Season 19

Sean Lock and his BFF, Harriet Kemsley, face Jon Richardson and Chris McCausland. Cinephile Nick Helm joins Susie Dent in Dictionary Corner, Rachel Riley is at the Countdown Board and Jimmy Carr hosts. Giant Joe Wilkinson also drops by.

Team captain Sean Lock and Kevin Bridges face team captain Jon Richardson and broadcaster Victoria Coren Mitchell. Comedian Spencer Jones join Susie Dent in Dictionary Corner, Rachel Riley is at the Countdown Board and Jimmy Carr hosts.

Team captain Sean Lock and Miles Jupp face team captain Jon Richardson and Sophie Duker. Comedians Lee and Dean join Susie Dent in Dictionary Corner, Rachel Riley is at the Countdown Board and Jimmy Carr hosts. Joe Wilkinson also pops in.

Team captain Sean 'Who's Hot and Who's Not' Lock and Richard 'Ambivalence' Ayoade face team captain Jon 'The Dude' Richardson, Katherine Ryan and her high school ex. Hosted by Susie Dent, David "DJ" O'Doherty, Rachel Riley and Jimmy Carr.

Sean Lock and Joe Wilkinson take on Jon Richardson and comedian Kiri Pritchard-McLean. Susie Dent and musical comedy duo The Brett Domino Trio are in the Dictionary Corner, Rachel Riley is at the Countdown Board and Jimmy Carr hosts.

Team captain Sean Lock and comedian Harry Hill face team captain Jon Richardson and NZ comedian Rose Matafeo, Alex Horne and the Horne Section join Susie Dent in Dictionary Corner, Rachel Riley is at the Countdown Board, Jimmy Carr hosts.