Jimmy Carr hosts the game show mash-up, with Rachel Riley and Susie Dent. Jon Richardson and Lucy Beaumont take on Roisin Conaty and Joe Wilkinson in the comedy words-and-numbers game, while Bec Hill joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts an edition packed with festive surprises. Countdown regulars Susie Dent and Rachel Riley are on hand to help maintain order as Jon Richardson and Sarah Millican take on Lee Mack and Jason Manford. They are joined by guests Nick Mohammed and Joe Wilkinson.