1 Season
8 Episode
It's Only a Theory - Season 1 Episode 1 Episode One
The guest celebrity is sports presenter Clare Balding and the experts are Dr Aubrey de Grey and Lucy Beresford.
- Year: 2009
- Country:
- Genre: Comedy
- Studio: BBC Four
- Keyword:
- Director: Andy Hamilton
- Cast: Andy Hamilton, Reginald D. Hunter