A celebrity special edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. Presented by Alexander Armstrong and co-host Richard Osman, with contestants Dr Christian Jessen, Dr Ranj Singh, Matt Richardson, Andrew Maxwell, Katie Thistleton, Michelle Ackerley, Mark Moraghan and Tina Hobley.

A Strictly special featuring Richard Coles, Anton Du Beke, Luba Mushtuk, Anneka Rice, Sunetra Sarker, Jacqui Smith, Lauren Steadman and Emma Weymouth.