Filmography
| 2024 | Defending Europe (TV Series) · as Self - Presenter |
| 2024 | |
| 2022 | History: The Interesting Bits (TV Series) · as Self |
| 2021 | Churchill (2021) (TV Series) · as Self - Historian And Author |
| 2019 | 10 Mistakes that Sank the Titanic · as Self - Historian |
| 2019 | War Factories (TV Series) · as Self - Historian |
| 2019 | London: 2,000 Years of History (TV Series) · as Self - Historian |
| 2017 | The Great War in Numbers (TV Series) · as Self - Author, Somme |
| 2015 | Lusitania: 18 Minutes That Changed the World · as Self - Author & Historian |
| 2015 | What on Earth? (TV Series) · as Self - Military Historian |
| 2012 | WWI's Tunnels of Death: The Big Dig (TV Series) · as Self |
| 2010 | Fighting the Red Baron · as Self - Historian |
| 1982 | Timewatch (TV Series) · as Self |
| 1974 | NOVA (TV Series) · as Self - Historical Researcher |