Season 19 - Episode Guide

Sean Lock and Harry Hill take on Jon Richardson and Rose Matafeo, while Alex Horne and the Horne Section join Susie Dent in Dictionary Corner. Hosted by Jimmy Carr with Rachel Riley looking after the numbers and letters.

Sean Lock and Joe Wilkinson take on Jon Richardson and Kiri Pritchard-McLean. The Brett Domino Trio join Susie Dent in Dictionary Corner. Jimmy Carr hosts. Rachel Riley takes care of the numbers.

Richard Ayoade and Katherine Ryan join Sean Lock and Jon Richardson for the words-and-numbers game, while David O'Doherty joins Susie Dent in Dictionary Corner. Hosted by Jimmy Carr with Rachel Riley looking after the numbers and letters.

Jimmy Carr hosts as Sean Lock and Miles Jupp take on Jon Richardson and Sophie Duker. Lee and Dean join Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and Kevin Bridges take on Jon Richardson and Victoria Coren Mitchell in the classic words-and-numbers quiz. Regular Countdown maths whizz Rachel Riley and words guru Susie Dent are on hand to adjudicate, with Susie joined in Dictionary Corner by Spencer Jones.

Jimmy Carr hosts as Sean Lock and Harriet Kemsley take on Jon Richardson and Chris McCausland. Nick Helm is with Susie Dent in Dictionary Corner. Joe Wilkinson joins Rachel Riley at the numbers board.