The original lineup featured host Jimmy Carr with team captains Sean Lock and Dave Spikey. Spikey was replaced by Jason Manford from the fifth series onwards, who was in turn replaced by Jon Richardson in the eleventh series. For the nineteenth series, both captains were replaced by Aisling Bea and Rob Beckett, although the previous captains remained as regulars on 8 Out of 10 Cats Does Countdown and the show moved to More4. It moved to E4 for the following series, with Beckett remaining as captain while Bea was replaced by various guest captains. From Series 22 (2020), Katherine Ryan became a permanent team captain.
As of 17 January 2021,[update] 232 episodes of 8 Out of 10 Cats have aired, concluding the twenty-second series.
^Originally Johnny was on Jason's team and Nicky was on Sean's team. During the recording Johnny swapped with Nicky and the swap remained for the rest of the show.
^2.37 million on Channel 4, 283,000 on Channel 4 +1
^2.76 million on Channel 4, 268,000 on Channel 4 +1
^2.09 million on Channel 4, 353,000 on Channel 4 +1
^1.71 million on Channel 4, 312,000 on Channel 4 +1
^3.41 million on Channel 4, 380,000 on Channel 4 +1
^1.84 million on Channel 4, 381,000 on Channel 4 +1
^1.82 million on Channel 4, 318,000 on Channel 4 +1
^1.77 million on Channel 4, 371,000 on Channel 4 +1
^1.84 million on Channel 4, 290,000 on Channel 4 +1
^1.54 million on Channel 4, 314,000 on Channel 4 +1
^1.32 million on Channel 4, 324,000 on Channel 4 +1
^1.99 million on Channel 4, 418,000 on Channel 4 +1
^1.33 million on Channel 4, 331,000 on Channel 4 +1
^1.21 million on Channel 4, 334,000 on Channel 4 +1
^1.17 million on Channel 4, 358,000 on Channel 4 +1
^1.29 million on Channel 4, 404,000 on Channel 4 +1
^2.63 million on Channel 4, 425,000 on Channel 4 +1. The reason for the increased viewership was that was recorded and shown on the week that Jimmy Carr's tax avoidance scandal was revealed
^1.40 million on Channel 4, 301,000 on Channel 4 +1
^2.46 million on Channel 4, 466,000 on Channel 4 +1
^2.41 million on Channel 4, 482,000 on Channel 4 +1
^1.81 million on Channel 4, 342,000 on Channel 4 +1
^1.88 million on Channel 4, 433,000 on Channel 4 +1
^1.32 million on Channel 4, 297,000 on Channel 4 +1
^1.30 million on Channel 4, 354,000 on Channel 4 +1
^2.48 million on Channel 4, 473,000 on Channel 4 +1
^1.52 million on Channel 4, 224,000 on Channel 4 +1
^1.35 million on Channel 4, 210,000 on Channel 4 +1
^1.15 million on Channel 4, 275,000 on Channel 4 +1
^2.15 million on Channel 4, 303,000 on Channel 4 +1
