Season
- Season 21 2023-12-18
- Season 20 2022-11-11
- Season 19 2021-09-09
- Season 18 2020-05-27
- Season 17 2019-09-06
- Season 16 2018-09-10
- Season 15 2017-10-20
- Season 14 2016-10-21
- Season 13 2015-10-16
- Season 12 2014-10-03
- Season 11 2013-09-06
- Season 10 2012-09-14
- Season 9 2011-09-09
- Season 8 2010-09-17
- Season 7 2009-11-26
- Season 6 2008-11-14
- Season 5 2007-09-21
- Season 4 2006-09-29
- Season 3 2005-09-30
- Season 2 2004-10-08
- Season 1 2003-09-11
- Season 0 2006-12-06
Episode
- Episode 1: I-Spy
- Episode 2: International
- Episode 3: Imbroglio
- Episode 4: Indecision
- Episode 5: Invertebrates
- Episode 6: Inventive
- Episode 7: Incomprehensible
- Episode 8: Inequality
- Episode 9: Illness
- Episode 10: Inland Revenue
- Episode 11: Infantile
- Episode 12: Illumination
- Episode 13: Intelligence
- Episode 14: VG Part 1
- Episode 15: VG Part 2
- Episode 16: Ice
- Episode 17: Immortal Bard
- Episode 18: Idleness
QI Series I
Comedy quiz show full of quirky facts, in which contestants are rewarded more if their answers are 'quite interesting'.
