Series 13 (Channel 4: Series 14)
First broadcast: Friday 29th December 2017
Jimmy Carr hosts a special Christmas edition packed with comic conundrums, festive surprises and laughs aplenty. Jon Richardson and Catherine Tate team up against Sean Lock and Joe Wilkinson. Joe Lycett joins Countdown's resident lexicographer Susie Dent in Dictionary Corner, and maths whizz Rachel Riley is in charge of the numbers.