Filmography
| 2024 | Wyatt Earp and the Cowboy War · as Self - Historian & Author |
| 2023 | The UnBelievable with Dan Aykroyd · as Self - History Professor: Columbia University |
| 2023 | To End All War: Oppenheimer & the Atomic Bomb · as Self - History Professor, Columbia University |
| 2022 | American Dynasty · as Self - Historian |
| 2020 | The Cars That Made the World · as Self - Professor Of History, Columbia University |
| 2019 | The Food That Built America · as Self - Professor Of History: Columbia University |
| 2017 | The Cars That Made America · as Self - Historian, Columbia University |
| 2016 | Original Sin: Sex · as Self - Dept. Of History, Columbia University |
| 2016 | The American West · as SelfPå Plex |
| 2016 | Join or Die with Craig Ferguson · as Self |
| 2015 | The Making of The Mob · as Self - HistorianPå Plex |
| 2013 | How Sex Changed the World · as Self - Historian & Author |
| 2012 | 10 Things You Don't Know About · as Himself - Host |
| 2011 | Love Lust · as Self |
| 2008 | Beltway Unbuckled · as Self - Host |
| 2018 | Custer: The Final Mystery · as Consulting Producer |
| 2012 | 10 Things You Don't Know About · as Co-Producer |
| 2011 | Love Lust · as Consulting Producer |
| 2017 | |
| 2013 | Dream School · as Author, Professor, Columbia University |
| 2008 | Beltway Unbuckled · as Written By |