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 28 2025-07-25
Season 28 Episode
- Season 22 Roisin Conaty, Kiri Pritchard-McLean, Jon Richardson, Rob Beckett
- Season 22 Jack Dee, Tom Allen, Jon Richardson, Judi Love
- Season 22 Roisin Conaty, Asim Chaudhry, Jon Richardson, Josh Widdicombe
- Season 22 Lee Mack, Joe Wilkinson, Jon Richardson, Jessica Knappett
- Season 22 Sarah Millican, Nish Kumar, Jon Richardson, Maisie Adam
- Season 22 Sean Lock, Harry Hill, Jon Richardson, Rosie Jones
8 Out of 10 Cats Does Countdown - Season 22 Episode 3 Roisin Conaty, Asim Chaudhry, Jon Richardson, Josh Widdicombe
7.30 47 minutes Jimmy Carr hosts, as Roisin Conaty and Asim Chaudhry take on Jon Richardson and Josh Widdicombe. Bill Bailey is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate
