Acting
MovieIrresistible: Why We Can't Stop Eating
2024
as Self
MovieWhat Are We Feeding Our Kids?
2021
as Presentor
MovieSurviving the Virus: My Brother & Me
2020
as Self
TVHealthCheck UK Live
2020
as Himself - Presenter
TVThe Twinstitute
2019
as Himself - Presenter
TVThe Human Body: Secrets of Your Life Revealed
2017
as Self
TVThe Doctor Who Gave Up Drugs
2016
as Self - Presenter
How to Stay Young
2016
as Self - Presenter
TVWhat's the Right Diet for You? A Horizon Special
2015
as Himself - Presenter
TVOperation Iceberg
2012
as Himself - Presenter
TVOperation Ouch!
2012
as Himself - Presenter
TVHorrible Histories
2009
TVThe One Show
2006
as Self
TVWho Do You Think You Are?
2004
TVCelebrity Mastermind
2003
TVRoyal Institution Christmas Lectures
1966
as Himself
TVHorizon
1964
as Presenter
