8 Out of 10 Cats Does Countdown: Season 19, Episode 3

19 - 3: Richard Ayoade, Katherine Ryan, David O'Doherty

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.