A special Doctor Who edition of the quiz, with guests including Sylvester McCoy.

Alexander Armstrong and Richard Osman present a special celebrity writers 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 Germaine Greer and Kathy Lette, Mark Billingham and Val McDermid, Mark Watson and Ian McMillan, and Freya North and Tony Parsons.

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

A special celebrity TV winners 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. Featuring Jane Devonshire, Simon Wood, Yasmina Siadatan, Lee McQueen, Sam Bailey, Michelle McManus, Jermaine Jackson and George Sampson.

A special celebrity Christmas edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. The show is presented by Alexander Armstrong and co-host Richard Osman, and it features Justin Hawkins and Dan Hawkins, Gareth Malone and Samantha Stevenson, Jimmy Osmond and Ben Haenow, as well as Mike Batt and Jona Lewie. There is also a festive performance by The Darkness at the end of the show.

A special celebrity academia 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. Featuring Dr John Cooper Clarke and Suzannah Lipscomb, Mark Horton and Alice Roberts, Maggie Aderin-Pocock and Jim Al-Khalili, and Robin Ince and Kate Williams.

A special celebrity 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. Featuring Bob Harris and Chris Difford, Kerry Godliman and Miles Jupp, Jenny Eclair and Linda Robson, Debbie McGee and Angelos Epithemiou.

A special celebrity famous voices 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. Featuring Brenda Longman and John Leeson, Peter Dickson and Jon Briggs, Redd Pepper and Marcus Bentley, and Felicity Finch and Emerald O'Hanrahan.

A special celebrity noughties 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. Featuring Lisa Maffia and Romeo, Gail Emms and Audley Harrison, David Spinx and Susie Amy, and Katy Brand and Brian Belo.

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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Steve Davis and Sarah Ayton, Trina Gulliver and Eric Bristow, Kriss Akabusi and John Regis, Steve Collins and Jayne Torvill.

A special celebrity comedians edition featuring Ronni Ancona and Alistair McGowan, Robert Webb and Richard Herring, Hal Cruttenden and Dave Spikey and Milton Jones and Roisin Conaty.

A special celebrity soaps 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.Featuring Kevin Kennedy and Amanda Barrie, Shaun Williamson and Paul Henry, Chris Bisson and Adele Silva, and Gemma Merna and Nicole Barber-Lane.

A special celebrity comedians 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. Featuring Sarah Millican and Gary Delaney, Jack Carroll and Terry Alderton, Lee Hurst and Arthur Smith, and Helen Lederer and Cariad Lloyd.

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.

A special celebrity 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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Sarah Greene and John Craven, Richard McCourt and Dominic Wood, Cerrie Burnell and Ben Faulks, and Sue Devaney and Richard Holian.

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

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.

Celebrity version of the quiz, with Kate Williams, Adam Hart-Davis, Janina Ramirez, Andrew Graham-Dixon, Ben Willbond, Laurence Rickard, Lars Tharp and Tim Wonnacott.

Alexander Armstrong and Richard Osman present a special celebrity child stars 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 Tyger Drew-Honey and Thomas Turgoose, Lee MacDonald and Erkan Mustafa, Michelle Gayle and Adam Rickitt, Julie Dawn Cole and Mark Lester.

Alexander Armstrong and Richard Osman present a special celebrity FA Cup 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 Eni Aluko and Guy Mowbray, Kevin Kilbane and Mark Chapman, Dan Walker and Mark Lawrenson and Rachel Yankey and Kelly Smith.

Alexander Armstrong and Richard Osman present a special health and fitness edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. With contestants Dr Dawn Harper and Dr Pixie McKenna, Robin Cousins and Rosemary Conley, Iwan Thomas and Katharine Merry, and Dr Chris Steele and Lizzie Webb.

Alexander Armstrong and Richard Osman present a special soap 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 Swash and John Altman, Nick Pickard and Ali Bastian, Victoria Bush and Zaraah Abrahams, and Sharon Maughan and Tina Hobley.

Alexander Armstrong and Richard Osman present a special sport 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 Willie Thorne and Tony Jacklin, Andy Fordham and Deta Hedman, Tessa Sanderson and Derek Redmond, and Nick Easter and Martin Offiah.