8 Out of 10 Cats Does Countdown

Guest captain David Walliams and Jonathan Ross take on Jon Richardson and Joe Lycett. Isy Suttie joins Susie Dent in Dictionary Corner, while Rachel looks after the letters and numbers.

Guest captain Lee Mack and Catherine Tate vs Sean Lock and Miles Jupp. John Cooper Clarke joins Susie Dent in Dictionary Corner, and Rachel Riley looks after the letters and numbers.

Guest captain David Walliams and Jessica Hynes take on Jon Richardson and Rhod Gilbert. Sam Simmons is in Dictionary Corner, with Susie Dent and Rachel Riley.

Guest captain Lee Mack and Bob Mortimer take on Sean Lock and Victoria Coren Mitchell. Alex Horne and the Horne Section join Dictionary Corner, with Susie Dent and Rachel Riley.

Jimmy Carr hosts with guest captain Richard Ayoade and Rob Beckett vs Jon Richardson and Claudia Winkleman. Adam Riches joins Dictionary Corner, with Susie Dent and Rachel Riley.

Jimmy Carr hosts with Sean Lock and Danny Dyer vs Joe Wilkinson and Gabby Logan. David O'Doherty joins Dictionary Corner, with Susie Dent and Rachel Riley.

Jimmy Carr hosts, David Mitchell and Cariad Lloyd take on Jon Richardson and Russell Howard. Sam Simmons joins Susie Dent in Dictionary Corner, while Rachel Riley flips the tiles.