Narrator / Self (8 episodes, 2006-2010)
Self / Bren (5 episodes, 2008-2010)
Self - Science Team Leader (4 episodes, 2008-2010)
Self (4 episodes, 2008-2010)
Self (3 episodes, 2007-2010)
Self - Surefire (3 episodes, 2008-2010)
HHimself (2 episodes, 2010)
(1 episode, 2008)
Self (1 episode, 2008)
Self - 5th Degree Chinese Kenpo and Self-Defense Instructor (1 episode, 2008)
Self - CEO TASER International (1 episode, 2008)
Self - Medical and Self-Defense Expert (1 episode, 2008)
Self (1 episode, 2010)
(1 episode, 2010)
Self - Capoeira (unknown episodes)
Self (unknown episodes)
Self - Martial Artist: Wing Chun (unknown episodes)
Self - Martial Artist: Katana (unknown episodes)
Self - Martial Artist: Wushu (unknown episodes)
Self - Martial Artist: Kali (unknown episodes)
Self - Martial Artist (unknown episodes)
Self - Martial Artist: Karate (unknown episodes)
Self - Martial Artist: Gracie Jiu-Jitsu (unknown episodes)
Self - Martial Artist: Muay Thai (unknown episodes)
Self - Martial Artist: Breaking (unknown episodes)
Self - Technical Assistant and Weapons Expert (unknown episodes)
Self - Martial Artist: Boxing (unknown episodes)