8 Out of 10 Cats Does Countdown — Episode 1: Dan Tiernan, Richard Ayoade, Katherine Ryan, John Kearns

You are watching the episode Dan Tiernan, Richard Ayoade, Katherine Ryan, John Kearns Jimmy Carr hosts as Jon Richardson and Dan Tiernan take on Richard Ayoade and Katherine Ryan. John Kearns joins Susie Dent in Dictionary Corner, while Rachel Riley looks after the numbers and letters.