Original Air Date Friday 2 December 2011, First aired on BBC Two Panel Host Stephen Fry Panellists Alan Davies Jo Brand Phill Jupitus David Mitchell Watch Clips QI | When Was Time Immemorial? 31 May: On this day in 1859, the Big Ben clock started keeping time. From QI Series I, Episode 13 - 'Intelligence' With Jo Brand, Phill Jupitus, David Mitchell and Alan Davies For more visit http://qi.com QI | Who Cracked Enigma? QI | ASIMO