8 Out of 10 Cats which claimed that "8 out of 10 cats prefer Whiskas". New and past episodes air across the Channel 4 network of channels, with past episodes also repeated on Dave. The show will also start to air on Comedy Central. The show is hosted by comedian Jimmy Carr and features two teams, consisting of a regular team captain and two celebrity guests each. Sean Lock appeared as the first team captain from series 1 to 18; he was replaced by Rob Beckett at the beginning of series 19. The opposing captain was originally Dave Spikey, who left after series 4 and
8 Out of 10 Cats Does Countdown not consist of the standard 15 rounds. The first few specials had different numbers of rounds ranging from 7 to 10. In the two full series of the show, there were either 8 or 9 rounds. The first three-quarters of the show contained a letters round and a numbers round; the last section had a letters round, a numbers round (if there was time) and a conundrum. More recent series featured rounds involving two contestants participating in humorous activities, such as being blindfolded and identifying props that were spelt with nine letters. The letters and numbers rounds are the same