Season
- Season 0 2012-01-02
- Season 1 2013-04-12
- Season 2 2013-07-26
- Season 3 2014-01-03
- Season 4 2014-06-06
- Season 5 2014-09-05
- Season 6 2015-01-09
- Season 7 2015-05-03
- Season 8 2016-01-15
- Season 9 2016-02-25
- Season 10 2016-08-05
- Season 11 2016-09-24
- Season 12 2017-01-13
- Season 13 2017-06-22
- Season 14 2017-08-18
- Season 15 2018-01-19
- Season 16 2018-07-13
- Season 17 2019-01-11
- Season 18 2019-07-26
- Season 19 2020-01-09
- Season 20 2020-07-30
- Season 21 2021-01-14
- Season 22 2022-01-07
- Season 23 2022-07-29
- Season 24 2023-01-06
- Season 25 2024-01-12
- Season 26 2024-07-19
- Season 27 2025-01-03
Season 27 Episode
- Season 0 8 Out of 10 Cats Does Countdown Mash-up
- Season 0 The Rematch
- Season 0 1980's Special: Lee Mack, David O'Doherty, Henning Wehn, Vic Reeves
- Season 0 Christmas Special 2014
- Season 0 Christmas Special 2015
- Season 0 Christmas Special 2016
- Season 0 New Year Special 2016
- Season 0 Election Special 2017
- Season 0 Christmas Special 2017
- Season 0 Christmas Special 2018
- Season 0 Christmas Special 2019
- Season 0 Best Bits 1
- Season 0 Best Bits 2
- Season 0 Christmas Special 2020
- Season 0 Sean Lock Tribute
- Season 0 Christmas Special 2021
- Season 0 Christmas Special 2022
- Season 0 Best Bits 3
- Season 0 Best Bits 4
- Season 0 Christmas Special 2023
- Season 0 Best Bits 5
8 Out of 10 Cats Does Countdown - Season 0 Episode 8 Election Special 2017
7.18 47 minutes Jimmy Carr hosts a special version of the game show to tie in with the General Election. Team captains Jon Richardson and Alan Carr are joined by guests Romesh Ranganathan, Sarah Millican and John Kearns.
