8 Out of 10 Cats show has to be edited to fit in its 26-minute slot. From series 9 there is a longer version of the show called "8 Out of 10 Cats Uncut", broadcast a few days later. These rounds only featured in series 1 and the "Big Brother" special shows: Since 2012, crossover episodes between "8 Out of 10 Cats" and "Countdown" have aired. The show follows the format of "Countdown", but is hosted by Jimmy Carr, with permanent contestants Sean Lock and Jon Richardson, as well as two other guest contestants. On 4 January 2013, a special episode of "Deal or No
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