engineer (2 episodes, 2004-2005)
Self - Deputy Mission Manager, MER / Self - MER Mission Manager (2 episodes, 2004-2005)
Self / Self - Massachusetts Institute of Technology (2 episodes, 2005-2011)
Self - University College London / Self - Volcanologist (2 episodes, 2005-2011)
Self / Self - Pacific Tsunami Warning Center (2 episodes, 2005-2011)
Self - NASA Administrator / Self - Nasa Administrator (2 episodes, 2005-2008)
Self - Honeybee Robotics / Self - Participant (2 episodes, 2005-2008)
Self - Author / Self - University of California, Davis (2 episodes, 2005-2008)
Co-Pilot Robert Bragg (2 episodes, 2006-2022)
Self (2 episodes, 2006-2015)
Self / Self - Museum Victoria (2 episodes, 2007-2013)
Self (2 episodes, 2007-2013)
Self (2 episodes, 2008-2023)
Self / Self - Participant (2 episodes, 2008-2021)
Self - Apollo 17 Lunar Module Pilot / Self - Astronaut (2 episodes, 2008-2019)
Self - Harvard Divinity School / Self - Stonehill College (2 episodes, 2008-2015)
Self - Hebrew Union College / Self - Hebrew Union College - Jerusalem (2 episodes, 2008-2015)
Self / Self - Tel Aviv University (2 episodes, 2008-2010)
Self - NASA Administrator, Retired / Self - Nasa Administrator (2 episodes, 2008-2009)
James Dewar (2 episodes, 2008)
Self - University of Toronto (2 episodes, 2008)
Self - Author - 'Absolute Zero' / Self - Author, 'Absolute Zero' (2 episodes, 2008)
Henk Van Rooyen (2 episodes, 2008)
Marinus Smit (2 episodes, 2008)
Narrator / Self / Self - Narrator (2 episodes, 2009-2021)
Self / Self - University of Bergen (2 episodes, 2009-2016)
Self / Self - University of Tübingen (2 episodes, 2009-2016)
Self / Self - National Geographic Explorer-in-Residence (2 episodes, 2009-2016)
Self / Self - Institute of Human Origins (2 episodes, 2009-2016)
Self / Self - NASA Astronaut (2 episodes, 2009-2015)
Self / Self - Author, 'The Shadow Factory' (2 episodes, 2009-2015)
Self / Self - California Academy of Sciences (2 episodes, 2009-2015)
Self / Self - The George Washington University (2 episodes, 2009-2015)
Self / Self - United States Secretary of Energy (2 episodes, 2009-2011)
Self / Self - University of California, Berkeley (2 episodes, 2009-2011)
Self - Stony Brook University (2 episodes, 2009)
Self - Max Planck Institute (2 episodes, 2009)
Self - Former Project Scientist, Cassini / Self - Senior Research Scientist (2 episodes, 2010-2019)
Self (2 episodes, 2010-2017)
Self / Self - Researcher (2 episodes, 2010-2015)
Self / Self - Clyde Tombaugh's Daughter (2 episodes, 2010-2015)
Self - Maritime Archaeologist (2 episodes, 2010-2015)
Self / Self - Planetary Science Institute (2 episodes, 2010-2015)
Self (2 episodes, 2010-2013)
(2 episodes, 2010)
Self / Self - Director: Carnegie Institution Observatories (2 episodes, 2010)
Self / Self - Director, Museum of the History of Science (2 episodes, 2010)
Self / Self - Astrophysicist (2 episodes, 2010)
Self / Self - Professor: University of Chicago (2 episodes, 2010)
Self - Astronomer at Southwest Research Institute / Self - Deputy Project Scientist, New Horizons (2 episodes, 2011-2019)
Self (2 episodes, 2011-2017)
Expert / Self - Inst. for Mummies and the Iceman (2 episodes, 2011-2016)
Self - Seismologist - University of Colorado (2 episodes, 2011-2016)
Self (2 episodes, 2011-2016)
Self (3 episodes, 2011-2021)
Actor (2 episodes, 2011-2015)
Self (2 episodes, 2011-2015)
Self / Self - UC Berkeley (2 episodes, 2011)
Self (2 episodes, 2011)
Self / Self - Univ. Corp. for Atmospheric Research (2 episodes, 2012-2013)
Self (2 episodes, 2013-2024)
Self (2 episodes, 2013-2016)
Self (2 episodes, 2013)
Self / Self - Space Flight Historian (2 episodes, 2014-2019)
Self (2 episodes, 2014-2016)
Self (2 episodes, 2014-2015)
Self (2 episodes, 2014)
Self / Self - Encounter Mission Manager, New Horizons Mission (2 episodes, 2015-2019)
Self / Self - Planetary Scientist, New Horizons Mission (2 episodes, 2015-2019)
Self / Self - Mission Operations Manager, New Horizons Mission (2 episodes, 2015-2019)
Self (2 episodes, 2015-2017)
(2 episodes, 2015)
Self / Self - Digital Forensic Expert (2 episodes, 2016-2022)
Self (2 episodes, 2016-2018)
Self (2 episodes, 2016)
Self - Narrator (2 episodes, 2018)
Self (2 episodes, 2018)
Self - Planetary Scientist, New Horizons Mission / Self - Planetary Scientist, Southwest Research Institute (2 episodes, 2019-2024)
Self - Sprecher / Speaker (2 episodes, 2019-2021)
Self - Planetary Astrophysicist California Institute of Technology / Self - Planetary Astrophysicist, Caltech (2 episodes, 2019)
Self - Professor of Astrophysical and Planetary Sciences University of Colorado (2 episodes, 2019)
Self - Lamont-Doherty Earth Observatory, Columbia University / Self - Paleoclimatologist (2 episodes, 2020-2024)
Self - Sprecher (2 episodes, 2020-2022)
Self - Sprecher / Speaker (2 episodes, 2020-2021)
Self (2 episodes, 2021-2024)
Narrator / Self / Self - narrator (2 episodes, 2021-2023)
Narrator / Self (2 episodes, 2021-2022)
Self - Sprecher (2 episodes, 2021-2022)
Self - Sprecher / Speaker (2 episodes, 2021-2022)
Self / Narrator / narrator (2 episodes, 2021)
Self / Self - Associate Administrator, Science Mission Directorate at NASA (2 episodes, 2022-2023)
Self / Self - Lead Mission Systems Engineer, JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Project Scientist, JWST, ESA STScI (2 episodes, 2022-2023)
STScI / Self / Self - NIRSpec Instrument Scientist, JWST, ESA (2 episodes, 2022-2023)
Self / Self - Astrophysicist, JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Astrophysicist, Cosmos Web Survey, Rochester Institute of Technology (2 episodes, 2022-2023)
Self / Self - Optical Telescope Element Mgr., JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Astronomer, Cosmos Web Survey, The University of Texas at Austin (2 episodes, 2022-2023)
Self - Sprecher (2 episodes, 2022)
Peter Girguis (2 episodes, 2023)
Self (2 episodes, 2023)
Self (2 episodes, 2024)
Self - Narrator (1 episode, 1976)
Self (1 episode, 1980)
Self - Narrator (1 episode, 1981)
Geoffrey Perry (1 episode, 1989)
Self - Narrator (1 episode, 1990)
Self - Narrator (1 episode, 1993)
Narrator (1 episode, 1996)
Expedition Leader (1 episode, 1998)
Narrator (1 episode, 2000)
Charles Darwin (1 episode, 2009)
Self - Narrator (1 episode, 2012)
Self - Astronomer (1 episode, 2013)
Self - Narrator (1 episode, 2014)
Self - Narrator (1 episode, 2016)
Narrator (1 episode, 2016)
Self - Genentech (1 episode, 2016)
Self - Narrator (1 episode, 2018)
Self - Biophysicist, MIT Media Lab (1 episode, 2020)
Self (1 episode, 2022)
Self - Host (1 episode, 2024)
Self - Narrator (1 episode, 2024)
Derek Slater (1 episode, 1989)
Self - Abductee (1 episode, 1996)
Self - Expedition Leader (1 episode, 1996)
Narrator (1 episode, 1998)
Self (1 episode, 1999)
Self - Man with Blindsight (1 episode, 2001)
Sir Ernest Shackleton (1 episode, 2002)
Albert Einstein (1 episode, 2005)
Self - Author of Wings of Madness (1 episode, 2006)
Emma Darwin (1 episode, 2009)
Self - Knome, Inc. (1 episode, 2012)
Self - Reconnaissance Pilot (1 episode, 2012)
Self - Art Collector (1 episode, 2012)
Self - Refinery Supervisor, Barrick Gold Corporation (1 episode, 2012)
Self - Georgia State University (1 episode, 2012)
Self - Joplin Tornado Survivor (1 episode, 2012)
Self - Jet Propulsion Laboratory Spokesperson (1 episode, 2012)
Self - Maritime Attorney (1 episode, 2012)
Self - Conjoined Twin (1 episode, 2012)
Self - Yellowstone National Park (1 episode, 2012)
Self - Boston Police Department (1 episode, 2013)
Self - Director, World Trade Center Construction, Port Authority of New York & New Jersey (1 episode, 2013)
Self - B612 Foundation (1 episode, 2013)
Self - Hobbyist (1 episode, 2013)
Self - Former FBI Special Agent (1 episode, 2013)
Self - MTA (1 episode, 2013)
Self - The Open University, U.K. (1 episode, 2013)
Self - Father of Andy Williams (1 episode, 2013)
Self - Mathematician (1 episode, 2013)
Self - United States Air Force (1 episode, 2013)
Self - Egyptologist (1 episode, 2013)
Self - Writer, Wired (1 episode, 2014)
Self - Sonar Team Director (1 episode, 2014)
Self - Quality Health Center (1 episode, 2014)
Self - Archaeologist (1 episode, 2016)
Self - Icahn School of Medicine, Mt. Sinai, Geneticist (1 episode, 2016)
Self - New York University (1 episode, 2016)
Self - Novarka (1 episode, 2016)
Self - Nassau Department of Meteorology (1 episode, 2017)
Self - Lead Scientist, Cassini Radio Science Team (1 episode, 2017)
Self - UCL Institute of Archaeology (1 episode, 2017)
Self - Institut de Physique du Globe de Paris (1 episode, 2017)
Self - The Wallace Collection, London (1 episode, 2017)
Self - Flint Resident (1 episode, 2017)
Self - University of Montana (1 episode, 2017)
Self - University of Arizona (1 episode, 2017)
Self - Williams College (1 episode, 2017)
Self - American Museum of Natural History (1 episode, 2017)
Self - LG Chem Power, Inc. (1 episode, 2017)
Self - Cave Diver & National Geographic Grantee (1 episode, 2018)
Self - Caving and Expedition Leader (1 episode, 2018)
Self - Massachusetts Institute of Technology (1 episode, 2018)
Self - Meteorologist (1 episode, 2018)
Self - United States Coast Guard (1 episode, 2018)
Voice of Jordanian Woman (1 episode, 2019)
Self (1 episode, 2019)
Self - San Francisco Society for the Prevention of Cruelty to Animals (1 episode, 2020)
Self - Egyptologist (1 episode, 2020)
Self - Author 'Second Ascent: The Story of Hugh Herr' (1 episode, 2020)
Self - Neurobiologist, Northwestern University (1 episode, 2020)
Self - University of Oxford (1 episode, 2021)
Self, archaeologist (1 episode, 2022)
Self - Jason's Brother (1 episode, 2022)
Jean Perry (1 episode, 1989)
Self - Chief Engineer (1 episode, 1996)
Self - Victim of Phantom Limb Syndrome (1 episode, 2001)
George Marston / Thomas Orde-Lees (1 episode, 2002)
Mileva Maric (1 episode, 2005)
Sir Charles Lyell (1 episode, 2009)
Self - Director, NIH (1 episode, 2012)
Self - Pennsylvania State University (1 episode, 2012)
Self - Royal Air Force Wing Commander, Retired (1 episode, 2012)
Self - Landing Radar Field Test Lead, Mars Science Laboratory (1 episode, 2012)
Self - Stevens Institute of Technology (1 episode, 2012)
Self - The Ames Laboratory (1 episode, 2012)
Self - University of Stockholm (1 episode, 2012)
Self - Dam Designer (1 episode, 2012)
Self - University of Leicester (1 episode, 2012)
Self - University of Michigan (1 episode, 2012)
Self - Archaeologist (1 episode, 2012)
Self - Kentucky Senator (1 episode, 2013)
Self - New York University (1 episode, 2013)
Self - University of Victoria (1 episode, 2013)
Self - Professor Emeritus, University of Wisconsin (1 episode, 2013)
Self - Firearms Expert (1 episode, 2013)
Self - Massachusetts Institute of Technology (1 episode, 2013)
Self - Coin Expert (1 episode, 2013)
Self - Spree Shooter (1 episode, 2013)
Self - Author, Kidnapped (1 episode, 2013)
Self - FLIR Systems, Inc. (1 episode, 2013)
Self - Managing Partner, Skidmore, Owings & Merrill, LLP (1 episode, 2013)
Self - New York City Department of Health and Mental Hygiene (1 episode, 2014)
Self - Chief Historian, U.S.Navy (1 episode, 2014)
Self - Crane System Manager (1 episode, 2016)
Self - Military Historian (1 episode, 2016)
Self - University College London, Geneticist (1 episode, 2016)
Self - University of Washington (1 episode, 2017)
Self - University of Edinburgh (1 episode, 2017)
Self - International Association for Caribbean Archaeology (1 episode, 2017)
Self - New Mexico Bureau of Geology & Mineral Resources (1 episode, 2017)
Self - NCAR High Altitude Observatory (1 episode, 2017)
Self - Son of Ponar Survivor (1 episode, 2017)
Self - University of California, Berkeley (1 episode, 2017)
Self - Ranch Owner (1 episode, 2017)
Self - Middlebury College (1 episode, 2018)
Self - Specialist Diver (1 episode, 2018)
Self - Harvard University (1 episode, 2018)
Self - Head of Ground Operation (1 episode, 2018)
Self - Cave Diver (1 episode, 2018)
Self - Art Historian (1 episode, 2019)
Self - Historian (1 episode, 2020)
Self - Hugh's Former Climbing Partner (1 episode, 2020)
Self (1 episode, 2020)
Self - Assistant Professor of Biology, Southern Illinois University Edwardsville (1 episode, 2020)
Self - Neuroscientist, UCLA (1 episode, 2020)
Self - University of Oxford (1 episode, 2020)
Self, ethnomusicologist (1 episode, 2022)
Self - Jason's Mother (1 episode, 2022)
Mrs. Sinnett (1 episode, 1989)
Self - Author, Missing Time & Intruders (1 episode, 1996)
Self - Kee Bird Copilot (1 episode, 1996)
Self - Epileptic (1 episode, 2001)
Frank Worsley / Lionel Greenstreet (1 episode, 2002)
Michael Faraday (1 episode, 2005)
Self - Launcher Designer (1 episode, 2012)
Self - Accused Murderer (1 episode, 2012)
Self - Maritime Simulation Institute (1 episode, 2012)
Self - Denver Museum of Nature & Science (1 episode, 2012)
Self - Gatorade Sports Science Institute (1 episode, 2012)
Self - Senior C.I.A. Analyst, Retired (1 episode, 2012)
Self - Noah and Alexis Beery's Father (1 episode, 2012)
Self - Children First Foundation (1 episode, 2012)
Self - Broad Channel, NY (1 episode, 2013)
Self - University of California (1 episode, 2013)
Self - Remotely Piloted Aircraft Pilot, Captain, United States Air Force (1 episode, 2013)
Self - Archaelogist (1 episode, 2013)
Self - Architect, Skidmore, Owings & Merrill, LLP (1 episode, 2013)
Self - Private Investigator (1 episode, 2013)
Self - Carnegie Mellon University (1 episode, 2013)
Self - North Carolina Chief Medical Examiner (1 episode, 2013)
Self - Autism Science Foundation (1 episode, 2014)
Self - Author and Military Historian (1 episode, 2014)
Self - London South Bank University (1 episode, 2016)
Self - Cladding Site Engineer (1 episode, 2016)
Self - Military Expert (1 episode, 2016)
Self - Genentech, Medical Director (1 episode, 2016)
Self - WorleyParsons (1 episode, 2017)
Self - Former Mayor of Flint, 2009-2015 (1 episode, 2017)
Self - Hubei Provincial Museum (1 episode, 2017)
Self - Cornell University (1 episode, 2017)
Self - Planetary Scientist, Paris Observatory (1 episode, 2017)
Self - University of Iceland (1 episode, 2017)
Self - Princeton University (1 episode, 2017)
Self - New Mexico Museum of Natural History & Science (1 episode, 2017)
Self - Museum of London Archaeology (1 episode, 2017)
Self - University of Glasgow (1 episode, 2018)
Self - Co-Director, Hoyo Negro Project (1 episode, 2018)
Self - Monterey Bay Aquarium Research Institute (1 episode, 2018)
Self - Major, U.S. Air Force (1 episode, 2018)
Self - Lead Mission Engineer (1 episode, 2018)
Self - Ancient Egypt Research Associates (1 episode, 2019)
Self - Surgeon, Brigham Health (1 episode, 2020)
Self - Paleontologist, Museum voor Natuurwetenschappen van België (1 episode, 2020)
Self - Nottingham Trent University (1 episode, 2020)
Self - Neurobiologist, UCLA (1 episode, 2020)
Self - Jason's Father (1 episode, 2022)
David Sinnett (1 episode, 1989)
Self - Kee Bird Astro Navigator (1 episode, 1996)
Self - Victim of Capgras Delusion (1 episode, 2001)
Frank Wild (1 episode, 2002)
Brande (1 episode, 2005)
Self - Aviation Historian (1 episode, 2006)
Elizabeth Wedgwood (1 episode, 2009)
Self - Buffalo Airways (1 episode, 2012)
Self - 23andMe, Inc. Client (1 episode, 2012)
Self - Stanford University (1 episode, 2012)
Self - Art Specialist (1 episode, 2012)
Self - Historian, King's College London (1 episode, 2012)
Self - Independent Forensic Scientist (1 episode, 2012)
Self - Director of Neurosurgery (1 episode, 2012)
Self - Artisan (1 episode, 2012)
Self - House Committee on Assassinations (1 episode, 2013)
Self - New Mexico Institute of Mining and Technology (1 episode, 2013)
Self - Vice President of Construction, National September 11 Memorial & Museum (1 episode, 2013)
Self - Archivist, New Jersey State Police (1 episode, 2013)
Self - University of New Orleans (1 episode, 2013)
Self - United States Air Force Academy (1 episode, 2013)
Self - Historian of Ancient Astronomy (1 episode, 2013)
Self - United States Air Force, Air National Guard (1 episode, 2013)
Self - Historian, U.S. Army Major (Ret.) (1 episode, 2014)
Self - Mother (1 episode, 2014)
Self - Sophos (1 episode, 2014)
Self - Institute for Advanced Study (1 episode, 2015)
Self - Historical Researcher (1 episode, 2016)
Self - Columbia University (1 episode, 2016)
Self - Massachusetts General Hospital (1 episode, 2016)
Self - Deputy Construction Manager (1 episode, 2016)
Self - University of Cambridge (1 episode, 2017)
Self - Space Telescope Science Institute (1 episode, 2017)
Self - The University of Sydney (1 episode, 2017)
Self - University of Hartford (1 episode, 2017)
Self - Montana Tech (1 episode, 2017)
Self - Chief Executive Officer, Ionic Materials (1 episode, 2017)
Self - The Royal Armouries, UK (1 episode, 2017)
Self - Natural History Museum of Utah (1 episode, 2017)
Self - Flint Emergency Manager 2013-2015 (1 episode, 2017)
Self - The Guardian, United States Edition (1 episode, 2018)
Self - Sergeant, U.S. Air Force (1 episode, 2018)
Self - Artistic Impersonator, 'Leonardo Da Vinci' (1 episode, 2019)
Self - California Institute of Technology (1 episode, 2019)
Self - Instrument Scientist, Messenger (1 episode, 2019)
Self - Ph.D. Candidate, MIT Media labs (1 episode, 2020)
Self - Parchment and Vellum Maker (1 episode, 2020)
Self - University of Missouri (1 episode, 2020)
Self - University of Surrey (1 episode, 2021)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2021)
Self - University of California, Santa Cruz (1 episode, 2021)
Self - Jason's Aunt (Paternal) (1 episode, 2022)
Mike Sinnett (younger) (1 episode, 1989)
Self - Caribou Pilot (1 episode, 1996)
Self - Neuroscientist (1 episode, 2001)
Chippy McNeish (1 episode, 2002)
Chater (1 episode, 2005)
Parslow (1 episode, 2009)
Self - Mobility Lead, Mars Science Laboratory (1 episode, 2012)
Self - National Center for Atmospheric Research, High Altitude Observatory (1 episode, 2012)
Self - Historian, Angelo State University (1 episode, 2012)
Self - Industrial Designer (1 episode, 2012)
Self - Managing Director, CME Group (1 episode, 2012)
Self - Accused Bomber (1 episode, 2012)
Self - Director of Craniofacial Surger (1 episode, 2012)
Self - Artist & Historian of Forgery (1 episode, 2012)
Self - (United States Geological Survey (1 episode, 2012)
Self - University of Tokyo (1 episode, 2012)
Self - The Boston Globe (1 episode, 2013)
Self - Historian (1 episode, 2013)
Self - McGill University (1 episode, 2013)
Self - X-ray Engineer (1 episode, 2013)
Self - The Open University of Israel (1 episode, 2013)
Self - Horse and Chariot Expert (1 episode, 2013)
Self - Master Carpenter (1 episode, 2013)
Self - Board Member, National September 11 Memorial & Museum (1 episode, 2013)
Self - Canadian Resident of Chelyabinsk & Meteor Witness (1 episode, 2013)
Self - University of Barcelona - ICREA (1 episode, 2013)
Self - Lieutenant General, United States Air Force (1 episode, 2013)
Self - Lamont-Doherty Earth Observatory (1 episode, 2013)
Self - Cartographer and Marine Scientist (1 episode, 2014)
Self - UC Santa Barbara (1 episode, 2014)
Self - Children's Hospital of Philadelphia (1 episode, 2014)
Self - University of Pittsburgh (1 episode, 2015)
Self - Former Chief Engineer, Chernobyl Nuclear Power Plant (1 episode, 2016)
Self - Massachusetts Institute of Technology (1 episode, 2016)
Self - UC Santa Barbara, Alzheimer's Researcher (1 episode, 2016)
Self - Gonzaga University (1 episode, 2017)
Self - Cassini Program Manager, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - University of Paris (1 episode, 2017)
Self - U.S. Geological Survey (1 episode, 2017)
Self - Art Institute of Chicago (1 episode, 2017)
Self - University of California, San Diego (1 episode, 2017)
Self - Climate Historian (1 episode, 2017)
Self - University of Veterinary Medicine, Vienna (1 episode, 2017)
Self - Cave Paleontologist (1 episode, 2018)
Self - Carnegie Institution for Science (1 episode, 2018)
Self - Giza Plateau Mapping Project (1 episode, 2019)
Self - Yale University (1 episode, 2019)
Self - Artistic Impersonator, 'Mona Lisa' (1 episode, 2019)
Self - Librarian, Openbare Bibliotheek Brugge (1 episode, 2020)
Self - International Cat Care (1 episode, 2020)
Self - Sleep Investigator, Tel Aviv University (1 episode, 2020)
Self - University of Bristol (1 episode, 2021)
Self - The Open University (1 episode, 2021)
Self - Imperial College London (1 episode, 2021)
Self - University of Cambridge (1 episode, 2021)
self, founder of the Centre for Traditional Textiles of Cusco (1 episode, 2022)
Self - Jason's Cousin (1 episode, 2022)
Self - Vintage Aircraft Engineer (1 episode, 1996)
Alexander Macklin / James Wordie (1 episode, 2002)
Humphry Davy (1 episode, 2005)
Self - Aviation Enthusiast (1 episode, 2006)
Dr. Engleheart (1 episode, 2009)
Self - Australian Youth Ambassador (1 episode, 2012)
Self - Dam Contractor (1 episode, 2012)
Self - Special Agent, FBI (1 episode, 2012)
Self - Author, Biophysicist (1 episode, 2012)
Self - National Historical Museum, Sweden (1 episode, 2012)
Self - Miner, Barrick Gold Corporation (1 episode, 2012)
Self - University College London (1 episode, 2012)
Self - Design Engineer (1 episode, 2012)
Self - Retired Secret Service Agent (1 episode, 2013)
Self - Humans and Automation Lab, MIT (1 episode, 2013)
Self - Carpenter (1 episode, 2013)
Self - Japanese Astronaut (1 episode, 2013)
Self - University of Kent (1 episode, 2013)
Self - Watertown Resident (1 episode, 2013)
Self - Chief Executive Officer and President, National September 11 Memorial & Museum (1 episode, 2013)
Self - Mechanical Engineer (1 episode, 2013)
Self - Naval Historian (1 episode, 2014)
Self - University of Oklahoma (1 episode, 2014)
Self - University of Antioquia, Neurologist (1 episode, 2016)
Self - Chernobyl Shelter Fund (1 episode, 2016)
Self - UC Berkeley (1 episode, 2016)
Self - Yale University (1 episode, 2017)
Self - Montana Conservation Science Institute (1 episode, 2017)
Self - Imperial College London (1 episode, 2017)
Self - Desert Research Institute (1 episode, 2017)
Self - Chief Executive Officer, PolyPlus Battery Company (1 episode, 2017)
Self - University of Strasbourg (1 episode, 2017)
Self - Woods Hole Oceanographic Institution (1 episode, 2017)
Self - Archaeologist (Perishable Artifacts Expert) (1 episode, 2018)
Self - University of Arizona (1 episode, 2018)
Self - Mission Director (1 episode, 2018)
Self - Gallaudet University (1 episode, 2018)
Self - Friend of Player's Father (1 episode, 2018)
Self - Tel Aviv University (1 episode, 2019)
Self - Deputy Lead, Messenger (1 episode, 2019)
Self - Art Historian and Conservation Expert, Musée du Louvre (1 episode, 2019)
Self - Neuroscientist (1 episode, 2020)
Self - Federal Research Center Institute of Cytology and Genetics, Russia (1 episode, 2020)
Self - Calligrapher (1 episode, 2020)
Self - Hugh's Friend and Climbing Partner (1 episode, 2020)
Self - Jason's Aunt (Maternal) (1 episode, 2022)
Frank Hurley (1 episode, 2002)
Newman (1 episode, 2005)
Self - Daughter of Alan Calassa (1 episode, 2006)
Postman (1 episode, 2009)
Self - ArcelorMittal (1 episode, 2012)
Self - Lockheed Martin (1 episode, 2012)
Self - Philanthropist (1 episode, 2012)
Self - Mission Manager, Mars Science Laboratory (1 episode, 2012)
Self - Retired Sheriff's Investigator (1 episode, 2012)
Self - Laboratory Supervisor, Barrick Gold Corporation (1 episode, 2012)
Self - Concrete Specialist (1 episode, 2012)
Self - Photo Interpreter, Royal Air Force, Medmenham (1 episode, 2012)
Self - Gunnery Expert (1 episode, 2012)
Self - Journalist (1 episode, 2012)
Self - Scientist (1 episode, 2012)
Self - Los Alamos National Laboratory (1 episode, 2013)
Self - Architecture Critic, The New Yorker (1 episode, 2013)
Self - Marquette University (1 episode, 2013)
Self - Senior Archaeologist (1 episode, 2013)
Self - University of Western Ontario (1 episode, 2013)
Self - Harvard Medical School (1 episode, 2013)
Self - Fort Lewis College (1 episode, 2013)
Self - University of Buffalo (1 episode, 2013)
Self - Translator (1 episode, 2013)
Self - Leiden University (1 episode, 2013)
Self - Rallypoint (1 episode, 2013)
Self - Lieutenant, Royal Navy (1 episode, 2014)
Self - University of Michigan (1 episode, 2014)
Self - SRI International (1 episode, 2014)
Self - Chernobyl Survivor (1 episode, 2016)
Self - Irish Guards (1 episode, 2016)
Self - University of Antioquia, Psychologist (1 episode, 2016)
Self - Chins Scholar (1 episode, 2017)
Self - National Center for Atmospheric Research (1 episode, 2017)
Self - Daughter of Ponar Survivor (1 episode, 2017)
Self - University of Michigan (1 episode, 2017)
Self - Weather Underground (1 episode, 2017)
Self - Aerospace Engineer, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - Head of Energy & Propulsion (1 episode, 2018)
Self - Williams College (1 episode, 2018)
Self - Scripps Institution of Oceanography (1 episode, 2018)
Self - Governor of Chiang Rai Province (1 episode, 2018)
Self - Maya Civilization Anthropologist (1 episode, 2018)
Self - Art Historian, University of St Andrews (1 episode, 2019)
Self - Scientist, Cassini-Huygens (1 episode, 2019)
Self - Stanford University (1 episode, 2019)
Self - Veterinarian (1 episode, 2020)
Self - Neuroscientist, UC Berkeley (1 episode, 2020)
Self - Publisher (1 episode, 2020)
Self - Archaeozoologist, Muséum national d'Histoire naturelle (1 episode, 2020)
Self - Jim's Wife (1 episode, 2020)
Self - University College London (1 episode, 2021)
self, archaeologist, San Marcos National University (1 episode, 2022)
Self - Oxford University (1 episode, 2001)
Hermann Einstein (1 episode, 2005)
Alfred Wallace (1 episode, 2009)
Self - New York State Police Medicolegal Investigation Unit (1 episode, 2012)
Self - (Explosives Engineer (1 episode, 2012)
Self - Art Historian (1 episode, 2012)
Self - Norwegian University of Science and Technology (1 episode, 2012)
Self - University of Palermo (1 episode, 2012)
Self - Pollen Analyst (1 episode, 2012)
Self - Intelligence Corps Officer, Retired (1 episode, 2012)
Self - NASA's Goddard Space Flight Center (1 episode, 2012)
Self - Director, National Ignition Facility (1 episode, 2012)
Self - Craniofacial Surgeon (1 episode, 2012)
Self - Mother of Andrew Schmitz (1 episode, 2012)
Self - Journalist (1 episode, 2013)
Self - Hokkaido University (1 episode, 2013)
Self - Historian of Babylonian Astronomy (1 episode, 2013)
Self - Barbizon Lighting Company (1 episode, 2013)
Self - Brookings Institution (1 episode, 2013)
Self - Rutgers University (1 episode, 2013)
Self - Forecaster, Met Office UK (1 episode, 2014)
Self - Banner Alzheimer's Institute (1 episode, 2016)
Self - Radiation Protection Engineer at Novarka (1 episode, 2016)
Self - Memory Reconsolidation Study Subject (1 episode, 2016)
Self - University of Texas at Austin (1 episode, 2017)
Self - Centre for Volcanology and Geological Hazard Mitigation (1 episode, 2017)
Self - Chariot Expert (1 episode, 2017)
Self - Greater Cincinnati Water Works (1 episode, 2017)
Self - Skidmore College (1 episode, 2017)
Self - Planetary Scientist, NASA's Goddard Institute (1 episode, 2017)
Self - Argonne National Laboratory (1 episode, 2017)
Self - Styrian Armory, Austria (1 episode, 2017)
Self - Professional Diver (1 episode, 2018)
Self - Oregon State University (1 episode, 2018)
Self - Co-Director and Principle Investigator, Hoyo Negro Project (1 episode, 2018)
Self - Head of Safety Review Board (1 episode, 2018)
Self - Art Radiologist (1 episode, 2019)
Self - Animal Behavior Scientist, Arizona State University (1 episode, 2020)
Self - Jim's Daughter (1 episode, 2020)
Self - University of Connecticut & Flatiron Institute (1 episode, 2021)
Self - Yale University (1 episode, 2021)
Self - Astrophysicist and Inspiration for the Mission (1 episode, 2021)
Self - Universit of British Columbia (1 episode, 2022)
Self - Psychiatry, Harvard Medical School (1 episode, 1996)
Self - Stroke Victim (1 episode, 2001)
Emily Shackleton (1 episode, 2002)
Proffesseur Fritz Muhlberg (1 episode, 2005)
Self - Historian and Aviator (1 episode, 2006)
William Fitzroy (1 episode, 2009)
Self - 617 Squadron Veteran (1 episode, 2012)
Self - Linköping University (1 episode, 2012)
Self - Université de Lausanne (1 episode, 2012)
Self - Commodities Trader (1 episode, 2012)
Self - California Maritime Academy (1 episode, 2012)
Self - Children's Hospital of Wisconsin (1 episode, 2012)
Self - Pierce County Emergency Management (1 episode, 2012)
Self - Princeton Plasma Physics Laboratory (1 episode, 2012)
Self - Deputy Executive Director, Port Authority of New York & New Jersey (1 episode, 2013)
Self - International Astronomical Union, Minor Planet Center (1 episode, 2013)
Self - Con Edison (1 episode, 2013)
Self - University of Colorado (1 episode, 2013)
Self - Johns Hopkins University (1 episode, 2013)
Self - Lieutenant Colonel, United States Air Force (1 episode, 2013)
Self - Laboratory of Meteoritics, Moscow (1 episode, 2013)
Self - Verizon (1 episode, 2014)
Self - King's College London (1 episode, 2015)
Self - Health and Safety Manager (1 episode, 2016)
Self - University of Amsterdam (1 episode, 2016)
Self - Butler Hospital (1 episode, 2016)
Self - Geological Museum Bandung (1 episode, 2017)
Self - Southwest Research Institute (1 episode, 2017)
Self - EPA Office of Research & Development (1 episode, 2017)
Self - Author, We Are Here (1 episode, 2017)
Self - Oracle Bone Expert (1 episode, 2017)
Self - Penn State (1 episode, 2017)
Self - The Philadelphia Museum of Art (1 episode, 2017)
Self - Lawrence Berkeley National Laboratory (1 episode, 2017)
Self - University of Wisconsin-Madison (1 episode, 2018)
Self - National Institute of Anthropology & History, Mexico (1 episode, 2018)
Self - Laser Interferometer Gravitational-Wave Observatory (1 episode, 2018)
Self - Lead Meteorologist (1 episode, 2018)
Self - Professional Caver (1 episode, 2018)
Self - University of Kentucky (1 episode, 2019)
Self - Historian of Science and Director of the Museo Galileo (1 episode, 2019)
Self - NASA in Silicon Valley (1 episode, 2019)
Self - Historian, University of Bristol (1 episode, 2020)
Self - Clive D.L. Wynne's Dog (1 episode, 2020)
Self - Clinical Psychologist, Penn Medicine (1 episode, 2020)
Self - Research Assistant, MIT Media labs (1 episode, 2020)
Self - Queen Mary University of London (1 episode, 2021)
Self - NYU Langone Health (1 episode, 2022)
Self, bioarchaeologist (1 episode, 2022)
Self - University of Wales (1 episode, 2001)
Roald Amundsen (1 episode, 2002)
Marie Anne Lavoisier (1 episode, 2005)
Self - Aviator (1 episode, 2006)
Frank Darwin (1 episode, 2009)
Self - Mission Planner, Mars Science Laboratory (1 episode, 2012)
Self - Director of Anesthesia (1 episode, 2012)
Self - Bell Maker, The Verdin Company (1 episode, 2012)
Self - U.S. Geological Survey (1 episode, 2012)
Self - Ruskin School of Drawing and Fine Art, Oxford University (1 episode, 2012)
Self - Wildlife Biologist (1 episode, 2012)
Self - Medical College of Wisconsin (1 episode, 2012)
Self - Senior National Secretary, Nautilus UK (1 episode, 2012)
Self - New York City Police Department (1 episode, 2013)
Self - Governor of New York State, 1995-2006 (1 episode, 2013)
Self - Forensic Pathologist (1 episode, 2013)
Self - Karem Aircraft, Inc. (1 episode, 2013)
Self - NASA Jet Propulsion Laboratory (1 episode, 2013)
Self - Scientist (1 episode, 2013)
Self - Royal Children's Hospital, Australia (1 episode, 2014)
Self - Yeoman, U.S. Navy (1 episode, 2014)
Self - Microsemi Corporation (1 episode, 2015)
Self - Engineer (1 episode, 2016)
Self - Biogen, Chief Medical Officer (1 episode, 2016)
Self - Huai'an Museum (1 episode, 2017)
Self - West Nusa Tenggara State Museum (1 episode, 2017)
Self - Vilna Survivor (1 episode, 2017)
Self - Joint Center for Energy Storage Research (1 episode, 2017)
Self - Armorer (1 episode, 2017)
Self - EPA Water Regulations Expert (1 episode, 2017)
Self - DOSECC Exploration Services, Operations (1 episode, 2017)
Self - Guidance and Control Engineer, NASA Jet Propulsion Laboratory (1 episode, 2017)
Self - NASA Goddard Space Flight Center (1 episode, 2017)
Self - Royal Thai Navy (1 episode, 2018)
Self - University of Florida (1 episode, 2018)
Self - Simulation Expert (1 episode, 2018)
Self - Veterinarian, West End Animal Wellness Center (1 episode, 2020)
Self - Philosopher of Science (1 episode, 2020)
Self - Physiological Psychologist, Penn Medicine (1 episode, 2020)
Self - Associate Professor, Konrad-Lorenz-Institut für Vergleichende Verhaltensforschung (1 episode, 2020)
Self - University of Portsmouth (1 episode, 2021)
Self - Physics, Harvard University (1 episode, 1996)
Count de Amerval (1 episode, 2005)
Young Santos-Dumont (1 episode, 2006)
Horace Darwin (1 episode, 2009)
Self - Interactive Institute (1 episode, 2012)
Self - Robotic Systems Engineer, Mars Science Laboratory (1 episode, 2012)
Self - Broad Institude of MIT and Harvard (1 episode, 2012)
Self - Photo Interpreter Royal Air Force, Medmenham (1 episode, 2012)
Self - Director, Mendeleev Museum (1 episode, 2012)
Self - President, Children First Foundation (1 episode, 2012)
Self - Costume Historian (1 episode, 2012)
Self - University of Michigan, Marine Hydrodynamics Laboratories (1 episode, 2012)
Self - Tornado Survivor (1 episode, 2012)
Self - Mayor of New York City, 2001-2013 (2 episodes, 2013)
Self - Urals Federal University (1 episode, 2013)
Self - Deputy Director, Tactical Technology Office, DARPA (1 episode, 2013)
Self - University of Murcia (1 episode, 2013)
Self - Verizon (1 episode, 2013)
Self - Glider pilot, U.S. Air Force (1 episode, 2014)
Self - London School of Hygiene & Tropical Medicine (1 episode, 2014)
Self - Chernobyl Liquidator (1 episode, 2016)
Self - Eli Lilly and Company (1 episode, 2016)
Self - Cincinnati Lead Study (1 episode, 2017)
Self - Nanjing Museum (1 episode, 2017)
Self - Expert Metal Maker (1 episode, 2017)
Self - Director, Event Horizon Telescope (1 episode, 2018)
Self - Groundwater Engineer (1 episode, 2018)
Self - Head of Airplane Development (1 episode, 2018)
Self - Leader, Underwater Camera Crew (1 episode, 2018)
Self - Director, National Weather Service (1 episode, 2018)
Self - University of Cambridge (1 episode, 2019)
Self - Art Teacher, Charles H. Cecil Studios (1 episode, 2019)
Self - Podcaster, 'Sleep With Me' (1 episode, 2020)
Self - Domesticated Wolf (1 episode, 2020)
Egyptian Priest (1 episode, 2020)
Self - Curator of Typographical and Technical Collections, Museum Plantin-Moretus (1 episode, 2020)
Self - Bioethicist (1 episode, 2020)
Self - LifeLine Animal Project (1 episode, 2020)
Self, scientist in engineering (1 episode, 2022)
Self - Possible Abductee (1 episode, 1996)
Baroness de la Garde (1 episode, 2005)
Alberto Santos-Dumont (1 episode, 2006)
Lenny Darwin (1 episode, 2009)
Self - Co-founder, 23andMe, Inc. (1 episode, 2012)
Self - Oceanos Survivor (1 episode, 2012)
Self - United States Air Force Intelligence, Retired (1 episode, 2012)
Self - Parachute Cognizant Engineer, Mars Science Laboratory (1 episode, 2012)
Self - Ordnance Technician (1 episode, 2012)
Self - Neurosurgeon (1 episode, 2012)
Self - Author, Far From the Tree (1 episode, 2013)
Self - Major, United States Air Force (1 episode, 2013)
Self - Engineer, Port Authority of New York & New Jersey (1 episode, 2013)
Self - Massachusetts State Police (1 episode, 2013)
Self - Technical Advisor, 3D Laser Scanning (1 episode, 2013)
Self - Colonel, U.S. Army (Ret.) (1 episode, 2014)
Self - University of Melbourne (1 episode, 2014)
Self - Memory Study Participant (1 episode, 2016)
Self - Site Manager (1 episode, 2016)
Self - Brigham and Women's Hospital (1 episode, 2016)
Self - Israeli Antiquities Authority (1 episode, 2017)
Reenactment Actor (1 episode, 2017)
Self - Virginia Tech (1 episode, 2017)
Self - Institut de Physique du Globe De Paris (1 episode, 2017)
Self - HP White Laboratory (1 episode, 2017)
Self - National Weather Service (1 episode, 2018)
Self - Conservator (1 episode, 2018)
Self - Lead Electrical Engineer (1 episode, 2018)
Self - Oxford University (1 episode, 2018)
Self - Mount Holyoke College (1 episode, 2019)
Self - Historian of Construction, Massachusetts Institute of Technology (1 episode, 2019)
Self - Librarian and Archivist of Lambeth Palace Library (1 episode, 2020)
Self - Coordinator for LifeLine Animal Project's Pets for Life Program (1 episode, 2020)
Self - Neuroscientist, Netherlands Institute for Neuroscience (1 episode, 2020)
Self - Senior Animal Trainer, Wolfsforschungszentrum (1 episode, 2020)
Self - Kepler Mission Principal Investigator (1 episode, 2021)
Self - University of British Columbia (1 episode, 2022)
self, environmental scientist, Royal Botanic Gardens (1 episode, 2022)
Marat (1 episode, 2005)
Henry Deitsch de la Meurthe (1 episode, 2006)
Etty Darwin (1 episode, 2009)
Self - Senior Research Chemist (1 episode, 2012)
Self - Physical Therapist (1 episode, 2012)
Self - Control Systems Manager, Mars Science Laboratory (1 episode, 2012)
Self - Inventor, Next Gen Sequencing (1 episode, 2012)
Self - Historian, Peenemünde Museum (1 episode, 2012)
Self - Aeronautics Engineer (1 episode, 2012)
Self - Ball Aerospace & Technologies Corp (1 episode, 2013)
Self - Columbia University (1 episode, 2013)
Self - Driver (1 episode, 2013)
Self - Delta Commission (1 episode, 2013)
Self - Atlantic Council (1 episode, 2013)
Self - Luke Philbin's Mother (1 episode, 2014)
Self - Author and Higgins Biographer (1 episode, 2014)
Self - Washington University (1 episode, 2016)
Self - University of Michigan Battery Lab (1 episode, 2017)
Self - Jewish Theological Seminary (1 episode, 2017)
Self - New York University (1 episode, 2018)
Self - Safety Review Board & Head of Flight Test (1 episode, 2018)
Self - Institute of Astronomy, University of Cambridge (1 episode, 2018)
Self - Alaskan Archaeologist (1 episode, 2018)
Self - Graduate Structural Engineer (1 episode, 2019)
Self - InmateAid Service Dog (1 episode, 2020)
Self - Founder of The Amazing Acro-Cats (1 episode, 2020)
self, archaeobotanist, University of Cambridge (1 episode, 2022)
Self - Chief of Occupational Medicine at NYU Lagone Hospital - Long Island (1 episode, 2022)
John Gould (1 episode, 2009)
Self - University of New Haven (1 episode, 2012)
Self - Brandeis University (1 episode, 2012)
Self - Mittelbau-Dora Inmate (1 episode, 2012)
Self - 617 Squadron Pilot (1 episode, 2012)
Self - The Hastings Center (1 episode, 2012)
Self - BAE Systems (1 episode, 2013)
Self - Miller (1 episode, 2013)
Self - Construction Worker (1 episode, 2013)
Self - Forensic Artist (1 episode, 2013)
Self - Underwater Archaeologist (1 episode, 2014)
Self - Luke Philbin's Father (1 episode, 2014)
Self - Jake Hausler's Mother (1 episode, 2016)
Self - Astrophysicist (1 episode, 2017)
Self - Planetary Scientist, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - Tesla Motors (1 episode, 2017)
Self - Former Michigan DEQ Spokesman (1 episode, 2017)
Self - Lithuanian Institute of History (1 episode, 2017)
Self - Weather Decision Technologies, Inc. (1 episode, 2018)
Self - Deputy Flight Director (1 episode, 2018)
Self - George Mason University (1 episode, 2018)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2018)
Self - University of Pennsylvania (1 episode, 2019)
Self - Construction Engineer (1 episode, 2019)
Self - Winn Feline Foundation (1 episode, 2020)
Self - CDCR Prison Inmate (1 episode, 2020)
Self - University of Amsterdam (1 episode, 2021)
Self - University of Hertfordshire (1 episode, 2021)
Self, biologist (1 episode, 2022)
Self - Psychology, University of Kentucky (1 episode, 1996)
Besso (1 episode, 2005)
Jane (1 episode, 2009)
Self - University of Greenwich (1 episode, 2012)
Self - Dartmouth College (1 episode, 2012)
Self - Head, Physical Conditioning, IMG (1 episode, 2012)
Self - Möhne Dam Bombing Witness (1 episode, 2012)
Self - Fayetteville, North Carolina Police Department, Homicide Unit (1 episode, 2012)
Self - Partner, Davis Brody Bond (1 episode, 2013)
Self - Center for Civic Media, Massachusetts Institute of Technology (1 episode, 2013)
Self - Forensic Anthropologist (1 episode, 2013)
Self - Deltion Innovations Ltd. (1 episode, 2013)
Self - Florey Institute of Neuroscience and Mental Health, University of Melbourne (1 episode, 2014)
Self - Curator, National WWII Museum (1 episode, 2014)
Self - Commissioning Engineer, Novarka (1 episode, 2016)
Self - Jake Hausler's Father (1 episode, 2016)
Self - Biogen (1 episode, 2016)
Self - University of Colorado, Boulder (1 episode, 2017)
Self - Aerospace Engineer, Sapienza University of Rome (1 episode, 2017)
Self - Sandia National Laboratories (1 episode, 2017)
Self - Hawaii Institute of Marine Biology (1 episode, 2018)
Self - Monmouth University Polling Institute (1 episode, 2018)
Self - National Optical Astronomy Observatory (1 episode, 2018)
Self - Chief Digital and Government Affairs (1 episode, 2018)
Self - Art Restorer (1 episode, 2019)
Self - Dog Trainer, Canine Companions for Independence (1 episode, 2020)
Maxwell (1 episode, 2005)
John Bennett (1 episode, 2009)
MGH / Self - Broad Institute (1 episode, 2012)
Self - Microbial Biologist (1 episode, 2012)
Self - North Carolina State University (1 episode, 2012)
Self - Mendota Mental Health Institute (1 episode, 2013)
Self - VU University Amsterdam (1 episode, 2013)
Self - Director of Design, 9-11 Memorial (1 episode, 2013)
Self - Wound Ballistics Researcher (1 episode, 2013)
Self - Corpsman, U.S. Navy, LST 523 (1 episode, 2014)
Self - Polio Patient (1 episode, 2014)
Self - Mammoet (1 episode, 2016)
Self - Genentech, Neurobiologist (1 episode, 2016)
Self - University of California, Irvine (1 episode, 2016)
Self - Duquesne University (1 episode, 2017)
Self - Edelman Fossil Park of Rowan University (1 episode, 2017)
Self - Former EPA Water Engineer (1 episode, 2017)
Self - FiveThirtyEight (1 episode, 2018)
Self - André Borschberg's Wife (1 episode, 2018)
Self - Asner Lab (1 episode, 2018)
Self - Painter (1 episode, 2019)
Self - Vanderbilt University (1 episode, 2019)
Self - California Department of Corrections and Rehabilitation (1 episode, 2020)
Self - Neurologist, Northwestern University (1 episode, 2020)
Self - Neuroscientist (1 episode, 1996)
Emilie du Châtelet (1 episode, 2005)
Self - Chief Technology Officer, Corning Inc. (1 episode, 2012)
Harvard Med. / Self - Brigham and Women's (1 episode, 2012)
Self - Principal, Joplin High School (1 episode, 2012)
Self - Chester County Pennsylvania, Department of Emergency Services (1 episode, 2013)
Self - Director, National September 11 Memorial & Museum (1 episode, 2013)
Self - Mendota Juvenile Treatment Center (1 episode, 2013)
Self - CH2M Hill (1 episode, 2013)
Self - SHARK, Animal Abuse Investigator (1 episode, 2013)
Self - Hydrographic Surveyor (1 episode, 2014)
Self - Father of Polio Patient (1 episode, 2014)
Self - Alzheimer's Patient (1 episode, 2016)
Self - General Methods Coordinator (1 episode, 2016)
Self - Rider University (1 episode, 2017)
Self - Vilna Gaon Jewish State Museum (1 episode, 2017)
Self - Executive Vice President, Baseball Operations, Oakland Athletics (1 episode, 2018)
Self - Safety Review Board (1 episode, 2018)
Self - University of Washington (1 episode, 2018)
Self - Colby College (1 episode, 2018)
Self - University of Newcastle (1 episode, 2019)
Self - Assistant Professor, Boston University School of Medicine (1 episode, 2019)
Self - Psychologist (1 episode, 1996)
Charles de Breteuil (1 episode, 2005)
Reverend Innes (1 episode, 2009)
Self - Author, The $1,000 Genome (1 episode, 2012)
Self - Arizona State University (1 episode, 2012)
Self - Chief Technology Officer, Molycorp Inc. (1 episode, 2012)
Self - Mother of Michael (1 episode, 2013)
Self - TruePosition (1 episode, 2013)
Self - AeroVironment, Inc. (1 episode, 2013)
Self - The Water Institute of the Gulf (1 episode, 2013)
Self - Engineer, PPG Industries (1 episode, 2013)
Self - Bill Allen's daughter (1 episode, 2014)
Self - Mother of Polio Patient (1 episode, 2014)
Self - Ecologist, University of Salford (1 episode, 2016)
Self - Wife of Alzheimer's Patient (1 episode, 2016)
Self - Hurley Children's Hospital (1 episode, 2017)
Self - Amber Kinetics (1 episode, 2017)
Self - Vrije Universiteit Brussel (1 episode, 2017)
Self - Research Scientist, University of Iowa (1 episode, 2017)
Self - United States Holocaust Memorial Museum (1 episode, 2017)
Self - Electrical Engineer (1 episode, 2018)
Self - United States Coast Guard Sector Boston (1 episode, 2018)
Self - University of California, Berkeley (1 episode, 2018)
Self - Curator, Royal Collection Trust (1 episode, 2019)
Self - Princeton University (1 episode, 2021)
Self - Harvard University (1 episode, 2021)
Self - Hypnosis Subject (1 episode, 1996)
Emilie's Tutor (1 episode, 2005)
Uncle Jos Wedgwood (1 episode, 2009)
Self - Huntington's Disease Patient (1 episode, 2012)
Self - Texas Tech University (1 episode, 2012)
Self - Physicist, The Ames Laboratory (1 episode, 2012)
Self - United State Navy (1 episode, 2013)
Self - Liza's Son (1 episode, 2013)
Self - U.S. Army Corps of Engineers (1 episode, 2013)
Self - Glass Company Worker (1 episode, 2013)
Self - Captain, 22 Dragoons (1 episode, 2014)
Self - University of California, Los Angeles (1 episode, 2014)
Self - Son of Alzheimer's Patient (1 episode, 2016)
Self - Michigan's Dept of Health & Human Services (1 episode, 2017)
Self - Southern California Edison (1 episode, 2017)
Self - Dutch National Museum for the History of Science and Medicine (1 episode, 2017)
Self - Air Traffic Controller (1 episode, 2018)
Self - University of California, Los Angeles (1 episode, 2019)
Self - Author (1 episode, 2020)
Self - Callie Truelove's Father (1 episode, 2020)
Self - Sociology, UC Berkeley (1 episode, 1996)
Emilie's Father (1 episode, 2005)
Annie Darwin (1 episode, 2009)
Self - Huntington's Disease Society (1 episode, 2012)
Self - Elevator Construction Crew Member (1 episode, 2013)
Self - Pfc., U.S. Army 90th Infantry Div. (1 episode, 2014)
Self - Mother of Cervical Cancer Victim (1 episode, 2014)
Self - Washington University in St. Louis (1 episode, 2016)
Historian, Utrecht University / Self - Physicist (1 episode, 2017)
Self - Aquion Energy (1 episode, 2017)
Self - Michigan Attorney General (1 episode, 2017)
Self - Marshall Islands Resident (1 episode, 2018)
Self - LIGO Hanford Observatory & CalTech (1 episode, 2018)
Self - Engineer (1 episode, 2018)
Riverside County Fire Dept. / Self - Firefighter, CAL FIRE (1 episode, 2020)
Self - Callie Truelove's Therapy Dog (1 episode, 2020)
Self - Fake Abductee (1 episode, 1996)
Voltaire (1 episode, 2005)
Dr. Robert Grant (1 episode, 2009)
Self - Paleoclimatologist (1 episode, 2012)
Self - CASA Engineering Research Center (1 episode, 2012)
Self - Institute for Systems Biology (1 episode, 2012)
Self - One World Trade Center Raising Gang (1 episode, 2013)
Self - Oxford Internet Institute, University of Oxford (1 episode, 2013)
Self - D-Day Expedition Director (1 episode, 2014)
Self - KMB Architects (1 episode, 2017)
Self - Planetary Scientist, Johns Hopkins University Applied Physics Laboratory (1 episode, 2017)
Self - Flint Water Response Team (1 episode, 2017)
Self - University of Oregon (1 episode, 2018)
Self - Wetlands Watch, Norfolk, Virginia (1 episode, 2018)
Self - Managing Director (1 episode, 2018)
Self - Howard University (1 episode, 2019)
Self - Founder, First Responders Resiliency Inc. (1 episode, 2020)
Algarotti (1 episode, 2005)
Joseph Dalton Hooker (1 episode, 2009)
Self - University of Oklahoma (1 episode, 2012)
Self - Medical College of Wisconsin and Children's Hospital of Wisconsin (1 episode, 2012)
Self - Research Physicist, Lawrence Livermore National Laboratory (1 episode, 2012)
Self - President, DCM Erectors, Inc. (1 episode, 2013)
Self - Consulting Engineer (1 episode, 2014)
Self - McGill University (1 episode, 2016)
Self - Water Distribution Specialist (1 episode, 2017)
Self - Exobiologist, Université Paris-Est Créteil (1 episode, 2017)
Self - Mission Engineer (1 episode, 2018)
Self - Norfolk, Virginia Resident (1 episode, 2018)
Sel - University of Sussex (1 episode, 2019)
Self - Retired Fireman, Santa Rosa Fire Department (1 episode, 2020)
Maupertuis (1 episode, 2005)
Self - Oklahoma Tornado Survivor (1 episode, 2012)
Self - Father of Andrew Schmitz (1 episode, 2012)
Self - Nuclear Engineer, American Nuclear Society Trinity Section (1 episode, 2012)
Self - Room for the River (1 episode, 2013)
Self - Architect and Designer, 9-11 Memorial (1 episode, 2013)
Self - Staff Sergeant, U.S. Army (1 episode, 2014)
Self - Harvard University (1 episode, 2016)
Self - Niece of Alzheimer's Patient (1 episode, 2016)
Self - Flint Fast Start Program (1 episode, 2017)
Self - Huygens Project Scientist, European Space Agency (1 episode, 2017)
Self - Jewish Community of Lithuania (1 episode, 2017)
Self - Norfolk District, United States Army Corps of Engineers (1 episode, 2018)
Self - Flight Director (1 episode, 2018)
Self - Carnegie Mellon University (1 episode, 2019)
Dr. Haller (1 episode, 2005)
Self - Patient of Howard Jacob (1 episode, 2012)
Self - Director, National Museum of Nuclear Science & History (1 episode, 2012)
Self - Municipality for Rotterdam (1 episode, 2013)
Self - 9-11 Memorial Worker (1 episode, 2013)
Self - University of California, Los Angeles (1 episode, 2016)
Self - Planetary Scientist, Southwest Research Institute (1 episode, 2017)
Self - Photographer (1 episode, 2017)
Self - United States Navy, Retired (1 episode, 2018)
Self - Cockpit Systems Engineer (1 episode, 2018)
Self - University of Notre Dame (1 episode, 2019)
Habicht (1 episode, 2005)
Self - Chemist, Lawrence Livermore National Laboratory (1 episode, 2012)
Self - Cystic Fibrosis Patient (1 episode, 2012)
Self - President, Service Metal (1 episode, 2013)
Self - Astronomer, Cornell University (1 episode, 2017)
Self - CAPCOM (1 episode, 2018)
Self - Norfolk Resident (1 episode, 2018)
Self - American University (1 episode, 2019)
Lise Meitner (1 episode, 2005)
Self - Children's Hospital Boston (1 episode, 2012)
Self - Service Metal (1 episode, 2013)
Self - André Borschberg's Daughter (1 episode, 2018)
Self - Harvard University (1 episode, 2019)
Self - Vertex Pharmaceuticals (1 episode, 2012)
Self - Executive Director, Port Authority of New York & New Jersey (1 episode, 2013)
Self - Husband of Alzheimer's Patient (1 episode, 2016)
Self - Planetary Scientist, SETI Institute (1 episode, 2017)
Self - Bertrand Piccard's Wife (1 episode, 2018)
Self - Geophysical Fluid Dynamics Laboratory (1 episode, 2018)
Self - University of Utah (1 episode, 2019)
Strassman (1 episode, 2005)
Self - Operations, Cassini Ion and Neutral Mass Spectrometer (1 episode, 2017)
Self - Bertrand Piccard's Daughter (1 episode, 2018)
Self - Chief Resilience Officer, Norfolk, Virginia (1 episode, 2018)
Self - Georgetown University (1 episode, 2019)
Horlein (1 episode, 2005)
Self - Melanoma Patient (1 episode, 2012)
Self - Probable Alzheimer's Patient (1 episode, 2016)
Self - Secretary General of the United Nations (1 episode, 2018)
Self - Vice President, Manufacturing, Whirlpool Corporation (1 episode, 2018)
Robert Frisch (1 episode, 2005)
Self - Mass General Hospital (1 episode, 2012)
Self - Former Senior Vice President of Knowledge, Google (1 episode, 2018)
Self - Chief Executive Officer, One Energy (1 episode, 2018)
Dana-Farber / Self - Broad Institute (1 episode, 2012)
Self - National Renewable Energy Laboratory (1 episode, 2018)
Self - Peace Research Institute Oslo (1 episode, 2019)
Self - Massachusetts General Hospital (1 episode, 2012)
Self - SWPS Uniwersytet Humanistycznospoleczny (1 episode, 2019)
Self - Genesis Genetics Institute (1 episode, 2012)
Self - Chief Executive Officer, Kiverdi (1 episode, 2018)
Self - Columbia University (1 episode, 2012)
Self - Igarapé Institute (1 episode, 2019)
Self - Patient (1 episode, 2012)
Self - Farmer (1 episode, 2018)
Self - Noah and Alexis Beery's Mother (1 episode, 2012)
Self - Safe Streets Baltimore (1 episode, 2019)
Self - Cure Violence Global (1 episode, 2019)
Self - Former Iraqui Christian Refugee (1 episode, 2019)
Self - Muslim Member of Ninevah Plain Soccer League (1 episode, 2019)
Self - Ninevah Plain League Organizer (1 episode, 2019)
Narrator (1 episode, 1974)
Self (narrator) (1 episode, 1974)
Self (1 episode, 1974)
(1 episode, 1974)
Self (1 episode, 1977)
Self (1 episode, 1978)
Self - Lecturer in Aeronautics, Imperial College, London (1 episode, 1978)
Self - Icarus V (1 episode, 1978)
Self (2 episodes, 1978-2019)
Self - Glider Pilot (1 episode, 1978)
Self - Flight Lieutenant (1 episode, 1978)
Self - Designer (1 episode, 1978)
Self - City University, New York (1 episode, 1978)
Self (1 episode, 1979)
Self (2 episodes, 1980-2019)
Narrator (1 episode, 1980)
Self (narrator) (1 episode, 1981)
Self (1 episode, 1981)
Self (1 episode, 1982)
Explainer (1 episode, 1982)
Supreme Court Justice (1 episode, 1982)
Narrator (1 episode, 1983)
Self - Former Secretary of Defense (1 episode, 1983)
Self (2 episodes, 1983-2008)
Self - Physicist, Massachusetts Institute of Technology (1 episode, 1983)
Self - Assistant Secretary of Defense, International Security Affairs (1 episode, 1983)
Self - Former Ensign, U.S. Navy (1 episode, 1983)
Self - Former Deputy Director, Central Intelligence Agency (1 episode, 1983)
Self - Assoc. Professor of Political Science, Massachusetts Institute of Technology (1 episode, 1983)
Self - Co-Founder, Committee on the Present Danger (1 episode, 1983)
Self - Assoc. Professor of Public Policy, Harvard University (1 episode, 1983)
Canada / Self - Dir., Military Studies Section, Institute for the Study of U.S. (1 episode, 1983)
Self - Professor of Community Medicine, CUNY (1 episode, 1983)
Self - Physicist, Moscow Institute for the Study of Physical Problems (1 episode, 1983)
Self - Former Director, Arms Control and Disarmament Agency (1 episode, 1983)
(1 episode, 1984)
Self - Host (1 episode, 1984)
Self (1 episode, 1985)
Self (1 episode, 1986)
Self (narrator) (1 episode, 1987)
Self (1 episode, 1987)
Self - Author and Pilot (1 episode, 1987)
Self - Investigator, National Transportation Safety Board (1 episode, 1987)
Self - Professor, Human Engineering, University of Miami (1 episode, 1987)
Self - Journalist (1 episode, 1987)
Self - Frontier Airlines (1 episode, 1987)
Self - Director, Delta Airlines National Media Relations (1 episode, 1987)
Self - Scientist, Nat'l Center for Atmospheric Research (1 episode, 1987)
Self - Training Instructor, Continental Airlines (1 episode, 1987)
Self - Air Safety Investigator, N.T.S.B. (1 episode, 1987)
Self - Manager, NASA Aerospace Human Factors Division (1 episode, 1987)
Self - Manager, Flight Deck Integration, Boeing Commercial Aircraft Company (1 episode, 1987)
Self - Manager, Flight Training, Eastern Airlines (1 episode, 1987)
Self - Delta Airlines (1 episode, 1987)
Self - Director, NASA Aviation Safety Reporting System (1 episode, 1987)
Self - Member, National Transportation Safety Board (1 episode, 1987)
Self - Safety Investigator, Delta Airlines (1 episode, 1987)
Self - Airline Pilots Association (1 episode, 1987)
Self - Laboratory Technician, National Transportation Safety Board (1 episode, 1987)
Self - Senior Safety Consultant, United Airlines (1 episode, 1987)
Self (1 episode, 1988)
Self - Narrator (1 episode, 1988)
Self - Host (1 episode, 1989)
Self (1 episode, 1989)
Self - Host (1 episode, 1991)
Narrator (1 episode, 1992)
Self - Special Agent (1 episode, 1992)
Self - Forensic Psychologist (1 episode, 1992)
Self - Psychiatrist (1 episode, 1992)
Self - Rochester Detective (1 episode, 1992)
Host and Narrator (1 episode, 1992)
Machine Boy (1 episode, 1992)
Self -District Attorney (1 episode, 1992)
Self (1 episode, 1993)
Self (Smithsonian Institution) (1 episode, 1993)
Narrator (1 episode, 1994)
(1 episode, 1994)
Self (1 episode, 1995)
Self - Granddaughter of Tsar's physician (1 episode, 1995)
Self - Narrator (1 episode, 1996)
Narrator (1 episode, 1997)
Self - Interviewee (1 episode, 1997)
(1 episode, 1997)
Self (1 episode, 1997)
Self - USAF Pararescueman (1 episode, 1997)
Self - Maritime Artist (1 episode, 1997)
Self - Historian (1 episode, 1997)
Self - Britannic Survivor (1 episode, 1997)
Self - Narrator (1 episode, 1998)
John Harrison (1 episode, 1998)
Self (1 episode, 1998)
(1 episode, 1998)
Narrator / Self (1 episode, 1998)
Self - Narrator (1 episode, 2000)
Richard Rampton (1 episode, 2000)
David Irving (1 episode, 2000)
The Hon. Mr. Justice Gray (1 episode, 2000)
Prof. Robert Jan Van Pelt (1 episode, 2000)
Self (1 episode, 2000)
Self / dancer with NYC Ballet (1 episode, 2000)
Self / plus sized model (1 episode, 2000)
Nobel Prize Winner (1 episode, 2000)
Self / dancer at the American Ballet Company (1 episode, 2000)
Self / University of Pittsburgh doctor (1 episode, 2000)
Self / clinical psychologist (1 episode, 2000)
New York State Psychiatric Institute / Self (1 episode, 2000)
Self / director of eating disorders treatment center (1 episode, 2000)
Self / author of Fasting Girls (1 episode, 2000)
Self / former dancer at the Joffrey Ballet (1 episode, 2000)
Self / dancer (1 episode, 2000)
Erin's mother / Self (1 episode, 2000)
Self / psychiatry professor at Wesleyan University (1 episode, 2000)
Self - Narrator (1 episode, 2001)
Voice of Methuselah (1 episode, 2001)
Presenter (1 episode, 2001)
Narrator / Self (1 episode, 2001)
Self (1 episode, 2001)
(1 episode, 2001)
Self - Colgate University (1 episode, 2001)
Self - University of Hawaii, Honolulu (1 episode, 2001)
Self - Copan Association (1 episode, 2001)
Self - Yale University (1 episode, 2001)
Self - Johns Hopkins Medical Center (1 episode, 2001)
Self - Brown University (1 episode, 2001)
Self - University of Pennsylvania (1 episode, 2001)
Self - Netherlands Institute (1 episode, 2001)
Self - University of California, San Francisco (1 episode, 2001)
Galileo (1 episode, 2002)
Maria Celeste (1 episode, 2002)
Ambassador (1 episode, 2002)
(1 episode, 2002)
Self - World Trade Center Engineer (1 episode, 2002)
Self - Structural Engineer (1 episode, 2002)
Self - Building Safety Analyst (1 episode, 2002)
Inquistor (1 episode, 2002)
Self - Commentor (1 episode, 2002)
Self - Professor: Fire Protection Engineering (1 episode, 2002)
Self - World Trade Center Survivor (1 episode, 2002)
Self - Fireman and World Trade Center Survivor (1 episode, 2002)
Self - Paleoanthropologist, University of Michigan (1 episode, 2002)
Self - Anthropologist, Washington University (1 episode, 2002)
Self - Reconstruction Artist (1 episode, 2002)
Self - Paleoanthropologist AMNH (1 episode, 2002)
Self - Archaeologist, University of Pennsylvania (1 episode, 2002)
Author (1 episode, 2002)
Narrator (1 episode, 2002)
Narrator (1 episode, 2003)
Translator (1 episode, 2003)
Self - Glider Pilot (1 episode, 2003)
Self - Chief Test Pilot, Lockheed Martin (1 episode, 2003)
Self - Engineer, The Boeing Company (1 episode, 2003)
Self - Major General, Joint Strike Force Program Director, 1993-1995 (1 episode, 2003)
(1 episode, 2003)
Self - Undersecretary of Defense for Acquisition, Technology and Logistics (1 episode, 2003)
Young Rosalind Franklin (1 episode, 2003)
James Watson (1 episode, 2003)
J.T. Randall (1 episode, 2003)
Self - Flight Test Engineer, The Boeing Company (1 episode, 2003)
Self - Program Manager, The Boeing Company (1 episode, 2003)
Self - Commander, Test Pilot, U.S. Navy (1 episode, 2003)
Self - Vice President, Tactical Aircraft, Lockheed Martin (1 episode, 2003)
Self - Former Member of Parliament, Tibet (1 episode, 2003)
Self (1 episode, 2003)
Self - Chief Test Pilot, The Boeing Company (1 episode, 2003)
Self - AsianArt.com (1 episode, 2003)
Self - Boeing (1 episode, 2003)
Self - Flight Test Director, Lockheed Martin (1 episode, 2003)
Self - Manufacturing Engineer, The Boeing Company (1 episode, 2003)
Self - Contracts Director, Joint Strike Fighter (1 episode, 2003)
Raymond Gosling (1 episode, 2003)
Self - The Wright Experience (1 episode, 2003)
Self - Joint Strike Fighter Engineer, NASA (1 episode, 2003)
Self - Test Pilot, The Boeing Company (1 episode, 2003)
Self - Lieutenant Colonel, JSF Chief Test Pilot, U.S. Air Force (1 episode, 2003)
Self - Sakya Order of Tibetan Buddhism (1 episode, 2003)
Lawrence Bragg (1 episode, 2003)
Self - Rear Admiral, Joint Strike Fighter Program Director, 1995-1997 (1 episode, 2003)
Self - Writer, Flight International (1 episode, 2003)
Self - Lieutenant, U.S. Navy (1 episode, 2003)
Self - Flight Test Conductor, The Boeing Company (1 episode, 2003)
Rosalind Franklin (1 episode, 2003)
Self - Major General, Joint Strike Fighter Program Director, 1999-2001 (1 episode, 2003)
Self - Chief Executive Officer, The Boeing Company (1 episode, 2003)
Francis Crick (1 episode, 2003)
Self - B.A.E. Test Pilot, Lockheed Martin (1 episode, 2003)
Historian / Self - Aviation Writer (1 episode, 2003)
Self - Joint Strike Fighter Program Office (1 episode, 2003)
Self - Chief Engineer, Lockheed Martin (1 episode, 2003)
Self - Mechanic, The Boeing Company (1 episode, 2003)
Self - King of Mustang (1 episode, 2003)
Self - American Himalayan Foundation (1 episode, 2003)
Self - Secretary of the United States Air Force (1 episode, 2003)
Self (photo) (1 episode, 2003)
Self - Department of Defense (1 episode, 2003)
Self - Assembly Manager, Lockheed Martin (1 episode, 2003)
Self - Machinist, Lockheed Martin (1 episode, 2003)
Self - National Air and Space Museum (1 episode, 2003)
Self - Engineer, Lockheed Martin (1 episode, 2003)
Self - King Mahendra Trust (1 episode, 2003)
Self - Aircraft Builder (1 episode, 2003)
Self - Art Conservator (1 episode, 2003)
Self (1 episode, 2004)
Translation voice (1 episode, 2004)
(1 episode, 2004)
George Soper (1 episode, 2004)
Mary Mallon (1 episode, 2004)
Reporter (1 episode, 2004)
Self - Rover Engineer (1 episode, 2004)
Self - Paleopathologist (1 episode, 2004)
Self - Colonel, Commander, 10th Combat Support Hospital (1 episode, 2004)
Self - Captain, Emergency Room Nurse, 21st Combat Support Hospital (1 episode, 2004)
Self - Colonel, Deputy Commander for Clinical Services (1 episode, 2004)
Self - Landing Systems Engineer, MER (1 episode, 2004)
Self - Wartburg College (1 episode, 2004)
Josephine Baker (1 episode, 2004)
Self - 1960 Excavation Team Member (1 episode, 2004)
Self - Captain (1 episode, 2004)
Self - Major, Urologist, 21st Combat Support Hospital (1 episode, 2004)
Self - The Hebrew University of Jerusalem (1 episode, 2004)
Self - Specialist, Preventative Medicine Specialist (1 episode, 2004)
Self - Private First Class (1 episode, 2004)
Self - Major, Civil-Military Affairs, 62nd Brigade (1 episode, 2004)
Self - Physician (1 episode, 2004)
Self - Technical Director, Planetary Systems, Raytheon (1 episode, 2004)
Self - NASA Countdown Voice, Kennedy Space Center (1 episode, 2004)
Self - Major, Anesthesiologist, 21st Combat Support Hospital (1 episode, 2004)
Self - Bar-Ilan University (1 episode, 2004)
Self - Test Engineer (1 episode, 2004)
Self - Private First Class, Medic, 21st Combat Support Hospital (1 episode, 2004)
Self - Major, Operations Officer, 21st Combat Support Hospital (1 episode, 2004)
Self - University of Nebraska at Omaha (1 episode, 2004)
Self - Engineer (1 episode, 2004)
Self - Drew University (1 episode, 2004)
Self - Colonel, Commander, 21st Combat Support Hospital (1 episode, 2004)
Self - New York University (1 episode, 2004)
Self - Redeemer University College (1 episode, 2004)
Self - Major, General Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Weizmann Institute of Science (1 episode, 2004)
Self - Captain, Ward Nurse, 21st Combat Support Hospital (1 episode, 2004)
Self - Sergeant, Chemical Protection Specialist (1 episode, 2004)
Self - Colonel, Deputy Commander, 10th Combat Support Hospital (1 episode, 2004)
Self - Sergeant First Class, Senior Medical Noncommissioned Officer, 21st Combat Support Hospital (1 episode, 2004)
Self - Major, Orthopedic Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Colonel, Orthopedic Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Rover Systems Engineer, Jet Propulsion Laboratory (1 episode, 2004)
Self - Sergeant First Class (1 episode, 2004)
Self - Narrator (1 episode, 2005)
Louis Blériot (1 episode, 2005)
Voice (1 episode, 2005)
Isaac Newton (1 episode, 2005)
Historical Reenactment (1 episode, 2005)
Self (1 episode, 2005)
Voice over (1 episode, 2005)
Self - Flight Director (1 episode, 2005)
Self - Bournemouth University (1 episode, 2005)
Self - Brookhaven National Laboratory (1 episode, 2005)
Self - Honeybee Robotics (1 episode, 2005)
Self - NASA Ames Research Center (1 episode, 2005)
Self - Spirit Mission Manager (1 episode, 2005)
Self - McCrone Associates (1 episode, 2005)
Self - Lifeguard (1 episode, 2005)
Self - Indiana University (1 episode, 2005)
Self - Son of Kenneth Oakley (1 episode, 2005)
Self - Engineering Seismologist (1 episode, 2005)
Self - Author, Isaac Newton (1 episode, 2005)
Self - Restaurant Owner (1 episode, 2005)
Self - American Museum of Natural History (1 episode, 2005)
Self - Yale University Librarian (1 episode, 2005)
Self - University College London (1 episode, 2005)
Self - MER (1 episode, 2005)
Self - Fault Protection Manager (1 episode, 2005)
Self - Alexander Vietor's wife (1 episode, 2005)
Self - Engineer (1 episode, 2005)
Self - California Institute of Technology (1 episode, 2005)
Self - Mechanical Systems Engineer (1 episode, 2005)
Self - Mission Manager (1 episode, 2005)
Self - Mars Program, Chief Scientist, NASA (1 episode, 2005)
Self - Train Passenger (1 episode, 2005)
Self - Darwin Biographer (1 episode, 2005)
Self - Rare book dealer (1 episode, 2005)
Self - University of Tennessee (1 episode, 2005)
Self - Flight Software Architect (1 episode, 2005)
Self - Dibner Institute (1 episode, 2005)
Self - Brandeis University (1 episode, 2005)
Self - University of King's College (1 episode, 2005)
Self - Imperial College London (1 episode, 2005)
Self - Civil Engineer (1 episode, 2005)
Self - University of Kentucky (1 episode, 2005)
(1 episode, 2005)
Self - Grandson of Woodward (1 episode, 2005)
Self - Author, 'Maps, Myths and Men' (1 episode, 2005)
Self - University of Saragossa (1 episode, 2005)
Self - Natural History Museum, London (1 episode, 2005)
Godfred Hansen (1 episode, 2006)
Roald Amundsen (1 episode, 2006)
James Fitzjames (1 episode, 2006)
Francis Crozier (1 episode, 2006)
(1 episode, 2006)
Lady Franklin (1 episode, 2006)
Captain Van Zanten (1 episode, 2006)
Joe (1 episode, 2006)
Self (1 episode, 2006)
Flight Engineer Willem Schreuder (1 episode, 2006)
Co-Pilot Klaas Meurs (1 episode, 2006)
Flight Engineer George Warns (1 episode, 2006)
Captain Victor Grubbs (1 episode, 2006)
Sir John Franklin (1 episode, 2006)
Self - Author of 'Frozen in Time' (1 episode, 2006)
Self - Defense Advanced Research Projects Agency (1 episode, 2006)
Self - Carnegie Mellon University (1 episode, 2006)
Joe Rezwin (1 episode, 2006)
Self - Consultant (1 episode, 2006)
Self - Graduate Student, Carnegie Mellon University (1 episode, 2006)
Self - Blue Team (1 episode, 2006)
Self - Team Digital Auto Drive (1 episode, 2006)
Self - Oshkosh Trucks (1 episode, 2006)
Self - DARPA (1 episode, 2006)
Self - Red Team (1 episode, 2006)
Self - Senior Writer, Scientific American (1 episode, 2006)
Narrator (1 episode, 2007)
Percy Julian (1 episode, 2007)
Stephen Harvey (1 episode, 2007)
Judge John Jones (1 episode, 2007)
Patrick Gillen (1 episode, 2007)
Self - Great Great Grandson of Charles Darwin (1 episode, 2007)
Kenneth R. Miller (1 episode, 2007)
John Smith (1 episode, 2007)
Kevin Padian (1 episode, 2007)
Vic Walczak (1 episode, 2007)
Barbara Forrest (1 episode, 2007)
Alan Bonsell (1 episode, 2007)
Powhatan's Wife (1 episode, 2007)
Richard Thompson (1 episode, 2007)
Julian Lab Chemist (1 episode, 2007)
Robert Muise (1 episode, 2007)
Prof. Blanchard (1 episode, 2007)
Scott Minnich (1 episode, 2007)
Self (1 episode, 2007)
Counsel Hollabaugh (1 episode, 2007)
Pocahontas (1 episode, 2007)
Michael Behe (1 episode, 2007)
Narrator / Self (1 episode, 2007)
Young Percy Julian (1 episode, 2007)
Chief Powhatan (1 episode, 2007)
Anna Julian (1 episode, 2007)
Great Grandmother (1 episode, 2007)
Matt - AV Assistant (1 episode, 2007)
Josef Pikl (1 episode, 2007)
Bill Buckingham (1 episode, 2007)
(1 episode, 2007)
Self - comparative biologist, Southwestern University (1 episode, 2007)
Young Pocahontas (1 episode, 2007)
Senate Chairman O'Mahoney (1 episode, 2007)
Eric Rothschild (1 episode, 2007)
Self - National Center for Science Education (1 episode, 2007)
Self - UC Berkley (1 episode, 2007)
Self - Marine Biological Laboratory (1 episode, 2007)
James Julian (1 episode, 2007)
Percy Julian Jr. (1 episode, 2007)
Percy's Mother (1 episode, 2007)
Self - Dover Science Teacher (1 episode, 2007)
Grandfather (1 episode, 2007)
Self - Australian reef guide (1 episode, 2007)
Self - Thomas More Law Center (1 episode, 2007)
Self - Brown University (1 episode, 2007)
Percy Julian 10 yrs Old (1 episode, 2007)
Self - U.S. District Judge (1 episode, 2007)
Self - Millersville University (1 episode, 2007)
Grandmother (1 episode, 2007)
Lynching Victim (1 episode, 2007)
Self - Narrator (1 episode, 2008)
Self (1 episode, 2008)
Self - Pixar Animation Studio (1 episode, 2008)
Narrator / Self (1 episode, 2008)
Self - Columbia Division Chief Engineer (1 episode, 2008)
Self - Astronaut (1 episode, 2008)
Self - physicist - Yale University (1 episode, 2008)
Self - Industrial Light & Magic (1 episode, 2008)
(1 episode, 2008)
Self - Author, 'Breaking the Maya Code' (1 episode, 2008)
Self - National Air and Space Museum (1 episode, 2008)
Self - Science writer (1 episode, 2008)
Self - Boeing Engineer (1 episode, 2008)
Self - University of Colorado (1 episode, 2008)
Self - University College London (1 episode, 2008)
Self - Founder - Tesla Motors (1 episode, 2008)
Self - Participant (1 episode, 2008)
Self - Chemistry Historian (1 episode, 2008)
Self - Shalem Center (1 episode, 2008)
Self - University of California - Santa Cruz (1 episode, 2008)
Self - Storrowton Museum (1 episode, 2008)
Self - Space Analyst (1 episode, 2008)
Self - Bar-Ilan University (1 episode, 2008)
Self - Epigrapher, La Trobe University (1 episode, 2008)
Self - Linguist, Florida State University (1 episode, 2008)
Self - Nasa Engineer (1 episode, 2008)
Self - Hebrew University of Jerusalem (1 episode, 2008)
Self - Austrian Academy of Sciences (1 episode, 2008)
Self - Boerhaave Museum (1 episode, 2008)
Self - American University (1 episode, 2008)
Self - University of Athens (1 episode, 2008)
Self - Designer Software - LLC (1 episode, 2008)
Self - Linguist, OKMA Language Center (1 episode, 2008)
Self - Columbia Accident Investigation Board (1 episode, 2008)
Self - Pennsylvania State University (1 episode, 2008)
Self - University of Southern Florida (1 episode, 2008)
Self - Husband of Astronaut Laurel Clark (1 episode, 2008)
Self - Santa Fe Institute (1 episode, 2008)
Self - Archeologist, Brown University (1 episode, 2008)
Self - Hebrew University of Jerusalem (Not Sure If This Is Same Zuckerman Already in Your Database) (1 episode, 2008)
Self - Johns Hopkins University (1 episode, 2008)
Self - Epigrapher, University of Texas, Austin (1 episode, 2008)
Self - Harvard University (1 episode, 2008)
Self - Historian (1 episode, 2008)
Self - New York Times (1 episode, 2008)
Self - Massachusetts Institute of Technology, Department of Physics (1 episode, 2008)
Self - Author, 'Cool Comfort' (1 episode, 2008)
Self - University of Arizona (1 episode, 2008)
Self - Epigrapher - University of Pennsylvania Museum (1 episode, 2008)
Self - Space Policy Institute (1 episode, 2008)
Self - Massachusetts Institute of Technology - Department of Applied Mathematics (1 episode, 2008)
Self - Columbia Flight Manager (1 episode, 2008)
Self - Physicist (1 episode, 2008)
Self - University of Oxford (1 episode, 2008)
Self - Art Historian, Princeton University (1 episode, 2008)
Self - Linguist and Anthropologist (1 episode, 2008)
Self - Rocky Mountain Institute (1 episode, 2008)
Self - Governor of California (1 episode, 2009)
Self - Actor (1 episode, 2009)
Self - Science Educator (1 episode, 2009)
Neanderthal Boy (1 episode, 2009)
(1 episode, 2009)
Narrator (1 episode, 2009)
Self - Green for All (1 episode, 2009)
Self - Narrator (1 episode, 2009)
Self - The Worthington Dealership Group (1 episode, 2009)
Self - NASA Astronaut (1 episode, 2009)
Self - Extreme Ice Survey (1 episode, 2009)
Opthamologist (1 episode, 2009)
Terrorist (1 episode, 2009)
Self - Former CIA Analyst (1 episode, 2009)
Self - National Geographic Grantee (1 episode, 2009)
Self - Goddard Space Flight Center (1 episode, 2009)
Self - Geologist (1 episode, 2009)
Self - The Ohio State University (1 episode, 2009)
Self - Former FBI Supervisory Agent (1 episode, 2009)
Self - Ecologist (1 episode, 2009)
Self - Solar Richmond Graduate (1 episode, 2009)
Self - California State Assembly Member (1 episode, 2009)
Self - Max Planck Institute (1 episode, 2009)
Self - Harvard Medical School (1 episode, 2009)
Narrator / Self (1 episode, 2009)
Self - University College London (1 episode, 2009)
Self - Universidad Complutense de Madrid (1 episode, 2009)
Self - Stony Brook University (1 episode, 2009)
Self - Woods Hole Oceanographic Institution (1 episode, 2009)
Self - Lead Spacewalk Instructor (1 episode, 2009)
Self - Lamont-Doherty Earth Observatory (1 episode, 2009)
Self - Boston University (1 episode, 2009)
Self - University of Colorado at Boulder (1 episode, 2009)
Self - University of Potsdam (1 episode, 2009)
Self - Nanosolar, Inc. (1 episode, 2009)
Self - Research Subject (1 episode, 2009)
Self - Wife of Research Subject (1 episode, 2009)
Self - Archeologist (1 episode, 2009)
Self - Australian National Wildlife Collection (1 episode, 2009)
Self - Sweet Briar College (1 episode, 2009)
Self - Competitive Enterprise Institute (1 episode, 2009)
Self - International Network for Bamboo and Rattan (1 episode, 2009)
Self - Biologist (1 episode, 2009)
Self - New York University (1 episode, 2009)
Self - Internet Systems Consortium (1 episode, 2009)
Self - Glaciologist (1 episode, 2009)
Self - Penn State University (1 episode, 2009)
Self (1 episode, 2009)
Self - Boston Psychoanalytic Institute (1 episode, 2009)
Neanderthal (1 episode, 2009)
Self - Author (1 episode, 2009)
Self - Sierra Research, Inc. (1 episode, 2009)
Self - Richmond (1 episode, 2009)
Self - London Zoo (1 episode, 2009)
Self - University of California, San Diego (1 episode, 2009)
Self - Catalan Institute of Paleoecology (1 episode, 2009)
Self - Massachusetts Institute of Technology (1 episode, 2009)
Self - Emory University (1 episode, 2009)
Self - NASA Astronaut Trainer (1 episode, 2009)
Self - University of Liege (1 episode, 2009)
Homo Erectus (1 episode, 2009)
Self - Oxford University (1 episode, 2009)
Self - University of Kansas (1 episode, 2009)
Self - University of Pennsylvania (1 episode, 2009)
Self - Archeologie Andennaise (1 episode, 2009)
Self - University of California, Santa Cruz (1 episode, 2009)
Self - Papworth Hospital, Cambridge, England (1 episode, 2009)
Self - Retired NASA Scientist (1 episode, 2009)
Self - University of Montreal (1 episode, 2009)
Self - The Economist (1 episode, 2009)
Self - College de France (1 episode, 2009)
Self - Former AT&T Technician (1 episode, 2009)
Self - Former NSA Voice Interceptor (1 episode, 2009)
Self - National Snow & Ice Data Center (1 episode, 2009)
Self - Luscious Garage (1 episode, 2009)
Self - Hubble Tool Engineer (1 episode, 2009)
Self - U.S. Geological Survey Alaska Science Center (1 episode, 2009)
Self - Hubble Project Scientist, Space Telescope Science Institute (1 episode, 2009)
Self - University of Toronto (1 episode, 2009)
Self - NSA Director of Research, 2002-2005 (1 episode, 2009)
Self - Zoologist (1 episode, 2009)
Self - University of Turku (1 episode, 2009)
11 Committee / Self - Staff Director, Congressional 9 (1 episode, 2009)
Self - Google, Inc. (1 episode, 2009)
Self - Former Staff Director, House Intelligence Committee (1 episode, 2009)
Self - University of Cape Town (1 episode, 2009)
Self - Wickline Bedding Company (1 episode, 2009)
Self - Biopsychologist (1 episode, 2009)
Self - National Geographic Explorer-in-Residence (1 episode, 2009)
Self - NSA Executive Director, 1999-2001 (1 episode, 2009)
Self - Georgian National Museum (1 episode, 2009)
Self - University of Washington (1 episode, 2009)
Self - Director, Hubble Servicing Mission (1 episode, 2009)
Mahroos (1 episode, 2010)
Performer (1 episode, 2010)
Self - Film Critic and Historian (1 episode, 2010)
Self - Supreme Council of Antiquities (1 episode, 2010)
Self (1 episode, 2010)
Venetia Burney (1 episode, 2010)
Self - University of Chicago Booth School of Business (1 episode, 2010)
(1 episode, 2010)
Self - Technical Diving Specialist (1 episode, 2010)
Self - Director of Photography, Karst Productions (1 episode, 2010)
Hurl / Self - Director of Operations, NOAA (1 episode, 2010)
Self - Yale University (1 episode, 2010)
Self - Southern Connecticut State University (1 episode, 2010)
Self - Science Diver, Bahamas Caves Research Foundation (1 episode, 2010)
Self - GMO, LLC (1 episode, 2010)
Self - University of Chicago (1 episode, 2010)
Self - American Museum of Natural History (1 episode, 2010)
Self - Walt Disney's Great Nephew (1 episode, 2010)
Self - Geologist, United States Geological Survey (1 episode, 2010)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2010)
Self - Machu Picchu Archeological Park (1 episode, 2010)
Self - German Archaeological Institute (1 episode, 2010)
Self - Ecologist, United States Department of Agriculture Forest Service (1 episode, 2010)
Self - Stanford University (1 episode, 2010)
Self - Clyde Tombaugh's Son (1 episode, 2010)
Self - Clyde Tombaugh's Widow (1 episode, 2010)
Self - University of California, Riverside (1 episode, 2010)
Self - The New York Times (1 episode, 2010)
Self - Shipwright (1 episode, 2010)
Self - Handshouse Studio (1 episode, 2010)
Self - Sculptor (1 episode, 2010)
Self - New York Stock Exchange (1 episode, 2010)
Self - Coastal Carolina University (1 episode, 2010)
Self - Cambridge University (1 episode, 2010)
Self - Boston University (1 episode, 2010)
Self - Chicago Mercantile Exchange Trader (1 episode, 2010)
Self - Tulane University (1 episode, 2010)
Self - Author, 'A Mile Down' (1 episode, 2010)
Self - Harvard Business Review (1 episode, 2010)
Self - Professor: University of Utrecht (1 episode, 2010)
Self - Senator, Republican, 28th District, Illinois (1 episode, 2010)
Self - Archeologist (1 episode, 2010)
Self - Swansea University (1 episode, 2010)
Self - Knight Capital Group (1 episode, 2010)
Self - Amateur Astronomer (1 episode, 2010)
Self - University of Florida (1 episode, 2010)
Self - Paleohydrologist (1 episode, 2010)
Self - National Geographic Explorer-in-Residence (1 episode, 2010)
Self - The Wall Street Journal (1 episode, 2010)
Self - Peruvian Culture Institute (1 episode, 2010)
Self - National Museum of the Bahamas (1 episode, 2010)
Self - Credit Suisse (1 episode, 2010)
Self - University of Miami (1 episode, 2010)
Self - Chicago Mercantile Exchange (1 episode, 2010)
Self - Harvard University (1 episode, 2010)
Self - Chapman University School of Law, 2002 Nobel Prize Winner in Economics (1 episode, 2010)
Self - Assistant Professor (1 episode, 2010)
Self - NASA Scientist (1 episode, 2010)
(1 episode, 2011)
Self (1 episode, 2011)
Self - Embery Institute for Wildlife Conservation (1 episode, 2011)
Actor (1 episode, 2011)
Young Alan Guth (1 episode, 2011)
Young Spy (1 episode, 2011)
Young John Clauser (1 episode, 2011)
Self - Shark Expert (1 episode, 2011)
Self - Materials Scientist, Virginia Tech (1 episode, 2011)
Self - Planetary Scientist at Harvard University (1 episode, 2011)
Self - Mechanical Engineer, Stanford University (1 episode, 2011)
Self - Astronomer at the Southwest Research Institute (1 episode, 2011)
Multiverse Motel Desk Clerk (1 episode, 2011)
Self - NIST (1 episode, 2011)
Self - Chemist, University of Texas at Dallas, NanoTech Institute (1 episode, 2011)
Self - Beekeeper (1 episode, 2011)
Self - Nuclear Security Expert - Massachusetts Institute of Technology (1 episode, 2011)
Self - Electrical Engineer, Duke University (1 episode, 2011)
Self - Owner, Outlaw Motor Speedway (1 episode, 2011)
Self - Geologist at Colorado University in Boulder (1 episode, 2011)
Self - Molecular Biologist, University of Wyoming (1 episode, 2011)
Self - Dir. of Operations, H.I.T. (1 episode, 2011)
Self - UC Davis (1 episode, 2011)
Self - University of Texas at Dallas, NanoTech Institute (1 episode, 2011)
Self - Consumer Electronics Show Participant (1 episode, 2011)
Self - UC Santa Barbara (1 episode, 2011)
Self - IBM Research Division (1 episode, 2011)
Self - Biologist, Lewis & Clark College (1 episode, 2011)
Self - Ballistics Scientist, Dupont (1 episode, 2011)
Self - Technician (1 episode, 2011)
Self - Coastal Engineer - University of Southern California (1 episode, 2011)
Self - Chemist, Northwestern University (1 episode, 2011)
Self - Head of Cathedral Studios (1 episode, 2011)
Self - Stanford University (1 episode, 2011)
Self - Theoretical Physicist, Imperial College London (1 episode, 2011)
Self - Cedars-Sinai Medical Center, Molecular Pathology (1 episode, 2011)
Self - General Manager, Ellwood Technologies (1 episode, 2011)
Self - Biologist at Woods Hole Oceanographic Institute (1 episode, 2011)
Self - Institute of Robotics, ETH Zurich (1 episode, 2011)
Self - Princeton University (1 episode, 2011)
Self - Volcanologist at JPL (1 episode, 2011)
Self - Student, Institute of Robotics, ETH Zurich (1 episode, 2011)
Spaceport Attendant (1 episode, 2011)
Self - Astrobiologist at Goddard Space Flight Center (1 episode, 2011)
Self - Tufts University (1 episode, 2011)
Self - Physicist, Massachusetts Institute of Technology (1 episode, 2011)
Self - Dir. of Engineering, H.I.T. (1 episode, 2011)
Self - Polymer Engineer, Lord Corporation (1 episode, 2011)
Self - Owner, English Antique Glass (1 episode, 2011)
Self - Vice President, Intel Corporation (1 episode, 2011)
Self - Chief Operating Officer, Ulysse Nardin (1 episode, 2011)
Self - Columbia University (1 episode, 2011)
Self - Materials Scientist, University of California, San Diego (1 episode, 2011)
Self - Biomaterials Engineer (1 episode, 2011)
Narrator / Self (1 episode, 2011)
Self - Patient (1 episode, 2011)
Self - Astronomer at University of Arizona (1 episode, 2011)
Self - Edgerton Center, Massachusetts Institute of Technology (1 episode, 2011)
Self - Astrophysicist at Ames Research Center (1 episode, 2011)
Self - Fashion Designer (1 episode, 2011)
Self - Metallurgist, Author, Why Things Break (1 episode, 2011)
Self - Cardiologist, Washington University (1 episode, 2011)
Self - Gastroenterologist, Boston University (1 episode, 2011)
Self - United States Navy (1 episode, 2011)
Self - New York City Fire Commissioner (1 episode, 2012)
Self - ECMWF (1 episode, 2012)
Self - Con Edison (1 episode, 2012)
Self - Social Media Manager FDNY (1 episode, 2012)
Self - Stormchaser (1 episode, 2012)
Self - NOAA Earth System Research Lab (1 episode, 2012)
Translation Voiceovers (1 episode, 2012)
Self - Center for Climate Sys. Research (1 episode, 2012)
Self - SUNY Stony Brook (1 episode, 2012)
Self - New York City MTA (1 episode, 2012)
Self (1 episode, 2012)
Self - Chairman & CEO NYC MTA (1 episode, 2012)
Self - Point Breeze Volunteer Fire Dept. (1 episode, 2012)
Self (1 episode, 2013)
Self - Texas Tech University (1 episode, 2013)
Self - Nurse, Oklahoma Heart Hospital (1 episode, 2013)
(1 episode, 2013)
Self - Director, National Center for Disaster Preparedness (1 episode, 2013)
Self - Teacher, Plaza Towers Elementary (1 episode, 2013)
Self (3 episodes, 2007-2014)
Self (2 episodes, 2008-2014)
Self (1 episode, 2014)
(1 episode, 2014)
Benjamin Franklin (1 episode, 2014)
(1 episode, 2015)
Self (1 episode, 2015)
Captain James Fitzjames (1 episode, 2015)
Self - Sprecher (1 episode, 2015)
Matthew Berger (1 episode, 2015)
Self - Boston College (1 episode, 2015)
Self (2 episodes, 2009-2015)
Self - Archaeologist, Brown University, Rhode Island (1 episode, 2015)
Self - Archaeoanthropologist, AFT (1 episode, 2015)
Einsterin (1 episode, 2015)
Self - Director of the American Center of Oriental Research (1 episode, 2015)
Self - Engineer, CFD Consultants International, California (1 episode, 2015)
Self - Archaeologist, Petra National Trust (1 episode, 2015)
Self - University of South Carolina (1 episode, 2015)
Self - Narrator (1 episode, 2015)
Self - Researcher, University of Oxford (1 episode, 2015)
Self - Maritime Archaeologist (1 episode, 2015)
Self - Harvard University (1 episode, 2015)
Self - Archaeologist, Centre National de la Recherche Scientifique (CNRS) (1 episode, 2015)
Self - Professor of Geosciences, University of Arkansas (1 episode, 2015)
Self - Stonemason, Hunt Studios, California (1 episode, 2015)
Self - Archeologist, University of Massachusetts Amherst (1 episode, 2015)
Self - University of Michigan (1 episode, 2015)
Self - Site Supervisor - UR (1 episode, 2015)
Self - Professor for Ancient History, George Washington University, Washington, D.C. (1 episode, 2015)
Self - Maritime Historian (1 episode, 2015)
Self - Archeologist, Brown University, Rhode Island (1 episode, 2015)
Self - Lecturer of Ancient History, Université d'Orléans (1 episode, 2015)
Narrator (1 episode, 2015)
Self - Archaeologist, Penn State Behrend College, Pennsylvania (1 episode, 2015)
Self - Professor for Archaeology, Brown University, Rhode Island (1 episode, 2015)
Self - SOAS - University of London (1 episode, 2015)
Narrator / Self (1 episode, 2016)
(1 episode, 2016)
Self (1 episode, 2016)
Self - Counterterrorism Expert (1 episode, 2016)
Self - Robotics Expert (1 episode, 2016)
Self - Director, National Counterterrorism Center (1 episode, 2016)
Omar Hammami (1 episode, 2016)
Self - University of California, Berkeley (1 episode, 2016)
Self - Expert, Countering Violent Extremism (1 episode, 2016)
Self - Assistant Attorney General for National Security (1 episode, 2016)
Self - German Institute on Radicalization and De-radicalization Studies (1 episode, 2016)
Self - Head of Global Policy Management, Facebook (1 episode, 2016)
Self - George Washington University Program on Extremism (1 episode, 2016)
Self - University of Maryland graduate student (1 episode, 2016)
Self - Former Director NYPD Intelligence Analysis (1 episode, 2016)
Self - Chief U.S. District Judge, District of Minnesota (1 episode, 2016)
Presenter / Self (1 episode, 2016)
Self - Florida Institute for Human & Machine Cognition (IHMC) Team Member (1 episode, 2016)
Self - Tennessee Div. of Archaeology (1 episode, 2016)
Self - University of Maryland (1 episode, 2016)
Self - Senior Intellegence Analyst, iBRABO (1 episode, 2016)
Self - Stanford University (1 episode, 2016)
Self - Opals Down Under (1 episode, 2016)
Self - Paleo Artist (1 episode, 2016)
Self - Author, United States of Jihad (1 episode, 2016)
Voice over (1 episode, 2017)
Self - Fmr. Undersecretary of the U.S. Army (1 episode, 2017)
Self (1 episode, 2017)
Self - Metrolink (1 episode, 2017)
Self - NTSB (1 episode, 2017)
Self - Kansai University (1 episode, 2017)
Self - Transportation Board of Canada (1 episode, 2017)
Self - Fmr. Administrator - Fed. Railroad Admin. (1 episode, 2017)
Self - Nat'l Transportation Safety Board (1 episode, 2017)
Self - Volpe Nat'l Transportation Systems Ctr. (1 episode, 2017)
Self - Transportation Technologist (1 episode, 2017)
Self - Central Japan Railway Company (1 episode, 2017)
Self - Former Board Chairman - Metrolink (1 episode, 2017)
Self - Former Locomotive Engineer (1 episode, 2017)
Self (1 episode, 2018)
Lady tasting tea (1 episode, 2018)
Self - Historian and Author (1 episode, 2018)
Self - Current Spitfire Pilot (1 episode, 2018)
Gravity Café Server (1 episode, 2018)
Self - Curator, Imperial War Museum (1 episode, 2018)
Self - Physicist (1 episode, 2018)
Self - Dunkirk Veteran (1 episode, 2018)
Self - Air Combat Historian (1 episode, 2018)
Self - Spiyfire Restorer (1 episode, 2018)
Self - Military Historian (1 episode, 2018)
Self - Mine Disposal Expert (1 episode, 2018)
Self - Massachusetts Division of Fisheries and Wildlife (1 episode, 2018)
Self - Hazard Team Lead, New Horizons Mission (1 episode, 2019)
Self - Bioarchaeologist (1 episode, 2019)
Self - Archaeologist (1 episode, 2019)
Self - Mission Scientist Juno (1 episode, 2019)
Narrator (1 episode, 2019)
Self - Principal Investigator, Mars Atmosphere and Volatile Evolution Mission (MAVEN) (1 episode, 2019)
Self - Hawaiian Volcano Observatory (1 episode, 2019)
Self - Volcanologist (1 episode, 2019)
Self - Scientist, Cassini (1 episode, 2019)
Self - US Forest Service Paleontologist (1 episode, 2019)
Self - Lunar Geologist, University of Manchester (1 episode, 2019)
Self - Head of Boatbuilding, The Viking Ship Museum (1 episode, 2019)
Self - Detectorist and Amateur Archaeologist (1 episode, 2019)
Self - Geochemist (1 episode, 2019)
Self - Geophysician and Volcanologist (1 episode, 2019)
Self - Deputy Project Scientist, Mars Reconnaissance Orbiter (1 episode, 2019)
Self - planetary scientist, New Horizons Mission (1 episode, 2019)
Self - Cartographer (1 episode, 2019)
Self - Experimental Archaeologist (1 episode, 2019)
Self - civil defence commissioner (1 episode, 2019)
Self - Principal Investigator, LCROSS, NASA (1 episode, 2019)
Self - Director of the Vesuvius Observatory (1 episode, 2019)
Self - Arizona State University (1 episode, 2019)
Self - Pathologist (1 episode, 2019)
Self - Assistant Professor, Arizona State University (1 episode, 2019)
Self - Senior Scientist, Lunar and Planetary Institute (1 episode, 2019)
Self - Leilani Estates Resident (1 episode, 2019)
Self - Space Flight Journalist (1 episode, 2019)
Magician (1 episode, 2019)
Self - Evolutionary Biochemist, University College London (1 episode, 2019)
Self - University of Toronto (1 episode, 2019)
Self - Astrophysicist, New Horizons Mission (1 episode, 2019)
Self - Co-Investigator, New Horizons (1 episode, 2019)
Self - Director, Center for Space Resources, CO School of Mines (1 episode, 2019)
Self - Planetary Scientist, UCLA (1 episode, 2019)
Self - Hawaiian Culture Expert (1 episode, 2019)
Self - Seismologist (1 episode, 2019)
Self - Scientist, Cassisi (1 episode, 2019)
Self - Navigation Team Chief, New Horizons Mission (1 episode, 2019)
Self - Paleogeneticist (1 episode, 2019)
Self - Senior Technologist, Swamp Works, NASA (1 episode, 2019)
Self - Chief Executive Officer, Astrobotic (1 episode, 2019)
Self - Investigation Scientist, Cassini (1 episode, 2019)
Self - Chief Exploration Scientist, HEOMD, NASA (1 episode, 2019)
Self - Planetary Scientist, New Horizons Mission (1 episode, 2019)
Self - Space Resources Professor, CO School of Mines (1 episode, 2019)
Self - Sharpshooter (1 episode, 2019)
Self - Historian (1 episode, 2019)
Narrator (1 episode, 2020)
Self - Narrator (1 episode, 2020)
Self - OSIRIS-REx Principal Investigator - University of Arizona (1 episode, 2020)
Self - Curator, Florida Museum (1 episode, 2020)
Self - Sprecherin (1 episode, 2020)
Self - Paleontologist, Argentina National Council of Scientific and Technical Research - Museum Egidio Feruglio CONICET- MEF Museum (1 episode, 2020)
Self - OSIRIS-REx Image Processing Lead - University of Arizona (1 episode, 2020)
Self - Paleoclimatologist, Boston College (1 episode, 2020)
Self - OSIRIS-REx Mission Operations Manager - Lockheed Martin (1 episode, 2020)
Self - OSIRIS-REx Camera Scientist - University of Arizona (1 episode, 2020)
Self - University of Colorado Boulder (1 episode, 2020)
Self - OSIRIS-REx Deputy Project Manager - NASA Goddard Space Flight Center (1 episode, 2020)
Self - Hayabusa2 Project Manager - Jaxa (1 episode, 2020)
Self - Hayabusa2 Optical Navigation Investigator - University of Tokyo (1 episode, 2020)
Self Hayabusa2 Mission Manager - Jaxa (1 episode, 2020)
Self - OSIRIS-REx Senior Systems Engineer - University of Arizona (1 episode, 2020)
Self - New York University Abu Dhabi (1 episode, 2020)
Self - Shishmaref Resident (1 episode, 2020)
Self - Research Director - CNRS (1 episode, 2020)
Self Cosmochemist - Arizone State University (1 episode, 2020)
Self - University of California, Santa Barbara (1 episode, 2020)
(1 episode, 2020)
Self - Mountain Guide (1 episode, 2020)
Self - Elder and Shishmaref Resident (1 episode, 2020)
Self - OSIRIS-REx OpNav Lead (1 episode, 2020)
Self - United States Department of the Interior, Death Valley National Park Ranger (1 episode, 2020)
Self - OSIRIS-REx Astronomy Working Group Lead - University of Arizona (1 episode, 2020)
Self - Fellow, National Museum of Natural History (1 episode, 2020)
Self - University of Massachusetts Amherst (1 episode, 2020)
Self - Sprecher (1 episode, 2020)
Self - OSIRIS-REx Spectroscopy Lead - Southwest Research Institute (1 episode, 2020)
Self - Yukon Palaeontologist (1 episode, 2020)
Self - Physicist - University of Colorado (1 episode, 2020)
Self - EYOS Expeditions (1 episode, 2020)
Self (1 episode, 2021)
Speaker (1 episode, 2021)
Narrator (1 episode, 2021)
Self - Columbia University Physicist (1 episode, 2021)
Chief of the Aviation Systems Division / Self - NASA Ames Research Center (1 episode, 2021)
Self (2 episodes, 2008-2021)
Engineer / Self - NASA Armstrong Flight Research Center (1 episode, 2021)
Self - Aviation Historian and Author (1 episode, 2021)
Self - University of Wisconsin-Madison Physicist (1 episode, 2021)
Self - Oxford University Particle Physicist (1 episode, 2021)
Self - Cornell University Astronomer (1 episode, 2021)
(1 episode, 2021)
Founder and CEO / Self - Joby Aviation (1 episode, 2021)
Self - MIT Physicist (1 episode, 2021)
Atmosphere Team, MOSAiC (1 episode, 2021)
Self - Archival Technician, Colorado (1 episode, 2021)
Self - Professor of History, Albright College (1 episode, 2021)
Ecosystem Team, MOSAiC (1 episode, 2021)
MOSAiC Expedition, Leg 2 (1 episode, 2021)
MOSAiC Expedition Leader (1 episode, 2021)
Self - Fermilab Neutrino Division Particle Physicist (1 episode, 2021)
Ice team, Remote Sensing - MOSAiC (1 episode, 2021)
Director, Business and Product Development / Self - Ampaire (1 episode, 2021)
Professor, Department of Civil and Environmental Engineering / Self - Tufts University (1 episode, 2021)
Self - Student Pilot (1 episode, 2021)
Aerospace Research Engineer / Self - NASA Ames Research Center (1 episode, 2021)
Self - Professor of Chemical Engineering (1 episode, 2021)
Self - Curator and Director, Navy Lakehurst Historical Society (1 episode, 2021)
Biogeochemistry Team, MOSAiC (1 episode, 2021)
Self - Flight Instructor (1 episode, 2021)
Self - Helicopter Pilot (1 episode, 2021)
Ice team, Snow Physicist - MOSAiC (1 episode, 2021)
MOSAiC Expedition Photographer (1 episode, 2021)
Founder / Self - H2FLY (1 episode, 2021)
MOSAiC Expedition Coordinator (1 episode, 2021)
Self - Ampaire / Senior Vice President of Global Partnerships (1 episode, 2021)
Bear Guard, MOSAiC (1 episode, 2021)
Self - Nephew of Harold Schenk (1 episode, 2021)
Chief Engineer / Self - Elroy Air (1 episode, 2021)
Captain, Kapitan Dranitsyn (1 episode, 2021)
Self - Aeronautical Engineer (1 episode, 2021)
Ecosystem Team Leader, MOSAiC Expedition (1 episode, 2021)
Self - USAF Reserve Pilot, Aviation Consultant (1 episode, 2021)
Chief Strategy Officer / Self - EHang (1 episode, 2021)
Self - Elroy Air / Vice President of Strategy and Business Development (1 episode, 2021)
President and CEO / Self - New Vision Aviation (1 episode, 2021)
Chief, Flight Operations Engineering / Self - NASA Armstrong Flight Research Center (1 episode, 2021)
Research Assistant Professor, Department of Civil and Environmental Engineering / Self - Tufts University (1 episode, 2021)
Self - Archives Director, Zeppelin Museum (1 episode, 2021)
Self - NASA Ames Research Center / Test Pilot and Engineer (1 episode, 2021)
Self - Joby Aviation Test Pilot (1 episode, 2021)
Self - Narrator (1 episode, 2022)
Narrator (1 episode, 2022)
Self - Caltech Seismologist (1 episode, 2022)
Self - narrator (1 episode, 2022)
Self - 2nd Assistant Engineer, Maersk Denver (1 episode, 2022)
Walter Mutti (1 episode, 2022)
Self - Sprecherin (1 episode, 2022)
Self - Paleontologist (1 episode, 2022)
(1 episode, 2022)
Self - Maritime Historian (1 episode, 2022)
Self - Sprecher (1 episode, 2022)
Self - Marine Accident Investigator (1 episode, 2022)
Self - Head of Navigation Control (1 episode, 2022)
Self - 2nd Officer, Maersk Denver (1 episode, 2022)
Self - Chief Architect (1 episode, 2022)
Self - Conservation Architect (1 episode, 2022)
Self - Logger (1 episode, 2022)
Self - Observatory Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Maritime expert (1 episode, 2022)
Self - NASA Administrator, 2009-2017, Major General, USMC (Ret.) (1 episode, 2022)
Self - Dep. Project Scientist, Planetary Science, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Geologist (1 episode, 2022)
Self - Health and Safety Operative (1 episode, 2022)
Self - Chief Architect of Historic Monuments (1 episode, 2022)
Self - Architect (1 episode, 2022)
Self - Engineer (1 episode, 2022)
Self - Sr. Integration Engineer, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Program Director, JWST, NASA (1 episode, 2022)
Self - Charman, Suez Canal Authority (1 episode, 2022)
Self - Operations Controller, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Exoplanet Scientist, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Maritime Expert (1 episode, 2022)
Self - Bloomberg NYC Hospitality Manager (1 episode, 2022)
Self - Optics Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Deployment Systems Lead, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Stained Glass Historian (1 episode, 2022)
Self - Bloomberg Journalist (1 episode, 2022)
Self - Maritime Rescue Center Director (1 episode, 2022)
Self - Metal Archaeologist (1 episode, 2022)
Self - Restorer (1 episode, 2022)
Host / Self (1 episode, 2022)
Self - Skyscraper Museum Founder & Director (1 episode, 2022)
Self - Deputy Director of Operations (1 episode, 2022)
Self - Instrument Systems Engineer, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Glass Worker (1 episode, 2022)
Self - Sawmill Owner (1 episode, 2022)
Self - Maritime pilot (1 episode, 2022)
Self - Scaffolder (1 episode, 2022)
Self - Forestry Technician (1 episode, 2022)
Self - Council on Tall Buildings and Urban Habitat (1 episode, 2022)
Self - Exoplanet Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Glass Conservation Scientist (1 episode, 2022)
Self - Historian (1 episode, 2022)
Self - NIRCam Principal Investigator, University of Arizona (1 episode, 2022)
Self - Glass Factory Director at Verrerie de Saint-Just (1 episode, 2022)
Self - Bloomberg Chief Administrative Officer (1 episode, 2022)
Narrator / Self (1 episode, 2022)
Self - Decontamination Specialist (1 episode, 2022)
Self - Stone Conservation Scientist (1 episode, 2022)
Self (1 episode, 2023)
Narrator (1 episode, 2023)
(1 episode, 2023)
Correspondent / Self (1 episode, 2023)
Self - scientist (1 episode, 2023)
Self - Crossrail Program Director (1 episode, 2023)
Self - Production Manager, Bombardier Transportation (1 episode, 2023)
Self - Integration Manager (1 episode, 2023)
Self - Prop Cutter, Tottenham Court Road Station (1 episode, 2023)
Self - entrepeneur (1 episode, 2023)
Self - Train Driver (1 episode, 2023)
Self - engineer (1 episode, 2023)
Self - Site Manager, Whitechapel Station (1 episode, 2023)
Self - Chief Engineer, Bombardier Transportation (1 episode, 2023)
Self - Crossrail CEO (1 episode, 2023)
Self - Site Manager Farringdon Station (1 episode, 2023)
Self - soil scientist (1 episode, 2023)
Self - Lead Platform Screen Door Engineer (1 episode, 2023)
Self - Project Construction Manager Tottenham Court Road Station (1 episode, 2023)
Self - activist (1 episode, 2023)
Self - meteorologist (1 episode, 2023)
Self - Construction Manager, Railway Systems (1 episode, 2023)
Self - chef (1 episode, 2023)
Self - rancher (1 episode, 2023)
Self - Systems Integration Manager (1 episode, 2023)
Self - Project Manager, Farringdon Station (1 episode, 2023)
Self - Head of Music, Barbican Centre (1 episode, 2023)
Self - professor (1 episode, 2023)
Self - Project Manager, Tottenham Court Road Station (1 episode, 2023)
Self - Head of System Integration (1 episode, 2023)
Self (1 episode, 2024)
Self (Park Archaelogist) (1 episode, 2024)
Self - Evolutionary Biologist (1 episode, 2024)
(1 episode, 2024)
Self - Paleontologist (1 episode, 2024)
Self - Paleogeneticist (1 episode, 2024)
Self - Postdoctroal Fellow (1 episode, 2024)
Self - American Museum of Natural History (1 episode, 2024)
Self - Astronomer, Africa Initiative for Planetary and Space Sciences (1 episode, 2024)
Self - Biologist (1 episode, 2024)
SElf (1 episode, 2024)
Self (1 episode)
High School Student (uncredited) (1 episode, 1976)
Self (uncredited) (1 episode, 1993)
Self (uncredited) (1 episode, 1995)
Self - Laboratory NCOIC (uncredited) (1 episode, 2004)
Darwin's Dog (uncredited) (1 episode, 2009)
Pianist (uncredited) (1 episode, 2009)
Society Member (uncredited) (1 episode, 2009)
Self (uncredited) (1 episode, 2011)