Alexander Armstrong and Richard Osman present a special celebrity 1980s edition of the quiz that rewards the answers that no-one else could think of. Featuring Stephanie Beacham and Emma Samms, Anne Diamond and Rustie Lee, Denise Pearson and Stedman Pearson, and Tessa Sanderson and Willie Thorne.

Alexander Armstrong and Richard Osman present a special celebrity Christmas edition of the quiz that tests the depths of your general knowledge. The celebrities trying to come up with the answers that no-one else could think of are the Chuckle Brothers, Keith Harris and Orville, Linda Lusardi and Sam Kane, and Roy Wood and Father Christmas.

Alexander Armstrong and Richard Osman present a special celebrity academic 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 Clemency Burton-Hill and Graeme Garden, Dan Snow and Susie Dent, Robert Peston and Steph McGovern, and Michael Mosley and Germaine Greer.

Alexander Armstrong and Richard Osman present a special celebrity EastEnders 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 Nitin Ganatra and Rita Simons, Peter Dean and Todd Carty, Shaun Williamson and Lucy Speed, and Shona McGarty and Tony Discipline.

Alexander Armstrong and Richard Osman present a special celebrity music 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 AliCampbell and Mike Rutherford, Keren Woodward and Sara Dallin, Ritchie Neville and Scott Robinson, and Sandie Shaw and Sheila Ferguson.

Alexander Armstrong and Richard Osman present a special record breakers' 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 Britain's tallest man and woman Neil Fingleton and Jessica Pardoe, 400m hurdles British record holder Sally Gunnell and 100m British record holder Linford Christie, Kellie Bright and Tim Bentinck from The Archers, the world's longest-running soap opera, and Andy Akinwolere and Janet Ellis, former presenters of Blue Peter, the world's longest-running children's television programme.

Alexander Armstrong and Richard Osman present a special celebrity experts edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. FeaturingRachel De Thame and Diarmuid Gavin, Jilly Goolden and Olly Smith, Simon Rimmer and Kim Woodburn, and Lee Stafford and Tommy Walsh.

Alexander Armstrong and Richard Osman present a special celebrity sitcom edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. FeaturingVicki Michelle and Ian Lavender, Simon Day and Arabella Weir, Meera Syal and Phil Cornwell, and Ewen MacIntosh and Simon Greenall.

Alexander Armstrong and Richard Osman present a special celebrity West End 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 Jodie Prenger and Gary Wilmot, Kerry Ellis and Tim Rice, Paul Nicholas and Ben Foster, and Danielle Hope and Richard Blackwood.

Alexander Armstrong and Richard Osman present a special celebrity period drama 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 Colin Baker and Simon Williams, Helen George and Pam Ferris, Martin Jarvis and Nerys Hughes, and Matthew Kelly and Christopher Timothy.

Alexander Armstrong and Richard Osman present a special celebrity world champions 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 Joe Calzaghe and Phil Taylor, Phil Vickery and Ravi Bopara, Sir Geoff Hurst and Sarah Storey, and Sophie Hosking and Helen Glover.

Alexander Armstrong and Richard Osman present a celebrity edition of the quiz in which four teams try to come up with the answers that no-one else could think of. Featuring Oliver and James Phelps, Peter Purvesand John Noakes, Janet Street-Porter and Christopher Biggins, and Ricky Groves and Natalie Cassidy.

A special edition of the quiz, featuring stars from the culinary world. These celebrities try to come up with the answers that no-one else could think of.

Presented by Alexander Armstrong and co-host Richard Osman. Featuring Rustie Lee and Antony Worrall Thompson, Theo Randall and Rachel Allen, Jean Christophe Novelli and Paul Rankin and Aaron Craze and John Whaite.

A special edition of the quiz, featuring celebrities from the world of radio. Four pairs of radio DJs and presenters must try to come up with the answers that no-one else could think of.

Featuring Scott Mills and Gemma Cairney, Ken Bruce and Anneka Rice, Michael Buerk and Jenny Eclair, and Shelagh Fogarty and Christian O'Connell.

Alexander Armstrong and co-host Richard Osman present a special sitcom-themed edition of the quiz that tests the depths of your general knowledge, as celebrities try to come up with the answers that nobody else could think of.

Featuring Craig Charles and Danny John-Jules, Brendan O'Carroll and Jennifer Gibney, Su Pollard and Jeffrey Holland and Jean Boht and Nick Conway.

Alexander Armstrong and co-host Richard Osman present a special celebrity Doctor Who edition of the quiz that tests the depths of your general knowledge, as guests from the world of Doctor Who try to come up with the answers that nobody else could think of.

Featuring Bernard Cribbins and Jacqueline King, Andrew Hayden-Smith and Nicola Bryant, Sylvester McCoy and Sophie Aldred, and Louise Jameson and Frazer Hines.

Alexander Armstrong and co-host Richard Osman present a sporting celebrity special edition of the quiz that tests the depths of your general knowledge, as celebrities try to come up with the answers that no-oneelse could think of.

Featuring Martin Offiah and Phil Tufnell, Mark Bright and Martin Peters, Samantha Murray and Pete Reed and John Parrott and Hazel Irvine.