Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Vic Reeves and Jo Brand. Countdown regular Susie Dent is in Dictionary Corner with Adam Buxton, maths expert Rachel Riley looks after the letters and numbers, and there's a special appearance by Rob Beckett.

Jimmy Carr plays host as Jon Richardson and Bob Mortimer take on Sean Lock and Vic Reeves, while Jack Whitehall joins Susie Dent in Dictionary Corner,

Jimmy Carr hosts while team captain Sean Lock and Vic Reeves take on guest captain Lee Mack with Sara Pascoe. Alex Horne and the Horne Section join Susie in Dictionary Corner.

Jimmy Carr hosts. Sean Lock and Johnny Vegas take on guest captain Sarah Millican with Rob Beckett. Vic Reeves is in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr hosts. Sean Lock and Greg Davies take on Jon Richardson and Holly Walsh. Vic Reeves is in Dictionary Corner with Susie Dent.

Jimmy Carr hosts while Sean Lock and Vic Reeves take on Jon Richardson and Aisling Bea. David O'Doherty is in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr hosts with Sean Lock and Vic Reeves who take on Jon Richardson and Sara Pascoe. David O'Doherty is in Dictionary Corner with Susie Dent, and Rachel Riley.