Season 1
- 1Episode 16 Oct 2009
- 2Episode 213 Oct 2009
- 3Episode 320 Oct 2009
- 4Episode 427 Oct 2009
- 5Episode 53 Nov 2009
- 6Episode 610 Nov 2009
- 7Episode 717 Nov 2009
- 8Episode 824 Nov 2009
It's Only A Theory sees various highly qualified professionals and experts submitting their theories about life, the universe and everything for scrutinisation by a panel of two comedians and a guest celebrity. After a thorough examination by the panel, a final decision is taken on whether the theory is worth keeping.