8 Out of 10 Cats Does Countdown — Episode 4: Katherine Ryan, Richard Ayoade, Laura Smyth, Mat Ewins

You are watching the episode Katherine Ryan, Richard Ayoade, Laura Smyth, Mat Ewins Jimmy Carr hosts as Jon Richardson and Katherine Ryan take on Richard Ayoade and Laura Smyth. Mat Ewins joins Susie Dent in Dictionary Corner.