Self - Presenter (15 episodes)

Self - Narrator (8 episodes)

Self - TV Host/Historian (8 episodes)

Self - TV Host/Historian (8 episodes)

Self -  Historian (7 episodes)

Self - Jeopardy! Champion (7 episodes)

Self - Astrophysicist/Author (6 episodes)

Self - Historian (5 episodes)

Self - Professor of American Studies (5 episodes)

Self - Professor of History (3 episodes)

Self - Professor of Biblical Studies (1 episode)

Executive Producer (8 episodes)

Line Producer (8 episodes)