- Panel Show
- BBC Four
- 8 (1 series)
- Andy Hamilton
- Andy Hamilton and Reginald D. Hunter
- Paul Wheeler
- Adam King, Giles Pilbrow, Katie Taylor and Richard Wilson
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.
Will humans soon be able to live forever? Are teenagers the secret of mankind's success? Is smell the key to sexual attraction? It's Only A Theory sees highly qualified professionals and experts submitting these theories and more to Andy Hamilton, Reginald D Hunter, plus a guest.
The guest theory inspectors are Deputy Leader of the Liberal Democrats Vince Cable; BBC sports presenter and journalist Clare Balding; journalist and sports presenter Dermot Murnaghan; Newsnight presenter Kirsty Wark; and Woman's Hour presenter Martha Kearney.
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