Wallace (6 episodes, 2010)
Self - Narrator (6 episodes, 2010)
Self - Science Correspondent (6 episodes, 2010)
Goronwy (6 episodes, 2010)
Self - Optics Expert (1 episode, 2010)
Self - Inventor (1 episode, 2010)
Self - Escape Systems Technician (1 episode, 2010)
Self - Spacesuit Historian (1 episode, 2010)
Self - Designer (1 episode, 2010)
Self - Test Pilot (1 episode, 2010)
Self - Bee Scientist (1 episode, 2010)
Self - Engineer (1 episode, 2010)
Self (1 episode, 2010)
Self - Communications Expert (1 episode, 2010)
Self - Rocket Engineer (1 episode, 2010)
Self - Teasmade Collector (1 episode, 2010)
Self - Theoretical Physicist (1 episode, 2010)
Self - Loughborough University (1 episode, 2010)
Self - Engineer Festo (1 episode, 2010)
Self - Lightcraft Scientist (1 episode, 2010)
Self - Head of Bionics, Festo (1 episode, 2010)
Self - Jetpack Enthusiast (1 episode, 2010)
Self - Retired Patent Examiner, IPO (1 episode, 2010)
Itself (1 episode, 2010)
Self - Arthur Pedrick's Neighbour (1 episode, 2010)
Self - Inventor of the Magenn Air Rotor (1 episode, 2010)
Self - Brunel Expert (1 episode, 2010)
Self - Bristol Robotics (1 episode, 2010)
Self - Aerospace Engineer, MIT (1 episode, 2010)
Self - Mesmer Foundation (1 episode, 2010)
Self - Kinetic Sculptor (1 episode, 2010)
Self - Pigeon Keeper (1 episode, 2010)
Self - Medical Engineering Expert (1 episode, 2010)