8 Out of 10 Cats Does Countdown: Season 10, Episode 4 - ProjectFreeTV

10 - 4: David Mitchell, Katherine Ryan, The Brett Domino Trio

Jimmy Carr hosts with Sean Lock and David Mitchell going up against Jon Richardson and Katherine Ryan. Brett Domino Trio joins Countdown's resident lexicographer Susie Dent in Dictionary Corner, while Rachel Riley looks after the numbers and letters.