Season 16 - Episode Guide

Katherine Ryan guest hosts a very special all female edition celebrating 100 years of women's suffrage. Roisin Conaty and Jessica Hynes take on Sara Pascoe and Lolly Adefope in the classic words and numbers quiz. Morgana Robinson appears in character as Natalie Cassidy alongside Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Jimmy Carr hosts a brand new episode with Sean Lock and Katherine Ryan who take on Jon Richardson and Joe Wilkinson in the classic words and number quiz. Dr. John Cooper Clarke joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Sean Lock and Miles Jupp take on guest captain Alan Carr and Roisin Conaty in the classic words and number quiz. Ivan Brackenbury joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts a brand new episode of 8 Out of 10 Cats Does Countdown, as Sean Lock and Rob Beckett take on Jon Richardson and Claudia Winkleman. Plus special guests Mr. Swallow and Joe Wilkinson join Countdown regulars Susie Dent and Rachel Riley for the classic words and numbers quiz.

Sean Lock and Phil Wang take on guest captain Alan Carr and Harriet Kemsley in the classic words and number quiz. David O'Doherty joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and Richard Ayoade take on Jon Richardson and Jessica Knappett. Plus special guests Alex Horne and the Horne Section.

Sean Lock and Kevin Bridges take on Joe Wilkinson and Victoria Coren Mitchell. Adam Kay joins Susie Dent in Dictionary Corner.

Sean Lock and Roisin Conaty take on guest captain Alan Carr and Joe Lycett in the classic words and number quiz. Spencer Jones joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts a very special Christmas edition, as Sean Lock and Kathy Burke take on Jon Richardson and David Mitchell. Plus James Acaster and Joe Wilkinson join Countdown regulars Susie Dent and Rachel Riley for plenty of festive surprises.