

2009–2009 · BBC Four · Ended
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.
Tuesday at 22:00 (Europe/London)
This series has ended.
Last aired
S01E08 · Episode 8
2009-11-24
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Browse #itsonlyatheory on Instagram →Episode 1
2009-10-06 · 30 min
Episode 2
2009-10-13 · 30 min
Episode 3
2009-10-20 · 30 min
Episode 4
2009-10-27 · 30 min
Episode 5
2009-11-03 · 30 min
Episode 6
2009-11-10 · 30 min
Episode 7
2009-11-17 · 30 min
Episode 8
2009-11-24 · 30 min
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