8 Out of 10 Cats Does Countdown Series 7 Episode 11 Mel Giedroyc, Lee Mack, David O'Doherty, Adam Buxton ( Air Date 2015-07-24 ) Genre Comedy, Reality, Talk category. Overview "Jimmy Carr hosts. Sean Lock and Mel Giedroyc vs guest captain Lee Mack with David O'Doherty. Susie Dent is joined by Adam Buxton in Dictionary Corner, with Rachel Riley.".