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Who Do You Think You Are? poster

Who Do You Think You Are?

(2004)

Seasons

Who Do You Think You Are? Specials poster

Specials (2007)

with 2 episodes premiered on July 11, 2007

Who Do You Think You Are? Season 1 poster

Season 1 (2004)

with 10 episodes premiered on October 12, 2004

Who Do You Think You Are? Season 2 poster

Season 2 (2006)

with 6 episodes premiered on January 11, 2006

Who Do You Think You Are? Season 3 poster

Season 3 (2006)

with 8 episodes premiered on September 6, 2006

Who Do You Think You Are? Season 4 poster

Season 4 (2007)

with 7 episodes premiered on September 6, 2007

Who Do You Think You Are? Season 5 poster

Season 5 (2008)

with 8 episodes premiered on August 14, 2008

Who Do You Think You Are? Season 6 poster

Season 6 (2009)

with 11 episodes premiered on February 2, 2009

Who Do You Think You Are? Season 7 poster

Season 7 (2010)

with 9 episodes premiered on July 19, 2010

Who Do You Think You Are? Season 8 poster

Season 8 (2011)

with 10 episodes premiered on August 10, 2011

Who Do You Think You Are? Season 9 poster

Season 9 (2012)

with 10 episodes premiered on August 15, 2012

Who Do You Think You Are? Season 10 poster

Season 10 (2013)

with 10 episodes premiered on July 24, 2013

Who Do You Think You Are? Season 11 poster

Season 11 (2014)

with 10 episodes premiered on August 7, 2014

Who Do You Think You Are? Season 12 poster

Season 12 (2015)

with 10 episodes premiered on August 13, 2015

Who Do You Think You Are? Season 13 poster

Season 13 (2016)

with 10 episodes premiered on November 24, 2016

Who Do You Think You Are? Season 14 poster

Season 14 (2017)

with 10 episodes premiered on July 6, 2017

Who Do You Think You Are? Season 15 poster

Season 15 (2018)

with 8 episodes premiered on June 6, 2018

Who Do You Think You Are? Season 16 poster

Season 16 (2019)

with 8 episodes premiered on July 22, 2019

Sixteenth series of the BAFTA-winning series

Who Do You Think You Are? Season 17 poster

Season 17 (2020)

with 4 episodes premiered on October 12, 2020

Who Do You Think You Are? Season 18 poster

Season 18 (2021)

with 7 episodes premiered on October 12, 2021

Who Do You Think You Are? Series 19 poster

Series 19 (2022)

with 5 episodes premiered on May 26, 2022

Who Do You Think You Are? Series 20 poster

Series 20 (2023)

with 9 episodes premiered on June 1, 2023

Who Do You Think You Are? Series 21 poster

Series 21 (2024)

with 7 episodes premiered on August 15, 2024

Stars delve into their family history to find moving, funny and extraordinary stories.