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Poster of Who Do You Think You Are?

Who Do You Think You Are?

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

First Episode Aired On:
Tuesday, October 12 2004
20 years ago

Last Episode Aired On:
Tuesday, April 22 2025
Released within the last year

Number of seasons: 22 (179 episodes)

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Seasons

Portrait for Who Do You Think You Are? - Specials

SpecialsNumber of Episodes:2

Season Air Date: Wed, Jul 11 2007

Portrait for Who Do You Think You Are? - Season 1

Season 1Number of Episodes:10

Season Air Date: Tue, Oct 12 2004

Portrait for Who Do You Think You Are? - Season 2

Season 2Number of Episodes:6

Season Air Date: Wed, Jan 11 2006

Portrait for Who Do You Think You Are? - Season 3

Season 3Number of Episodes:8

Season Air Date: Wed, Sep 06 2006

Portrait for Who Do You Think You Are? - Season 4

Season 4Number of Episodes:7

Season Air Date: Thu, Sep 06 2007

Portrait for Who Do You Think You Are? - Season 5

Season 5Number of Episodes:8

Season Air Date: Thu, Aug 14 2008

Portrait for Who Do You Think You Are? - Season 6

Season 6Number of Episodes:11

Season Air Date: Mon, Feb 02 2009

Portrait for Who Do You Think You Are? - Season 7

Season 7Number of Episodes:9

Season Air Date: Mon, Jul 19 2010

Portrait for Who Do You Think You Are? - Season 8

Season 8Number of Episodes:10

Season Air Date: Wed, Aug 10 2011

Portrait for Who Do You Think You Are? - Season 9

Season 9Number of Episodes:10

Season Air Date: Wed, Aug 15 2012

Portrait for Who Do You Think You Are? - Season 10

Season 10Number of Episodes:10

Season Air Date: Wed, Jul 24 2013

Portrait for Who Do You Think You Are? - Season 11

Season 11Number of Episodes:10

Season Air Date: Thu, Aug 07 2014

Portrait for Who Do You Think You Are? - Season 12

Season 12Number of Episodes:10

Season Air Date: Thu, Aug 13 2015

Portrait for Who Do You Think You Are? - Season 13

Season 13Number of Episodes:10

Season Air Date: Thu, Nov 24 2016

Portrait for Who Do You Think You Are? - Season 14

Season 14Number of Episodes:10

Season Air Date: Thu, Jul 06 2017

Portrait for Who Do You Think You Are? - Season 15

Season 15Number of Episodes:8

Season Air Date: Wed, Jun 06 2018

Portrait for Who Do You Think You Are? - Season 16

Season 16Number of Episodes:8

Season Air Date: Mon, Jul 22 2019

Portrait for Who Do You Think You Are? - Season 17

Season 17Number of Episodes:4

Season Air Date: Mon, Oct 12 2020

Portrait for Who Do You Think You Are? - Season 18

Season 18Number of Episodes:7

Season Air Date: Tue, Oct 12 2021

Portrait for Who Do You Think You Are? - Series 19

Series 19Number of Episodes:5

Season Air Date: Thu, May 26 2022

Portrait for Who Do You Think You Are? - Series 20

Series 20Number of Episodes:9

Season Air Date: Thu, Jun 01 2023

Portrait for Who Do You Think You Are? - Series 21

Series 21Number of Episodes:7

Season Air Date: Thu, Aug 15 2024

Portrait for Who Do You Think You Are? - Series 22

Series 22Number of Episodes:4

Season Air Date: Tue, Apr 22 2025