8 Out of 10 Cats Does Countdown — Episode 4: Dara Ó Briain, Sharon Horgan, Adam Buxton

You are watching the episode Dara Ó Briain, Sharon Horgan, Adam Buxton Jimmy Carr hosts this edition along with regular 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who are joined by Dara Ó Briain and Sharon Horgan. Countdown's Susie Dent is in Dictionary Corner with help from Adam Buxton, while Rachel Riley provides the letters and numbers with 'help' from comedian Joe Wilkinson.