Season 25 - Episode Guide

Jimmy Carr hosts the anarchic letters and numbers mash-up, with Countdown regulars Susie Dent and Rachel Riley. Jon Richardson and Harriet Kemsley take on Lee Mack and Munya Chawawa, while David O'Doherty joins Susie in Dictionary Corner.

Jimmy Carr hosts the anarchic letters and numbers mash-up, with Countdown regulars Susie Dent and Rachel Riley. Joe Wilkinson and Rob Beckett take on Sarah Millican and Jamali Maddix, while Glenn Moore joins Susie in Dictionary Corner.

Rob Brydon and Katherine Parkinson take on Jon Richardson and Babatunde Aléshé. Adam Buxton joins Susie in Dictionary Corner, while Joe Wilkinson helps Rachel with the numbers in his own inimitable fashion.

Jimmy Carr hosts the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Rhod Gilbert and Sarah Millican take on Judi Love and Joe Lycett, while Jazz Emu joins Susie in Dictionary Corner.

Jimmy Carr presents as Jon Richardson and Asim Chaudhry take on Joe Wilkinson and Roisin Conaty. Lucy Pearman is in Dictionary Corner with Susie Dent, while Rachel Riley looks after the numbers and letters.