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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
BBC OneBBC Two
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes
#1

Season 6

11 Episodes

First Aired: Feb 2009

8.6/ 10
Average Rating
#2

Season 4

7 Episodes

First Aired: Sep 2007

8.3/ 10
Average Rating
#3

Season 5

8 Episodes

First Aired: Aug 2008

7.9/ 10
Average Rating

Other Seasons

#4

Season 1

10 Episodes

First Aired: Oct 2004

7.9/ 10
Average Rating
#5

Season 10

10 Episodes

First Aired: Jul 2013

7.8/ 10
Average Rating
#6

Season 11

10 Episodes

First Aired: Aug 2014

7.7/ 10
Average Rating
#7

Season 12

10 Episodes

First Aired: Aug 2015

7.7/ 10
Average Rating
#8

Season 22

8 Episodes

First Aired: Apr 2025

7.7/ 10
Average Rating
#9

Season 20

9 Episodes

First Aired: Jun 2023

7.6/ 10
Average Rating
#10

Season 2

6 Episodes

First Aired: Jan 2006

7.6/ 10
Average Rating
#11

Season 13

10 Episodes

First Aired: Nov 2016

7.5/ 10
Average Rating
#12

Season 21

7 Episodes

First Aired: Aug 2024

7.5/ 10
Average Rating
#13

Season 19

5 Episodes

First Aired: May 2022

7.3/ 10
Average Rating
#14

Season 7

9 Episodes

First Aired: Jul 2010

7.3/ 10
Average Rating
#15

Season 18

7 Episodes

First Aired: Oct 2021

7.1/ 10
Average Rating
#16

Season 14

10 Episodes

First Aired: Jul 2017

6.9/ 10
Average Rating
#17

Season 9

10 Episodes

First Aired: Aug 2012

6.8/ 10
Average Rating
#18

Season 16

8 Episodes

First Aired: Jul 2019

6.7/ 10
Average Rating
#19

Season 3

8 Episodes

First Aired: Sep 2006

6.6/ 10
Average Rating
#20

Season 15

8 Episodes

First Aired: Jun 2018

6.5/ 10
Average Rating
#21

Season 17

4 Episodes

First Aired: Oct 2020

6.5/ 10
Average Rating
#22

Season 8

10 Episodes

First Aired: Aug 2011

6.1/ 10
Average Rating