Series 18 (Channel 4: Series 19)
First broadcast: Friday 7th February 2020
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.
First broadcast: Friday 14th February 2020
Jimmy Carr hosts as Sean Lock and Harriet Kemsley take on Jon Richardson and Chris McCausland in the words-and-numbers quiz. Nick Helm joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers and letters.