8 Out of 10 Cats Does Countdown 8 Out of 10 Cats Does Countdown 8 Out of 10 Cats Does Countdown is a crossover between the panel games "8 Out of 10 Cats" and "Countdown". The show follows the format of "Countdown", but with hosts and contestants from "8 Out of 10 Cats", and an emphasis on humour. The first episode aired as part of Channel 4's "mash-up night" on 2 January 2012; the first full series was aired in July 2013 and multiple series have since been commissioned. Episodes feature Jimmy Carr as host; two teams of two contestants feature in most episodes, with Sean Lock
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