Acting
Horrible Histories
2009
Horizon
1964 · Presenter
The One Show
2006 · Self
Who Do You Think You Are?
2004
Irresistible: Why We Can't Stop Eating
2024 · Self
Royal Institution Christmas Lectures
1966 · Himself
Operation Ouch!
2012 · Himself - Presenter
What Are We Feeding Our Kids?
2021 · Presentor
Operation Iceberg
Celebrity Mastermind
2003
The Human Body: Secrets of Your Life Revealed
2017 · Self
The Doctor Who Gave Up Drugs
2016 · Self - Presenter
How to Stay Young
Surviving the Virus: My Brother & Me
2020 · Self
The Twinstitute
2019 · Himself - Presenter
What's the Right Diet for You? A Horizon Special
2015 · Himself - Presenter
HealthCheck UK Live
2020 · Himself - Presenter
The Truth About Calories
2015 · Presenter
2019 · Creator
