Johnny Vegas, Sara Pascoe, Alex Brooker, Claudia Winkleman, Rob Beckett, Tom Allen

Jimmy Carr invites Sean Lock and Miles Jupp to go up against Jon Richardson and Sara Pascoe in the comedy panel show's version of the words-and-numbers quiz. Sam Simmons joins Countdown's resident lexicographer Susie Dent in Dictionary Corner, while Rachel Riley looks after the numbers and letters.