Overview: Featuring John Shuttleworth, Rev Kate Bottley, Robin Askwith, Sue Jenkins, Gyles Brandreth, Baga Chipz, Rachel Yankey and Faye White.
Overview: 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.
Overview: 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.
Overview: A Eurovision special featuring Jay Aston, Mike Nolan, SuRie, Dana, Jade Ewen, John Lundvik, Niamh Kavanagh and Mans Zelmerlow.
Overview: 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.
Overview: A sitcoms special featuring Richard Gibson, Kim Hartman, Ewen Macintosh, Patrick Baladi, Nina Wadia, Abdullah Afzal, Perry Benson and Jeffrey Holland.
Overview: A writers special featuring Martina Cole, Mark Billingham, Liz Pichon, Nick Sharratt, Juno Dawson, Nadia Shireen, Adam Kay and Ian McMillan.
Overview: A special Olympics edition featuring Anthony Ogogo, Helen Glover, Matthew Pinsent, James Cracknell, Nick Skelton, JJ Chalmers, Jeanette Kwakye and Mark Foster.
Overview: 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.
Overview: Featuring four teams of celebrity couples, including Izzy and Harry Judd, Nik and Eva Speakman and Dan Renton Skinner and Olivia Lee.
Overview: A music-themed edition featuring Patti Boulaye, YolanDa Brown, JB Gill, Blaze Bayley, Dave Bartram, Jess Conrad, Dan Donovan and Brix Smith Start.
Overview: Featuring Patsy Kensit, Jake Canuso, Jenny Hanley, David Hamilton, Chris Jarvis, Pui Fan Lee, Andrea McLean and Linda Robson.
Overview: A comedians special featuring Ed Byrne, Jessie Cave, Dane Baptiste, Shazia Mirza, Angela Barnes, Rich Hall, Patrick Monahan and Junior Simpson.
Overview: Featuring Dominic Littlewood, Jenni Falconer, Nikki Fox, Susannah Streeter, Paul Ross, Nick Hancock, Mark Durden-Smith and Kate Thornton.
Overview: A special family edition featuring Marcus and Helen Brigstocke, David and Frankie Seaman, Naughty Boy and Aisha Khan, and Toby and Fia Tarrant.
Overview: A sitcoms-themed episode featuring Tim Healy, Maggie Ollerenshaw, Kerry Godliman, Tom Basden, Mina Anwar, Serena Evans, Judy Cornwell and Jeremy Gittins.
Overview: 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.
Overview: A music special featuring Lee Thompson, Pauline Black, Steve Brown, Barbara Dickson, Kimberly Wyatt, Cathy Dennis, Heather Small and Steve Hogarth.
Overview: A sci-fi and fantasy special, featuring Matthew Waterhouse, Louise Jameson, David Graham, Sophia Myles, Jimmy Vee, Lauren Socha, Madeline Smith and Stephanie Beacham.
Overview: A food special, featuring Brian Turner, Stacie Stewart, Chris Bavin, Sabrina Ghayour, Jay Rayner, Loyd Grossman, Rick Stein and Jack Stein.
Overview: A 1990s-themed edition featuring Tamara Beckwith, Saffron Sprackling, Clare Buckfield, John Pickard, Mr Motivator, Diane Youdale, Nick Moran and Vas Blackwood.
Overview: A comedians edition featuring Catherine Bohart, Rachel Parris, Ivo Graham, Elis James, Milton Jones, Stephen K Amos, David O'Doherty and Rose Matafeo.
Overview: 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.
Overview: A radio-themed edition featuring Johnnie Walker, Sally Boazman, Stuart Maconie, Elizabeth Alker, Scott Mills, Chris Stark, Vick Hope and Harriet Scott.
Overview: A special episode featuring impressionists Debra Stephenson, Luke Kempner, Jan Ravens, Ronni Ancona, Rory Bremner, Jess Robinson, Steve Nallon and Josh Berry.
Overview: A drama-themed edition featuring Hugh Fraser, Philip Jackson, Julia Brown, Arthur Darvill, Philip Franks, Cathy Tyson, Trudie Goodwin and Cathy Shipton.
Overview: A special episode featuring former child stars, including Adrian Hall, Sally Thomsett and Julie Dawn Cole.
Overview: A writers edition featuring Jane Fallon, Fiona Neill, Nadia Shireen, Conn Iggulden, Richard Madeley, Tim Weaver and Jill Mansell.
Overview: Featuring stars of classic kids' TV, including Peter Purves, Lesley Judd, Jane Tucker, Freddy Marks, Dave Benson Phillips, Mike Read, Kirsten O'Brien and Terrence Hardiman.
Overview: A Casualty-themed edition featuring Di Botcher, George Rainsford, Ian Bleasdale, Sue Devaney, Azuka Oforka, James Redmond, Clive Mantle and Julia Watson.
Overview: Presented by Alexander Armstrong and Richard Osman. Featuring Gok Wan MBE, Brian Conley, Richard 'Dick' McCourt, Dominic 'Dom' Wood, Libby Clegg MBE, Stef Reid MBE, Stephen K Amos and Zoe Lyons.
Overview: A football-themed edition featuring Chloe Morgan, Jenna Schillaci, Peter Shilton, Paul Parker, Jackie McNamara, John Hartson, Rachel Brown-Finnis and David James.
Overview: A special stand-up comedy edition of the general knowledge quiz, with Rosie Jones, Miles Jupp, Russell Kane, Lucy Beaumont, Rhys James, Lloyd Griffith, Phil Wang and Sindhu Vee.
Overview: Featuring Bonnie Langford, Arthur Smith, Annabel Giles, Tony Hawks, Diane-Louise Jordan, Melinda Messenger, Les Dennis and Richard Herring.