Documentary•Family

The Best Seasons of Who Do You Think You Are?

Every season of Who Do You Think You Are? ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Who Do You Think You Are?!

Binge this in Unknown•Peaking at 9.5/10

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

Airs on

Season 6

11 Episodes

First Aired: Feb 2009

8.6/ 10

Average Rating

Best episodeE1 · Rory Bremner 9.4

Season 4

7 Episodes

First Aired: Sep 2007

8.3/ 10

Average Rating

Best episodeE5 · Alistair McGowan 9.5

Season 5

8 Episodes

First Aired: Aug 2008

7.9/ 10

Average Rating

Best episodeE1 · Patsy Kensit 9.3

Other Seasons

Season 1

10 Episodes

First Aired: Oct 2004

7.9/ 10

Average Rating

Best episodeE6 · Moira Stuart 9.2

Season 10

10 Episodes

First Aired: Jul 2013

7.8/ 10

Average Rating

Best episodeE9 · Marianne Faithfull 9.4

Season 12

10 Episodes

First Aired: Aug 2015

7.7/ 10

Average Rating

Best episodeE3 · Derek Jacobi 9.1

Season 22

8 Episodes

First Aired: Apr 2025

7.7/ 10

Average Rating

Best episodeE7 · Will Young 8.2

Season 11

10 Episodes

First Aired: Aug 2014

7.7/ 10

Average Rating

Best episodeE6 · Mary Berry 9.4

Season 23

8 Episodes

First Aired: May 2026

7.6/ 10

Average Rating

Best episodeE4 · Ruth Madeley 8.9

#10

Season 20

9 Episodes

First Aired: Jun 2023

7.6/ 10

Average Rating

Best episodeE4 · Kevin Clifton 8.5

#11

Season 2

6 Episodes

First Aired: Jan 2006

7.5/ 10

Average Rating

Best episodeE1 · Jeremy Paxman 8.6

#12

Season 13

10 Episodes

First Aired: Nov 2016

7.5/ 10

Average Rating

Best episodeE3 · Liz Bonnin 9.3

#13

Season 21

7 Episodes

First Aired: Aug 2024

7.5/ 10

Average Rating

Best episodeE4 · Rose Ayling-Ellis 8.0

#14

Season 19

5 Episodes

First Aired: May 2022

7.3/ 10

Average Rating

Best episodeE3 · Matt Lucas 7.9

#15

Season 7

9 Episodes

First Aired: Jul 2010

7.3/ 10

Average Rating

Best episodeE2 · Rupert Everett 9.2

#16

Season 18

7 Episodes

First Aired: Oct 2021

7.1/ 10

Average Rating

Best episodeE1 · Josh Widdicombe 9.1

#17

Season 14

10 Episodes

First Aired: Jul 2017

6.9/ 10

Average Rating

Best episodeE1 · Charles Dance 9.3

#18

Season 9

10 Episodes

First Aired: Aug 2012

6.8/ 10

Average Rating

Best episodeE4 · Annie Lennox 9.1

#19

Season 16

8 Episodes

First Aired: Jul 2019

6.8/ 10

Average Rating

Best episodeE6 · Paul Merton 8.6

#20

Season 3

8 Episodes

First Aired: Sep 2006

6.7/ 10

Average Rating

Best episodeE4 · David Tennant 8.9

#21

Season 15

8 Episodes

First Aired: Jun 2018

6.6/ 10

Average Rating

Best episodeE4 · Boy George 8.8

#22

Season 17

4 Episodes

First Aired: Oct 2020

6.5/ 10

Average Rating

Best episodeE2 · David Walliams 8.3

#23

Season 8

10 Episodes

First Aired: Aug 2011

6.2/ 10

Average Rating

Best episodeE5 · Emilia Fox 8.7