Matt Baker, Alex Jones, Ed Byrne, Lucy Porter, Craig Revel Horwood, Ann Widdecombe, John McCririck and Jenny McCririck

Stuart Baggs, Chris Hollins, Colin Jackson, Carol Kirkwood, Merily McGivern, Suzanne Packer, Joanna Riley, Lembit Öpik

Sarah Cawood, Charlotte Hawkins, Eamonn Holmes, Denise Lewis, Sam Nixon, Tom O'Connor, Mark Rhodes, Michael Underwood

Vanessa Feltz, Russell Kane, Dawn Porter, Ben Ofoedu, Susanna Reid, Charlie Stayt, Dick & Dom

Christopher Biggins, Jon Culshaw, Monica Galetti, Lesley Joseph, Michel Roux Jr, Penny Smith, Joe Swash.

Brian Blessed, Ben-Ryan Davies, Georgia Henshaw, Bill Oddie, Chris Packham, Claire Sweeney, Anthea Turner

Edith Bowman, Rick Edwards, Esther Rantzen, Paul Ross, Dennis Taylor, John Thomson, John Virgo, Rebecca Wilcox

Chuckle Brothers, Sherrie Hewson, Carol McGiffin, Katharine Merry, Arlene Phillips, Iwan Thomas

Andrew Castle, David Coulthard, Jake Humphrey, Lucy Speed, Shaun Williamson, Aldo Zilli

Matt Allwright, Sharron Davies, Dani Harmer, Ricky Norwood, Joe Pasquale, Lucy Siegle, Chucky Venn, Fatima Whitbread

Antony Costa, Russell Grant, Christine Hamilton, Neil Hamilton, Helen Lederer, Liz McClarnon, Carol Smillie, Harriet Thorpe

Angellica Bell, Lionel Blair, Konnie Huq, Colin McAllister, Steve Pemberton, Angela Rippon, Justin Ryan, Sam Stockman

Natasha Hamilton, Sinitta, Liz McClarnon, Scott Mills, Chico, Huw Stephens, Faye Tozer, Ian 'H' Watkins

Bobby Ball, Tommy Cannon, Paul Daniels, Bobby Davro, Gareth Hale, Keith Harris & Orville, Kenny Lynch, Norman Pace

John Altman, Steve Arnold, Dean Gaffney, Darren Jeffries, Matt Littler, Ken Morley, Johnny Robinson , Dean Sullivan, Paul Usher

Toby Anstis, The Cheeky Girls, Phil Daniels, Alex James, Kirsten O'Brien, Tricia Penrose, Debra Stephenson

Brendan Cole, Kate Garraway, Chelsee Healey, James Jordan, Ola Jordan, Chris Parker, Laila Rouass, Ian Waite

Tony Blackburn, David Hamilton, Austin Healey, Ulrika Jonsson, Scott Quinnell , Rowland Rivron, Karen Taylor, Tim Vine

Diane Abbott, Ellie Crisell, Edwina Currie, Kerry Katona, Jane McDonald, Lizo Mzimba, Dave Spikey, Kim Woodburn

Joe McElderry, Nicki Chapman and Pete Waterman guest in a special edition of the quiz.

Stephen K Amos, Toyah Wilcox and Katie Derham guest in a special edition of the quiz.

Jenny Eclair, Lee Dixon and Sian Lloyd guest in a special edition of the quiz

Jennie Bond, JK and Joel and Mary Berry guest in a special edition of the quiz.

Ray Quinn, Paul Young and Chris Kamara guest in a special edition of the quiz.

Gareth Thomas, Rachel Riley and Mark Durden Smith guest in a special edition of the quiz.

Michelle Heaton, Neil Fox and Emma Forbes guest in a special edition of the quiz.

Nicholas Parsons, Rick Wakeman and Hannah Waterman guest in a special edition of the quiz.

Gyles Brandreth, Bonnie Langford and Bernie Nolan guest in a special edition of the quiz.

Janice Long, Graham Cole and Eddie Edwards guest in a special edition of the quiz.

Children's TV stars including Sarah Greene and Peter Duncan test their general knowledge.

Soap stars including Anna Karen, Adele Silva and Rula Lenska test their general knowledge.

A sporting celebrity special edition of the quiz, with Phil Tufnell and Martin Offiah.

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

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

Radio DJs and presenters including Scott Mills and Anneka Rice take part in the quiz.

Top chefs Rachel Allen, Jean Christophe Novelli, Paul Rankin and Rustie Lee take part.

Christopher Biggins, Natalie Cassidy, Ricky Groves, Tammy Jung, John Noakes, Jessica Pardoe, James Phelps, Oliver Phelps, Peter Purves, Janet Street-Porter

Joe Calzaghe and Phil Taylor, Phil Vickery and Ravi Bopara, Sir Geoff Hurst and Sarah Storey, and Sophie Hosking and Helen Glover.

Colin Baker and Simon Williams, Helen George and Pam Ferris, Martin Jarvis and Nerys Hughes, and Matthew Kelly and Christopher Timothy.

Featuring Jodie Prenger and Gary Wilmot, Kerry Ellis and Tim Rice, Paul Nicholas and Ben Foster, and Danielle Hope and Richard Blackwood.

Vicki Michelle and Ian Lavender, Simon Day and Arabella Weir, Meera Syal and Phil Cornwell, and Ewen MacIntosh and Simon Greenall.

Rachel De Thame and Diarmuid Gavin, Jilly Goolden and Olly Smith, Simon Rimmer and Kim Woodburn, and Lee Stafford and Tommy Walsh.

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.

Ali Campbell and Mike Rutherford, Keren Woodward and Sara Dallin, Ritchie Neville and Scott Robinson, and Sandie Shaw and Sheila Ferguson.

Jennie McAlpine and Justin Moorhouse, Kate Robbins and Alistair McGowan, Katy Hill and Trey Farley, and Mark Little and Ted Robbins.

A special celebrity EastEnders edition featuring Nitin Ganatra and Rita Simons, Peter Dean and Todd Carty, Shaun Williamson and Lucy Speed, and Shona McGarty and Tony Discipline.

Contestants include Graeme Garden, Dan Snow, Susie Dent, Robert Peston and Germaine Greer.

1980s edition with Stephanie Beacham, Anne Diamond, Rustie Lee and Willie Thorne.

Blue Peter edition with Peter Purves, Janet Ellis, Anthea Turner and Barney Harwood.

Theatrical edition with David Bradley, Warwick Davis, Jenny Seagrove and Connie Fisher.

Teachers edition including Gwyneth Powell, Michelle Gayle, Melanie Hill and Mike Steer.

Featuring Anna Karen and Sally Thomsett, Ed Stewart and Sally James, Rick Wakeman and Roy Wood and Madeline Smith and Paul Henry.

A special celebrity medical edition featuring Ian Bleasdale and Sunetra Sarker, Duncan Preston and Nichola McAuliffe, Ian Kelsey and Paul Bradley and Dr Sarah Jarvis and George Layton.

A special celebrity comedy edition featuring Tim Brooke-Taylor and John Bird, Don Warrington and Ray Burdis, Dom Joly and Robert Llewellyn, and Rhona Cameron and Richard Herring.

Crime-themed edition with Lisa Maxwell, Mark Wingett, Sue Cook and Donal MacIntyre.

Eurovision-themed edition with Johnny Logan, Dana, Cheryl Baker and Mike Nolan.

A special celebrity World Cup edition featuring Sir Geoff Hurst MBE and George Cohen MBE, Peter Shilton and Steve Bull, Graeme Le Saux and Jonathan Pearce, and Hope Powell and Casey Stoney.

Celebrity edition of the quiz in which contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers no-one else can think of. Presented by Alexander Armstrong and Richard Osman.

A special celebrity edition featuring Lesley Joseph and Linda Robson, Ronni Ancona and Phil Cornwell, Su Pollard and Ruth Madoc and Josh Widdicombe and Sara Pascoe.

A special celebrity soaps edition featuring Laila Morse and Nina Wadia, Claire King and Deena Payne, Stefan Dennis and Rebekah Elmaloglou and Ray Quinn and Louis Emerick.

A special celebrity music edition featuring Mark King and Toyah Wilcox, Carol Decker and Limahl, Dave Hill and Dave Bartram and Antony Costa and Scott Robinson.

A special celebrity food and drink edition featuring Oz Clarke and Jilly Goolden, John Burton-Race and Aldo Zilli, Loyd Grossman and Jay Rayner and Emma Kennedy and Sean Wilson.

A special celebrity kids' TV edition featuring Johnny Ball and Carol Chell, Dave Benson-Phillips and Pat Sharp, Andrew Agnew and Julie Wilson Nimmo, and Jim Howick and Ben Willbond.

A special celebrity theatre edition featuring Simon Callow and Imogen Stubbs, Lysette Anthony and Christopher Timothy, Gwen Taylor and Keith Barron, and Claire Sweeney and Simon Shepherd.

A special celebrity 1990s edition featuring Ulrika Jonsson and Diane Youdale, Trevor Neal and Simon Hickson, Terry Christian and Katie Puckrik and Richard and Fred Fairbrass of Right Said Fred.

A special celebrity experts edition featuring Professor Alice Roberts and Dick Strawbridge, Eric Knowles and Mark Stacey, Nicky Clarke and Michael Douglas, and Martin Hughes-Games and Michaela Strachan.

A special celebrity radio edition featuring Dame Jenni Murray and Tim Bentinck, Liz Kershaw and David 'Kid' Jensen, Ken Bruce and Trevor Nelson and Huw Stephens and Sarah-Jane Crawford.

A special news celebrity edition featuring Kate Adie and Stanley Johnson, Kelvin MacKenzie and John Sergeant, Julia Hartley-Brewer and Nick Ferrari and Jon Sopel and Lucy Siegle.

A special celebrity edition featuring Anton Du Beke and Kate Garraway, Bonnie Langford and Todd Carty, Yvette Fielding and Mark Watson and Jon Culshaw and Debra Stephenson.

A special celebrity writers edition featuring Robert Llewellyn and Dominic Holland, Rod Liddle and John Cooper Clarke, Val McDermid and Allison Pearson and Michael Rosen and Muriel Gray.

A special celebrity edition featuring Vanessa Feltz and Penny Smith, Kriss Akabusi and Roger Black, Keith Chegwin and Andrew Castle and Louie Spence and Carol McGiffin.

A special celebrity sport edition featuring Dennis Taylor and Bobby George, Ugo Monye and Phil Vickery, Sharron Davies and Louise Hazel and Dwain Chambers and Gail Emms.

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. Featuring British film actors Phil Daniels and Leslie Ash, Keith Allen and Clare Grogan, Vas Blackwood and Thomas Turgoose, and Sally Thomsett and Phil Cornwell.

Alexander Armstrong and Richard Osman present a special celebrity test match 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 Graeme Swann and Alison Mitchell, Michael Vaughan and Phil Tufnell, Melinda Farrell and Jonathan Agnew, and Ebony Rainford-Brent and Henry Blofeld.

Featuring Nigel Planer and Doon Mackichan, the Chuckle Brothers, Adil Ray and Kevin Eldon, and Nerys Hughes and Jeremy Dyson.

Featuring Anthea Turner and Andy Crane, Justin Fletcher and Gemma Hunt, Dave Benson-Phillips and Gareth Jones, Sally James and Geoffrey Hayes.

Alexander Armstrong and Richard Osman present 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. Featuring Louise Wener and Kate Humble, Mary Peters and Jayne Torvill, Tony Hawks and Henry Kelly, and Gareth Hale and Norman Pace.

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.

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 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.

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 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 Sinitta and Jaymi Hensley, Vernie Bennett and Easther Bennett, Claire Richards and Ian 'H' Watkins and Tony Christie and Ben Adams.

Alexander Armstrong and Richard Osman present a special celebrity Halloween 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 Ruth Madoc and Russell Grant, Jedward, Louie Spence and Rory McGrath, and Linda Lusardi and Chico.

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 food and drink 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 Ed Baines and Paul Rankin, Richard Burr and Frances Quinn, Tony Singh and Cyrus Todiwala, and Jean-Christophe Novelli and Jo Pratt.

Alexander Armstrong and Richard Osman present a special celebrity Formula One 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 Allan McNish and Claire Williams, Murray Walker and Nigel Mansell, Christian Horner and Suzi Perry, and David Coulthard and Mark Webber.

Alexander Armstrong and Richard Osman present a special business edition of the general knowledge quiz in which four teams of celebrities 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 Jacqueline Gold and Richard Farleigh, Tim Campbell and Saira Khan, Michelle Mone and Declan Curry, and Peter Ratcliffe and Jeff Salmon.

Alexander Armstrong and Richard Osman present a special family edition of the general knowledge quiz in which four teams of celebrities 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 Louis Theroux and Nancy Strang, Michael Underwood and Angellica Bell, Calum Best and Angie Best and Gary Lineker and Harry Lineker.

Alexander Armstrong and Richard Osman present a special celebrity reality 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 Ruth Badger and Solomon Akhtar, Carl Fogarty and Jimmy Bullard, Craig Phillips and Nikki Grahame, and Jamie Laing and Alex Mytton.

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.

Alexander Armstrong and Richard Osman present a special celebrity comedy 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 Simon Day and Paul Chowdhry, Emily Atack and Ian Lavender, Kerry Godliman and Graeme Garden and Steve Pemberton and Bob Mortimer.

Alexander Armstrong and Richard Osman present a special celebrity edition of the quiz in which teams try to come up with the answers that no-one else could think of.

Alexander Armstrong and Richard Osman present a special celebrity fashion 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 Brix Smith-Start and Jonathan Phang, Amy Childs and Sam Faiers, Grace Woodward and Brendan Courtney, and Lee Stafford and Nicky Clarke.

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 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 Toby Anstis and Jenni Falconer, Janice Long and Bob Harris, Peter White and Steve Punt and Steve Penk and Angie Greaves.

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 Helen Fraser and Victoria Alcock, Roberta Taylor and Chris Ellison, Arthur Bostrom and Mina Anwar, and Dominic Littlewood and Matt Allwright.

A special Eurovision 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 Johnny Logan and Linda Martin, Natalie Powers and Russ Spencer, Jenny Frost and Sophie McDonnell, and Bucks Fizz.

A special Euro 2016 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 Stephanie Roche and Kevin Kilbane, Danny Gabbidon and Jason Mohammad, Neil Lennon and Iain Dowie, and Gabby Logan and Steve Wilson.

A special celebrity Olympic golds 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 Aled Davies and Tessa Sanderson, David Wilkie and Dame Mary Peters, Jason Gardener MBE and Marlon Devonish MBE, and Tanni Grey-Thompson and Sally Gunnell.

A special celebrity comedies 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 Pauline McLynn and Hugh Dennis, Adil Ray and Charlie Higson, Vicki Michelle and Richard Gibson, and Tina Malone and Jean Fergusson.

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 Tim Vine and Terry Alderton, Tracy-Ann Oberman and David Schneider, Reverend Richard Coles and Julia Hartley-Brewer, and Arthur Smith and Arlene Phillips.

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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Fish and Barbara Dickson, Nick Heywood and Toyah Wilcox, Heather Small and Mari Wilson, and Jessica Taylor and Kelli Young.

A special celebrity impressionists 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 Alistair McGowan and Ronni Ancona, Jon Culshaw and Jan Ravens, Rory Bremner and Matt Forde, and Francine Lewis and Danny Posthill.

A special celebrity Strictly 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 Brendan Cole and Sophie Ellis-Bexter, Chris Hollins and Russell Grant, Aliona Vilani and Jay McGuinness, and Anton Du Beke and Erin Boag.

A special celebrity News 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 Alexander Armstrong and co-host Richard Osman, and featuring Alastair Stewart and Charlene White, Emily Maitlis and Nick Robinson, Piers Morgan and Susanna Reid, Rageh Omaar and Cathy Newman.

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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring John O'Farrell and Emma Kennedy, Kathy Lette and Kate Mosse, Benjamin Zephaniah and Roger McGough, and Terry Deary and Bryony Gordon.

A celebrity edition of the quiz with Chris Packham, Martin Hughes-Games, Tom Heap, Jules Hudson, Miranda Krestovnikoff, Paul Heiney, Naomi Wilkinson and Bill Oddie.

A special celebrity 1970s 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 Babs Powell and Dee Dee Wilde, John Conteh and Alan Mullery, Michael Keating and Jacqueline Pearce, and Martin Lee and Sandra Stevens.

A 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 Hal Cruttenden and Justin Moorhouse, Rhona Cameron and Sean Hughes, Jeremy Hardy and Francesca Martinez, Robert Webb and Isy Suttie.

A celebrity journalists 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 Moore and Kevin O'Sullivan, Miranda Sawyer and Tony Parsons, Toby Young and Melissa Kite, and Lizo Mzimba and Frank Gardner.

Alexander Armstrong and Richard Osman present a special celebrity Sports Personality of the Year 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 Jayne Torvill and Geoff Thomas, Paula Radcliffe and Dame Mary Peters, Robin Cousins and Fatima Whitbread, and Maggie Alphonsi and Greg Rusedski.

A special celebrity Christmas edition of the quiz, with Lesley Joseph, Duncan James, Faye Tozer, Bobby Davro, Joe Pasquale, Wendi Peters and Keith Chegwin.

A special celebrity Radio 2 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 Jo Whiley and Jeremy Vine, Zoe Ball and Michael Ball, Ken Bruce and Anneka Rice, Vanessa Feltz and Craig Charles. Plus, a performance from Mika.

A special celebrity food and drink 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 Brian Turner and Fay Maschler, Jilly Goolden and Olly Smith, Sophie Grigson and Michael Caines, Cyrus Todiwala and Tony Singh.

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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Kieran Long and Piers Taylor, Martin Roberts and Amanda Lamb, Vicki Butler-Henderson and Tiff Needell, and John Hammond and Laura Tobin.

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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Rev Richard Coles and Diane-Louise Jordan, Nancy Dell'Olio and Matt Barbet, Sharron Davies and Mark Foster, and Gyles Brandreth and Susan Calman.

Celebrity edition of the quiz, with Guy Henry, Rosie Marcel, Vicki Pepperdine, Ricky Grover, Ranj Singh, Hilary Jones, Charles Dale and Amanda Henderson.

Celebrity edition of the quiz, with Mick Foster, Tony Allen, Pauline Black, Harvey, Jonathan Ansell, Faryl Smith, Lee Latchford-Evans and Michelle Heaton.

Families: Celebrity edition of the quiz, with Richard and Chloe Madeley, JB and Chloe Gill, Fern Britton and Grace Jones, and Keavy and Edele Lynch.

International celebrity edition of the quiz, with Jimmy Osmond and Kym Mazelle, Jedward, Nancy Lam and Sam Simmons, and Ossie Ardiles and Guillem Balague.

Celebrity talent shows edition of the quiz, with Richard Park, David Grant, Ben Forster, Danielle Hope, Patti Boulaye, Nina Myskow, Ashleigh and Pudsey and Jamie Raven

Comedy edition of the quiz, with Andi Osho, Holly Walsh, Kevin Eldon, Dave Jones, Barry Cryer, Omid Djalili, Stephen Frost and Helen Atkinson-Wood

A musicals edition of the quiz, with Tim Rice, Don Black, Siobhan Dillon, Connie Fisher, Claire Sweeney, Nigel Planer, Cory English and Phill Jupitus.

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. Presented by Alexander Armstrong and co-host Richard Osman.Featuring Liz Pichon and Pam Ayres, Quentin Letts and Yasmin Alibhai-Brown, Jill Mansell and Jimmy McGovern, and Mark Watson and Owen Jones.

A special celebrity 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. Presented by Alexander Armstrong and co-host Richard Osman.Featuring Callum Smith and Anthony Crolla, Kelly Sotherton and Ashia Hansen, Neil Robertson and Ken Doherty, and Vicky Gomersall and Charlotte Jackson.

A special celebrity arts and culture 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-hostRichard Osman. Featuring Paul Morley and Annie Nightingale, Katie Derham and Will Gompertz, Tim Marlow and Janet Street-Porter, and Richard Stilgoe and Meera Syal.

A writers edition, with Charlie Higson and Sally Gardner, Fern Britton and Jilly Cooper, Peter James and Martina Cole, and Hanif Kureishi and Grace Dent.

A drama actors 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 Danny John-Jules and Nigel Lindsay, Liz Carr and Lisa Hammond, Trudie Goodwin and Lisa Maxwell, and Bill Maynard and Tricia Penrose.

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, and featuring Denise van Outen and Lydia Bright, Michelle Ackerley and Arthur Smith, Ann Widdecombe and Tyger Drew-Honey, and Foster and Allen.

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 theatre actors 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 Wayne Sleep and Louise Dearman, Neil Dudgeon and Annette Badland, Gary Wilmot and Rufus Hound, and Roy Hudd and Anita Harris.

An EastEnders edition, featuring Natalie Cassidy, Dean Gaffney, Perry Fenwick, Emma Barton, Lisa Hammond, Luisa Bradshaw-White, Jamie Borthwick and Madhav Sharma.

A comedy 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 Rowland Rivron and Simon Day, Hal Cruttenden and Zoe Lyons, Jan Ravens and Stephen K Amos, and Rich Hall and Sara Pascoe.

A Strictly Come Dancing 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 Katya Jones and Joe McFadden, Debbie McGee and Giovanni Pernice, Ore Oduba and Oti Mabuse, and Lesley Joseph and AJ Pritchard.

A BBC Music Day edition of the quiz, featuring Shaun Keaveny, Lianne La Havas, Ella Eyre, Clara Amfo, Suzy Klein, Lesley Garrett, Amy McDonald and Chris Hawkins.

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 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. Presented by Alexander Armstrong and co-host Richard Osman, and featuring Chemmy Alcott, James Cracknell, Sally Gunnell, Greg Rutherford, Sam Quek, Greg Rusedski, Eni Aluko and Neil Ruddock.

A sitcoms edition of the quiz, featuring Nerys Hughes, Victor McGuire, Shobu Kapoor, Abdullah Afzal, Guy Siner, Sue Hodge, Perry Benson and Jake Canuso.

A sci fi edition of the quiz, featuring Hattie Hayridge, Jessie Cave, Peter Davison, Katy Manning, Paul Darrow, Michael Keating, Kiran Shah and Jimmy Vee.

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 special edition of the quiz, featuring Luisa Omielan, Jenny Powell, John Barnes, Rick Edwards, Sally Phillips, Nina Conti, Joe Pasquale and Terry Alderton.

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 Glen Matlock, Slim Jim, Barbara Dickson, Ralph McTell, Keith Duffy, Brian McFadden, Sonique and Toyah Wilcox.

A special 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. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Dave Hill and Rob Davis, Sally Lindsay and Roger McGough, Sonia and Jamelia, and Keren Woodward and Sara Dallin.

A TV experts edition of the general knowledge quiz with Michael Fish, Carrie Grant, David Grant, Adam Hart-Davis, Mary-Ann Ochota, Martin Roberts, Charlie Ross, Catherine Southon.

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

A special 1970s edition of the quiz, with David Jensen, Les McKeown, Diane Keen, Martin Jarvis, Robin Askwith, Liza Goddard, Isla St Clair and Patti Boulaye.

A special celebrity edition of the quiz, with Rickie Haywood-Williams and Melvin Odoom, Carol Smillie and Andrea Mclean, Katy Brand and Su Pollard, and Syd Little and Eddie Large.

Alexander Armstrong and Richard Osman present a special comedy 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 Ralph Ineson, John Thomson, Janine Duvitski, Tony Maudsley, Melvyn Hayes, Stuart McGugan, Vicki Pepperdine and Rosie Cavaliero.

Alexander Armstrong and Richard Osman present a special edition of the quiz featuring big names from the world of science, including Rick Edwards, Michael Brooks, Mark Thompson, Maggie Aderin-Pocock, Heather Couper, Nigel Henbest, Dallas Campbell and Lucie Green.

Alexander Armstrong and Richard Osman present a special Radio 2 edition of the quiz, featuring Craig Charles, Gary Davies, Jo Whiley, Trevor Nelson, Ken Bruce, Angela Scanlon, Rev Kate Bottley and Jason Mohammad. Also featuring a special performance by Rick Astley.

A special journalists edition of the general knowledge quiz, featuring Owen Jones, Paris Lees, Kay Burley, Adam Boulton, Carole Malone, Quentin Letts, Amol Rajan and Victoria Derbyshire.

A BBC Music Day edition featuring Tom Ogden, Ray BLK, Shaun Ryder, Rowetta, Ricky Wilson, Will Young, Naughty Boy, Lesley Garrett and a special performance by Blossoms.

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

A special food and drink 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, with contestants Ken Hom, Ching-He Huang, Candice Brown, Atul Kochhar, Andi Oliver, Michael O'Hare, Matt Tebbutt and Olly Smith.

A special musicals 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, with contestants Rufus Hound, Trevor Dion Nicholas, Ria Jones, Sophie Evans, Carley Stenson, John Owen-Jones, Jodie Prenger and Denise van Outen.

A Halloween edition featuring Richard Blackwood, Joe Swash, Sam Nixon, Mark Rhodes, Yvette Fielding, Timmy Mallett, Anne Diamond and Kate Lawler.

A writers edition featuring Laurence Marks, Maurice Gran, Terry Deary, Eve Pollard, Jojo Moyes, Jeffery Deaver, Peter James and Dreda Say Mitchell.

A special family edition featuring Ade Edmondson, Beattie Edmondson, Helen Richardson-Walsh, Kate Richardson-Walsh, Dr Ranj Singh, Min Singh, Mark Steel and Elliot Steel.

Contestants include Rachel Fairburn, Kiri Pritchard-McLean, Cannon and Ball, Gloria Hunniford, Angela Rippon, Lindsey Russell and Radzi Chinyanganya.

A St Andrew's Day special featuring Gordon Kennedy, Jack Docherty, Max Evans, Chris Iwelumo, Phyllis Logan, Fish, Michelle McManus and Kaye Adams.

A special edition marking Sports Personality of the Year 2019. Presented by Alexander Armstrong and co-host Richard Osman, with participants Ama Agbeze, Greg Rusedski, Eddie Izzard, Hannah Cockcroft, Rebecca Adlington, Michael O'Neill, Jayne Torvill and Robin Cousins. Featuring a guest appearance by the 2018 Sports Personality of the Year, Geraint Thomas.

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

A children's TV special featuring Paul Chuckle, Dani Harmer, Gwyneth Powell, George Christopher, Hacker and Dodge T Dog, Andy Day and Cerrie Burnell.

A celebrity soaps edition featuring Davood Ghadami, James Bye, Sharon Maughan, Tina Hobley, Steven Arnold, Julia Haworth, Julie Peasgood and Louis Emerick.

A comedians edition featuring Sofie Hagen, Jenny Eclair, Cariad Lloyd, Darren Harriott, Nish Kumar, Ed Gamble, Simon Evans and Geoff Norcott.

A special episode featuring Tanni Grey-Thompson, David Wilkie, Matthew Hoggard, Graeme Swann, Jo Pavey, Ade Adepitan, Helen Glover and Heather Stanning.

Four teams of celebrity experts try to come up with the answers that no-one else could think of. Presented by Alexander Armstrong and co-host Richard Osman with contestants Dr Zoe Williams, Dr Hilary Jones, Joe Swift, Rachel De Thame, Francis Wilson, Alex Beresford, Linda Barker and Judi James.

A 1970s-themed 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 with contestants Valerie Leon, Mick Miller, Steve Harley, Mike Batt, John H Stracey, Tina Charles, Zandra Rhodes and Britt Ekland.

A celebrity Wales 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, with contestants Di Botcher, Charles Dale, Colin Jackson, Shane Williams, Lucie Jones, John Owen-Jones, Ruth Madoc and Sophie Evans.

An Ireland-themed edition featuring Foster and Allen, Pauline McLynn, Henry Kelly, Vogue Williams, Clodagh McKenna, Anna Haugh and Jimmy Cricket.

Featuring John Shuttleworth, Rev Kate Bottley, Robin Askwith, Sue Jenkins, Gyles Brandreth, Baga Chipz, Rachel Yankey and Faye White.

A 1980s-themed episode featuring Tommy Boyd, Andy Crane, Brinsley Forde, Denise Pearson, Linda Lusardi, Vicki Michelle, Jan Leeming and John Kettley. With a special performance from Jason Donovan.

A special family 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, with contestants Andi Oliver, Miquita Oliver, Gareth Malone, Jamie Malone, Kate Robbins, Molly Robbins, Claire Richards and Reece Hill.

A Eurovision special featuring Jay Aston, Mike Nolan, SuRie, Dana, Jade Ewen, John Lundvik, Niamh Kavanagh and Mans Zelmerlow.

A special sci-fi and fantasy edition of the general knowledge quiz in which four teams try to come up with answers that no-one else could think of. Presented by Alexander Armstrong and co-host Richard Osman, with contestants Sophie Aldred, Carole Ann Ford, Josh Herdman, Louis Cordice, Sandra Dickinson, John Duttine, Kiran Shah and Clive Mantle.

A sitcoms special featuring Richard Gibson, Kim Hartman, Ewen Macintosh, Patrick Baladi, Nina Wadia, Abdullah Afzal, Perry Benson and Jeffrey Holland.

A writers special featuring Martina Cole, Mark Billingham, Liz Pichon, Nick Sharratt, Juno Dawson, Nadia Shireen, Adam Kay and Ian McMillan.

A special Olympics edition featuring Anthony Ogogo, Helen Glover, Matthew Pinsent, James Cracknell, Nick Skelton, JJ Chalmers, Jeanette Kwakye and Mark Foster.

Four teams of journalists try to come up with answers that no-one else could think of. Presented by Alexander Armstrong and co-host Richard Osman, with contestants James O'Brien, Cathy Newman, Dermot Murnaghan, Natasha Kaplinsky, Ella Whelan, Nigel Nelson, Kevin Maguire and Isabel Oakeshott.

Featuring four teams of celebrity couples, including Izzy and Harry Judd, Nik and Eva Speakman and Dan Renton Skinner and Olivia Lee.

A music-themed edition featuring Patti Boulaye, YolanDa Brown, JB Gill, Blaze Bayley, Dave Bartram, Jess Conrad, Dan Donovan and Brix Smith Start.

Featuring Patsy Kensit, Jake Canuso, Jenny Hanley, David Hamilton, Chris Jarvis, Pui Fan Lee, Andrea McLean and Linda Robson.

A comedians special featuring Ed Byrne, Jessie Cave, Dane Baptiste, Shazia Mirza, Angela Barnes, Rich Hall, Patrick Monahan and Junior Simpson.

Featuring Dominic Littlewood, Jenni Falconer, Nikki Fox, Susannah Streeter, Paul Ross, Nick Hancock, Mark Durden-Smith and Kate Thornton.

A special family edition featuring Marcus and Helen Brigstocke, David and Frankie Seaman, Naughty Boy and Aisha Khan, and Toby and Fia Tarrant.

A sitcoms-themed episode featuring Tim Healy, Maggie Ollerenshaw, Kerry Godliman, Tom Basden, Mina Anwar, Serena Evans, Judy Cornwell and Jeremy Gittins.

A special current affairs edition of the general knowledge quiz. Featuring John Pienaar, Ayesha Hazarika, Iain Dale, Jacqui Smith, Camilla Tominey, Rachel Johnson, Martin Bell and Michael Fabricant.

A music special featuring Lee Thompson, Pauline Black, Steve Brown, Barbara Dickson, Kimberly Wyatt, Cathy Dennis, Heather Small and Steve Hogarth.

A sci-fi and fantasy special, featuring Matthew Waterhouse, Louise Jameson, David Graham, Sophia Myles, Jimmy Vee, Lauren Socha, Madeline Smith and Stephanie Beacham.

A food special, featuring Brian Turner, Stacie Stewart, Chris Bavin, Sabrina Ghayour, Jay Rayner, Loyd Grossman, Rick Stein and Jack Stein.

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

A comedians edition featuring Catherine Bohart, Rachel Parris, Ivo Graham, Elis James, Milton Jones, Stephen K Amos, David O'Doherty and Rose Matafeo.

With Dianne Buswell, Max George, Sally Phillips, Milton Jones, John Barnes, Dave Beasant, Jodie Kidd and Lisa Snowdon. Featuring a special performance from Paul Heaton and Jacqui Abbott.

A radio-themed edition featuring Johnnie Walker, Sally Boazman, Stuart Maconie, Elizabeth Alker, Scott Mills, Chris Stark, Vick Hope and Harriet Scott.

A special episode featuring impressionists Debra Stephenson, Luke Kempner, Jan Ravens, Ronni Ancona, Rory Bremner, Jess Robinson, Steve Nallon and Josh Berry.

A special writers edition featuring Steve Cavanagh, Paul Tonkinson, Emma Kennedy, Jen Brister, Kate Mosse , Adele Parks, Chris Riddell and Lemn Sissay.

Featuring Chris Hollins, Dallas Campbell, Phil Daniels, Levi Roots, Lou Sanders, Jayde Adams, Lucy Porter and Dave Johns. Presented by Alexander Armstrong and Richard Osman.

A special Blue Peter edition featuring Ayo Akinwolere, Mark Curry, Zoe Salmon, Simon Thomas, Mwaka Mudenda, Richie Driss, Katy Hill and Tim Vincent.

A special edition featuring Mike Nolan, Toyah Willcox, Dr Linda Papadopolous, Dr Zoe Williams, Nathan Caton, Suzi Ruffell, Anthony Costa and Shaun Williamson.

Featuring Matthew Wright, Rav Wilding, Paul Martin, Holly Hamilton, Mark Lane, Janet Street-Porter, Martin Roberts and Fee Mak.

Featuring Dr Christian Jessen, Dr Ranj Singh, Matt Richardson, Andrew Maxwell, Katie Thistleton, Michelle Ackerley, Mark Moraghan and Tina Hobley.

An Olympics- and Paralympics-themed episode featuring Jazz Carlin, Alice Tai, James Cracknell, Dame Katherine Grainger, Denise Lewis, Derek Redmond, Greg Rutherford and Christine Ohuruogu.

A Strictly special featuring Richard Coles, Anton Du Beke, Luba Mushtuk, Anneka Rice, Sunetra Sarker, Jacqui Smith, Lauren Steadman and Emma Weymouth.

Featuring Cheryl Baker, Anne Diamond, Kate Thornton, Denise van Outen, Duncan James, Rory Bremner, Kae Kurd and Kriss Akabusi.

A special edition featuring members of So Solid Crew, Hear'Say, Boyzone, Westlife and Atomic Kitten.

A special edition featuring Matthew Pinsent, Sam Quek, Geoff Norcott, Kerry Howard, Rachel Parris, Marcus Brigstocke, Valentine Warner and Michelle Collins.

A special edition featuring Nina Conti, Tim Vine, Denis Lawson, Rosie Marcel, Shazia Mirza, Sara Barron, John Pienaar and Joanna Gosling.

A celebrity special featuring Leslie Ash, Lucy Benjamin, Todd Carty, Robin Ince, Josie Long, Joe McElderry, Claire Sweeney and Nina Wadia.

A sitcoms special featuring Robert Llewellyn, Nigel Planer, Helen Monks, Steven Woodcock, Isy Suttie, Martin Trenaman, Jamie-Lee O'Donnell and Saoirse-Monica Jackson.

A special episode featuring Sean Fletcher, the Rev Kate Bottley, Mark Chapman, Clare Balding, Oti Mabuse, Giovanni Pernice, Joe Swash and JB Gill.

Featuring four family teams: James and David Acaster, Steve Cram and Allison Curbishley, Chris Packham and Megan McCubbin, and Anyika and Iffy Onuora.

A special episode featuring cooks Alex Hollywood, Nancy Lam, Suzie Lee, Hugh Fearnley-Whittingstall, Liam Charles, Shivi Ramoutar, Rahul Mandal and Ellis Barrie.

A kids TV special featuring De'Graft Mensah, Shanequa Paris, Pat Sharp, Jayne Middlemiss, Andy Day, Philippa Forrester, Ortis Deley and Rani Price.

A special edition featuring soap stars Adjoa Andoh, John Altman, Nick Cochrane, Paul Usher, Tricia Penrose, Denise Black, Jennifer Ellison and Ann Marie Davies.

Featuring radio presenters Jenni Murray, Samira Ahmed, OJ Borg, Gary Davies, Melvin Odoom, Rickie Haywood-Williams, Snoochie Shy and Nadia Jae.

A food edition of the chefs quiz with chefs and cookery presenters Penny Smith, Sean Wilson, Romy Gill, Kwoklyn Wan, Paul Rankin, Ed Baines, Briony May-Williams and Kim-Joy Hewlett.

A special edition featuring Greg McHugh, Kimberley Nixon, Dominic Holland, Ninia Benjamin, Max George, Tom Parker, Dom Joly and Ria Lina.

A family edition featuring Ali Bastian, David O'Mahoney, Becky Downie, Ellie Downie, Sam Kane, Linda Lusardi, Gaynor Morgan and Willie Morgan.

A celebrity special featuring Patsy Kensit, Sheree Murphy, Hal Cruttenden, Daliso Chaponda, Edwina Currie, Henry Bonsu, Janette Manrara and Karen Hauer.

A special edition featuring sporting stars Gus Fraser, Mike Gatting, Suzi Perry, Jules Breach, Bianca Walkden, Bianca Williams, Phil Vickery and Mark Foster.

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

A sport edition featuring Steve Backley, Roger Black, Kelly Sotherton, Sally Gunnel, Ashia Hansen, Jo Pavey, Martin Offiah and Gareth Chilcott.

A special celebrity edition featuring Iain Stirling, Marek Larwood, Kitty Scott-Claus, Vanity Milan, Shaparak Khorsandi, Johnny Vegas, Bhavna Limbachia and Victoria Ekanoye.

A special cricket 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, with contestants Alison Mitchell, Andy Zaltzman, Devon Malcolm, Graham Gooch, Georgie Heath, Fran Wilson, Graeme Swann and Mark Ramprakash.

A 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, with contestants Gemma Bissix, Rita Simons, Verona Rose, Bobby Seagull, Cally Beaton, Thanyia Moore, William Hanson and Jordan North.

A soaps edition featuring Louis Emerick, Tristan Gemmill, Natalie Anderson, Anna Nightingale, Kieron Richardson, Kirsty-Leigh Porter, Bobby Davro and Nitin Ganatra.

A special episode featuring broadcasters Arielle Free, Toby Anstis, Sonny Jay, Josie D'Arby, Neev Spencer, Colin Murray, Elis James and John Robins.

A special 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. Presented by Alexander Armstrong and co-host Richard Osman, with contestants Nicky Clarke, Lowri Turner, Dr Milad Shadrooh, Dr Bolu Eso, Jonty Hearnden, Roo Irvine, Amber Butchart and Micaela Sharp.

With Tessa Sanderson, Iwan Thomas, Ray Mears, Laura Lexx, David Tag and Jazmine Franks.

A special 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 Jake Quickenden, Marcel Somerville, Ben Ofoedu, Jo O'Meara, Carol Decker, Leee John, Celena Cherry and Mariama Goodman.

With Nick Hewer, Katya Jones, Aimee Fuller, Katharine Merry, Michael Whitehall, Alice Dearing, Tom Stade and Athena Kugblenu.

A special BBC Centenary 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, with contestants Tony Blackburn, Scott Mills, Dr Maggie Aderin-Pocock, Prof Chris Lintott, Peter Purves, Lindsey Russell, Shanequa Paris, Mobeen Azhar and Baroness Floella Benjamin.

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

A special edition featuring Tim Key, Alex Horne, Tommy Walsh, Eboni Usoro-Brown, Sharron Davies, Rhea Bailey, Diarmuid Gavin and Natalie Jamieson.

A celebrity special edition featuring Sheila Ferguson, Glenn Moore, Roxy Shahidi, Sonia, Dave Berry, Manish Bhasin, Katherine Dow Blyton and Richie Anderson.

A celebrity special featuring Jo Wood, Brix Smith Start, Ed Gamble, Nish Kumar, Robert Peston, Anita Anand, Mark-Francis Vandelli and Emma Thynn.

A special episode featuring news presenters Cathy Newman, Keme Nzerem, Lucrezia Millarini, Nina Nannar, Mike Bushell, Kasia Madera, Jennie Bond and Nicholas Owen.

A special episode, with comedians Rosie Holt, Nabil Abdulrashid, Shaparak Khorshandi, Mark Steel, Lou Sanders, Luke McQueen, Amy Gledhill and Chris Cantrill.

A celebrity edition of the quiz featuring Tomasz Schafernaker, Owain Wyn Evans, Kerry Godliman, Toussaint Douglass, Nicki Chapman, Kelli Young, Jeremy Edwards and Lucy Dixon.

A celebrity special featuring Lesley Garrett, Penny Lancaster, Noreen Khan, Eshaan Akbar, Laurie Brett, John Partridge, James King and Rosie Millard.

A celebrity special featuring Mari Wilson, Jaki Graham, Ruthie Henshall, Kerry Ellis, Carrie Grant, David Grant, Nicola Stephenson and Charlie Condou.

A celebrity 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, and featuring Chelsee Healey, Anthony Quinlan, Sophie Duker, Jenny Bede, Ugo Monye, Danny Care, Beverley Craven and Patti Boulaye

Special Pointless Celebrities Series 15 A celebrity 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, with contestants Sunil Patel, Helen Bauer, George Robinson, Rukku Nahar, Andy Goldstein, Tazmin Outhwaite, Katrina Ridley and Alex Mansuroglu.

A special Eurovision edition of the general knowledge quiz, in which four teams try to come up with the answers that no-one else could think of. AJ Odudu, Richie Anderson, Antony Costa, Jay Aston, Eimear Quinn, Linda Martin, Daði Freyr and Måns Zelmerlöw are the contestants.

A celebrity special edition featuring Phil Tufnell, Mark Butcher, Cece Lightfoot, Pooja Shah, Chris McCausland, Sarah Keyworth, Ritchie Neville and Scott Robinson.

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

With Robin Windsor, Joanne Clifton, Khadijah Mellah, Greg Rusedski, Margie Cooper, Raj Bisram, Luke Kempner and Rachel Fairburn.

With Jim Rosenthal, Tom Rosenthal, Sonnaz Nooranvary, Brenton West, Kadeena Cox, Lauren Steadman, Mark Wingett and Trudie Goodwin.

With Antony Costa, Megan McKenna, Natasha Raskin Sharp, Danny Sebastian, Ruby Bhogal, Shelina Permalloo, Jan Ravens and Alfie Brown.

Presented by Alexander Armstrong and co-host Richard Osman. Featuring Colin Salmon, Chizzy Akudolu, Rosie Marcel, Belinda Owusu, Des Clarke, Martel Maxwell, Harriet Thorpe and La Voix.

A celebrity special edition featuring Brendan Cole, Lauren Oakley, Mark Watson, Ignacio Lopez, Terri Dwyer, Dawn Hope, Mwaksy Mudenda and Barney Harwood.

A celebrity special edition featuring David Seaman MBE, Frankie Seaman, Dr Alex George, Dr Sara Kayat, Eddie Kadi, Slim, Chemmy Alcott and Sarah Lindsay.

A celebrity special edition featuring Sherrie Hewson, Lisa Maxwell, Christine Ohuruogu, Bianca Williams, Luba Mushtuk, Wayne Sleep, Priya Hall and Leila Navabi.

A celebrity special edition featuring Nihal Arthanayake, Dermot Murnaghan, Richie Anderson, Donna Preston, Faye Brookes, Bethannie Hare, Kemah Bob and Tiff Stevenson.

Celebrities Debbie Wiseman, Alan Titchmarsh, Sarah Stevenson, Ashley McKenzie, Scarlette Douglas, Stuart Douglas, Pandora Christie and Toby Tarrant compete to take away the coveted Pointless trophy.

The celebrities competing for the Pointless trophy are Ellis Hollins, Laiesha Mistry, Candice Brown, Jimi Famurewa, Desiree Henry, Colin Jackson, Georgia Toffolo and Stanley Johnson.