Alexander Armstrong and Richard Osman present a special children's TV edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. Featuring Anthea Turner and Andy Crane, Justin Fletcher and Gemma Hunt, Dave Benson-Phillips and Gareth Jones, Sally James and Geoffrey Hayes.

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

Featuring Ben Cohen and Kyran Bracken, Zoe Salmon and Dani Harmer, Patrick Baladi and Ewen MacIntosh and Cheryl Fergison and Ricky Groves.