Jimmy Carr hosts as Joe Wilkinson and Josh Widdicombe take on Rhod Gilbert and Thaniya Moore in the long-running-words and numbers quiz. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate, while alternative comedian Joe Kent-Walters (aka Frankie Monroe) sits alongside Susie in Dictionary Corner.

Jimmy Carr hosts, as Roisin Conaty and Phil Wang compete against Joe Wilkinson and Lou Sanders. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate, while David O'Doherty joins Susie in Dictionary Corner.