Who Do You Think You Are? 2004

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.

  • Poster for Specials

    Specials

    2007

    2 episodes

    Specials of Who Do You Think You Are? premiered on July 11, 2007.

  • Poster for Season 1

    Season 1

    2004

    10 episodes

    Season 1 of Who Do You Think You Are? premiered on October 12, 2004.

  • Poster for Season 2

    Season 2

    2006

    6 episodes

    Season 2 of Who Do You Think You Are? premiered on January 11, 2006.

  • Poster for Season 3

    Season 3

    2006

    8 episodes

    Season 3 of Who Do You Think You Are? premiered on September 6, 2006.

  • Poster for Season 4

    Season 4

    2007

    7 episodes

    Season 4 of Who Do You Think You Are? premiered on September 6, 2007.

  • Poster for Season 5

    Season 5

    2008

    8 episodes

    Season 5 of Who Do You Think You Are? premiered on August 14, 2008.

  • Poster for Season 6

    Season 6

    2009

    11 episodes

    Season 6 of Who Do You Think You Are? premiered on February 2, 2009.

  • Poster for Season 7

    Season 7

    2010

    9 episodes

    Season 7 of Who Do You Think You Are? premiered on July 19, 2010.

  • Poster for Season 8

    Season 8

    2011

    10 episodes

    Season 8 of Who Do You Think You Are? premiered on August 10, 2011.

  • Poster for Season 9

    Season 9

    2012

    10 episodes

    Season 9 of Who Do You Think You Are? premiered on August 15, 2012.

  • Poster for Season 10

    Season 10

    2013

    10 episodes

    Season 10 of Who Do You Think You Are? premiered on July 24, 2013.

  • Poster for Season 11

    Season 11

    2014

    10 episodes

    Season 11 of Who Do You Think You Are? premiered on August 7, 2014.

  • Poster for Season 12

    Season 12

    2015

    10 episodes

    Season 12 of Who Do You Think You Are? premiered on August 13, 2015.

  • Poster for Season 13

    Season 13

    2016

    10 episodes

    Season 13 of Who Do You Think You Are? premiered on November 24, 2016.

  • Poster for Season 14

    Season 14

    2017

    10 episodes

    Season 14 of Who Do You Think You Are? premiered on July 6, 2017.

  • Poster for Season 15

    Season 15

    2018

    8 episodes

    Season 15 of Who Do You Think You Are? premiered on June 6, 2018.

  • Poster for Season 16

    Season 16

    2019

    8 episodes

    Season 16 of Who Do You Think You Are? premiered on July 22, 2019.

    Sixteenth series of the BAFTA-winning series

  • Poster for Season 17

    Season 17

    2020

    4 episodes

    Season 17 of Who Do You Think You Are? premiered on October 12, 2020.

  • Poster for Season 18

    Season 18

    2021

    7 episodes

    Season 18 of Who Do You Think You Are? premiered on October 12, 2021.

  • Poster for Series 19

    Series 19

    2022

    5 episodes

    Season 19 of Who Do You Think You Are? premiered on May 26, 2022.

  • Poster for Series 20

    Series 20

    2023

    9 episodes

    Season 20 of Who Do You Think You Are? premiered on June 1, 2023.

  • Poster for Series 21

    Series 21

    2024

    7 episodes

    Season 21 of Who Do You Think You Are? premiered on August 15, 2024.

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

  • Poster for Series 22

    Series 22

    2025

    2 episodes

    Season 22 of Who Do You Think You Are? premiered on April 22, 2025.