Season
- Season 22 2025-04-22
- Season 21 2024-08-15
- Season 20 2023-06-01
- Season 19 2022-05-26
- Season 18 2021-10-12
- Season 17 2020-10-12
- Season 16 2019-07-22
- Season 15 2018-06-06
- Season 14 2017-07-06
- Season 13 2016-11-24
- Season 12 2015-08-13
- Season 11 2014-08-07
- Season 10 2013-07-24
- Season 9 2012-08-15
- Season 8 2011-08-10
- Season 7 2010-07-19
- Season 6 2009-02-02
- Season 5 2008-08-14
- Season 4 2007-09-06
- Season 3 2006-09-06
- Season 2 2006-01-11
- Season 1 2004-10-12
- Season 0 2007-07-11
Who Do You Think You Are? Series 20
A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.
