Jimmy Carr hosts a brand-new series of the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jon Richardson and Lucy Beaumont take on Richard Ayoade and Joe Wilkinson. Finlay Christie is in Dictionary Corner.

Jimmy Carr hosts a brand-new series of 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 a brand-new series of the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jon Richardson and Jo Brand take on Joe Wilkinson and Jamali Maddix. Rachel Parris is in Dictionary Corner.

Jimmy Carr hosts as Lee Mack and Joe Wilkinson take on Jon Richardson and Jessica Knappett. Comedian Nigel Ng is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate

Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent as Sarah Millican and Nish Kumar take on Jon Richardson and Maisie Adam. David O'Doherty joins Susie Dent 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.