Horrible Histories
2009
Horizon
1964
Presenter
The One Show
2006
Self
Who Do You Think You Are?
2004
La verdad sobre la comida procesada
2024
Royal Institution Christmas Lectures
1966
Himself
La verdad sobre la obesidad infantil
2021
Presentor
Surviving the Virus: My Brother & Me
2020
Operation Ouch!
2012
Himself - Presenter
Operation Iceberg
Celebrity Mastermind
2003
The Human Body: Secrets of Your Life Revealed
2017
The Doctor Who Gave Up Drugs
2016
Self - Presenter
The Twinstitute
2019
What's the Right Diet for You? A Horizon Special
2015
HealthCheck UK Live
