Alexander Armstrong and Richard Osman present a special celebrity edition of the quiz that rewards the answers that no-one else could think of. Featuring Anne Diamond and Nick Owen, Jedward, Mark Foster and Kelly Sotherton and Katherine Ryan and Russell Kane.

Richard Arnold, Kate Garraway, Naga Munchetty, Charlie Stayt, Fern Britton, Matthew Wright, Dermot Murnaghan and Natasha Kaplinsky feature in a Morning TV edition.

A celebrity outdoors edition of the quiz presented by Alexander Armstrong and Richard Osman, with contestants including Bill Oddie, Helen Skelton and Radzi Chinyanganya.

Celebrity game show edition of the quiz presented by Alexander Armstrong and Richard Osman, with contestants including Gyles Brandreth, Ulrika Jonsson and Nick Hancock.

A celebrity edition of the quiz that tests the depths of general knowledge, presented by Alexander Armstrong and Richard Osman.