Jimmy Carr hosts a brand new episode with Sean Lock and Katherine Ryan who take on Jon Richardson and Joe Wilkinson in the classic words and number quiz. Dr. John Cooper Clarke joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Jimmy Carr hosts a brand new episode of 8 Out of 10 Cats Does Countdown, as Sean Lock and Rob Beckett take on Jon Richardson and Claudia Winkleman. Plus special guests Mr. Swallow and Joe Wilkinson join Countdown regulars Susie Dent and Rachel Riley for the classic words and numbers quiz.