UK TV · BBC One
Who Do You Think You Are?: all seasons, episodes and where it airs in the UK
Quick answer · UK
Who Do You Think You Are? is a UK family and history series on BBC One, running since 2004, with 23 seasons and 193 episodes.
Who Do You Think You Are? is still running; the latest episode aired on Thursday, August 6, 2026.
Who Do You Think You Are? seasons (23 seasons, 193 episodes)
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 10 | October 12, 2004 | December 14, 2004 |
| Season 2 | 6 | January 11, 2006 | February 15, 2006 |
| Season 3 | 8 | September 6, 2006 | October 25, 2006 |
| Season 4 | 7 | September 6, 2007 | October 18, 2007 |
| Season 5 | 8 | August 14, 2008 | October 1, 2008 |
| Season 6 | 11 | February 2, 2009 | August 19, 2009 |
| Season 7 | 9 | July 19, 2010 | September 13, 2010 |
| Season 8 | 10 | August 10, 2011 | October 12, 2011 |
| Season 9 | 10 | August 15, 2012 | December 6, 2012 |
| Season 10 | 10 | July 24, 2013 | September 25, 2013 |
| Season 11 | 10 | August 7, 2014 | October 9, 2014 |
| Season 12 | 10 | August 13, 2015 | October 22, 2015 |
| Season 13 | 10 | November 24, 2016 | March 8, 2017 |
| Season 14 | 10 | July 6, 2017 | October 4, 2017 |
| Season 15 | 8 | June 6, 2018 | August 20, 2018 |
| Season 16 | 8 | July 22, 2019 | September 11, 2019 |
| Season 17 | 4 | October 12, 2020 | November 2, 2020 |
| Season 18 | 7 | October 12, 2021 | November 30, 2021 |
| Season 19 | 5 | May 26, 2022 | June 30, 2022 |
| Season 20 | 9 | June 1, 2023 | July 27, 2023 |
| Season 21 | 7 | August 15, 2024 | September 26, 2024 |
| Season 22 | 8 | April 22, 2025 | June 10, 2025 |
| Season 23 | 8 | May 26, 2026 | August 6, 2026 |
Original UK air dates on BBC One.
Common questions
How many seasons of Who Do You Think You Are? are there?
Who Do You Think You Are? has 23 seasons and 193 episodes, first airing on Tuesday, October 12, 2004.
Is Who Do You Think You Are? still on?
Who Do You Think You Are? is still running; the latest episode aired on Thursday, August 6, 2026.
What channel is Who Do You Think You Are? on in the UK?
Who Do You Think You Are? airs on BBC One. Past episodes are often available on the broadcaster's own catch-up app.
Who stars in Who Do You Think You Are??
The main cast includes Mark Strong, Phil Davis, Cherie Lunghi, David Morrissey.
Source: TVmaze (CC BY-SA), retrieved October 5, 2026.