8 Out of 10 Cats Does Countdown — Episode 5: Richard Ayoade, Kemah Bob, Jonathan Ross, Maisie Adam, Sarah Keyworth

You are watching the episode Richard Ayoade, Kemah Bob, Jonathan Ross, Maisie Adam, Sarah Keyworth Jimmy Carr hosts as Richard Ayoade and Kemah Bob take on Jonathan Ross and Maisie Adam in the classic words and numbers quiz. Sarah Keyworth joins Susie Dent in Dictionary Corner, while Dr Anne-Marie Imafidon fills in for Rachel Riley looking after the letters and numbers.