Mankind Decoded (2013)

 Himself - Narrator (11 episodes, 2013)

 Himself - National Museum of Civil War Medicine (9 episodes, 2013)

 Himself - Editor-in-Chief, Popular Mechanics (9 episodes, 2013)

 Himself - Editor-in-Chief, Popular Mechanics (9 episodes, 2013)

 William Parsons (1 episode, 2013)

 Himself - New York Presbyterian Hospital (5 episodes, 2013)

 Himself - Militarian Historian (8 episodes, 2013)

 Himself - Military Expert & Former Navy Seal (7 episodes, 2013)

 Himself - Editor-in-Chief, Make (5 episodes, 2013)

 Himself - University of British Columbia (6 episodes, 2013)

 Himself - Author, A Fighter's Heart (7 episodes, 2013)

 Himself - Stanford University (5 episodes, 2013)

 Himself - Stanford University (6 episodes, 2013)