Jimmy Carr hosts the famous words and numbers quiz with regular 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who play against each other. Celebrity guests joining the teams are Rhod Gilbert, Kevin Bridges and Josie Long, alongside Joe Wilkinson, Countdown's resident lexicographer Susie Dent and the country's favourite boffin Rachel Riley.

Jimmy Carr hosts with 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who are joined by Kevin Bridges and James Corden. Peter Serafinowicz is in Dictionary Corner with Countdown's Susie Dent, while Rachel Riley provides the letters and numbers with 'help' from Joe Wilkinson.

Jimmy Carr hosts with Sean Lock and Kevin Bridges who take on Jon Richardson and Kathy Burke. Joe Lycett joins Susie Dent, while Nick Helm 'assists' Rachel Riley.

Jimmy Carr hosts while Sean Lock and Rebecca Front take on Jon Richardson and Kevin Bridges. Joe Lycett is in Dictionary Corner with Susie Dent and Rachel Riley is on letter-and-number duty.

Jimmy Carr hosts as Jon Richardson and Cariad Lloyd take on guest captains Alan Carr and Kevin Bridges, Elis James and Jon Robins are in Dictionary Corner, with Susie Dent and Rachel Riley

Jimmy Carr hosts as Jon Richardson and Joe Wilkinson take on guest captain Kevin Bridges and Jessica Knappett. With Dr John Cooper Clark in Dictionary Corner.

Sean Lock and Kevin Bridges take on Joe Wilkinson and Victoria Coren Mitchell. Adam Kay joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and Kevin Bridges take on Jon Richardson and Victoria Coren Mitchell in the classic words and numbers quiz. Spencer Jones joins Susie Dent in Dictionary Corner, and Rachel Riley looks after the numbers and letters.