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

A special family edition of the quiz, with Vanessa Feltz, Ben Ofoedu, Shaun Ryder, Joanne Ryder, Les Dennis, Steph O'Neil, Paul Chowdhry and Darshan Chowdhry.

Contestants include Michael Sheen, Steve Pemberton, Mark Benton and Jess Robinson, Anita Harris, Bobby Crush, Neil Ruddock and Steve McMahon.

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 presenters edition of the quiz, featuring Trisha Goddard and Katie Derham, Johnny Vaughan and Toby Tarrant, Anne Diamond and Sarah Greene, and Adam Pearson and Chris Hollins.

A special 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 James Acaster, Joel Dommett, Tom Allen, Ellie Taylor, Alex Horne, Isy Suttie, Ava Vidal and Marlon Davis.

A sitcoms 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. Featuring Kerry Howard, Neil Stuke, Robert Duncan, Susannah Doyle, Brigit Forsyth, James Baxter, Simon Greenall and Pauline McLynn.

A kids' TV presenters 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, and featuring Timmy Mallett and Michaela Strachan, Bernard Cribbins and Jenny Hanley, Andy Crane and Janet Ellis, and JB Gill and Cat Sandion.

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 Jennie McAlpine, Phil Tufnell, Luisa Zissman, James Hill, Steve Leonard, Trude Mostue, Marcel Somerville and Amber Davies.

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 Gail Emms, Matthew Hoggard, Bonnie Langford, Frazer Hines, Dalton Grant, Charlie Stayt, Helen Lederer and Shaun Williamson.

A special 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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Richard Madeley, Dreda Say Mitchell, John O'Farrell, Lise Mayer, Jenny Colgan, Jane Fallon, Richard Stilgoe and Don Black.

A special Christmas edition featuring Aled Jones, Russell Watson, Ben Cohen, Kristina Rihanoff, Kriss Akabusi, Shakira Akabusi, Jamie Laing and Sophie Habboo.

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 Keith Chegwin and Iain Lee, Lisa Maxwell and Rav Wilding, Helen Lederer and Nicholas Parsons, and Antony Costa and Michelle Heaton.

A special edition featuring TV doctors Simon Shepherd, Chris Steele, Amy Robbins, Robert Daws, William Beck, Sunetra Sarker, Sara Kayat, Ranj Singh.

With Anton Du Beke, Emma Barton, Will Kirk, Lucia Scalisi, Eric Knowles, Caroline Hawley, YolanDa Brown and Jonathan Ansell.

Alexander Armstrong and Richard Osman present a special celebrity Radio 1 and Radio 1Xtra 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 Clara Amfo and Trevor Nelson, Yasmin Evans and Greg James, Chris Stark and Scott Mills, and Dev Griffin and Sarah-Jane Crawford.

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.

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 journalists edition of the quiz, featuring Eve Pollard, Victoria Derbyshire, Dan Wootton, Lizo Mzimba, Rosie Boycott, Frank Gardner, Ian Hyland and Jane Moore.

A Christmas special featuring Christopher Biggins, Paul Zerdin, Gary Wilmot, Michelle Collins, Debbie McGee, Richard Cadell with Sooty, Faye Tozer and Duncan James.

A special comedy edition featuring Olga Koch, Chloe Petts, Arabella Weir, Jon Culshaw, Ted Robbins, Justin Moorhouse, Neil Delamere and Loyiso Gola.

A 1990s-themed edition featuring Tamara Beckwith, Saffron Sprackling, Clare Buckfield, John Pickard, Mr Motivator, Diane Youdale, Nick Moran and Vas Blackwood.