Jimmy Carr returns with Sean Lock and Jon Richardson, who are joined by Jonathan Ross and Roisin Conaty. David O'Doherty joins Susie Dent in Dictionary Corner, and Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr hosts the words and numbers game show mash-up, with `Countdown' regulars Rachel Riley and Susie Dent. Alan Carr and Harriet Kemsley play against Jonathan Ross and Maisie Adam. Huge Davies is in Dictionary Corner.

Jimmy Carr hosts the words and numbers game show mash-up, with `Countdown' regulars Rachel Riley and Susie Dent. Jonathan Ross and Russell Kane take on Alan Carr and Judi Love. Josh Jones is in Dictionary Corner.