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?!

Actor-comedian Shaun Majumder is profiled through trips to Newfoundland and India.

Shaun Majumder

Actress Margot Kidder is profiled in a look at her genealogy.

Margot Kidder

Filmmaker and activist Avi Lewis delves into his lineage and discovers the government's surveillance of his antiestablishment ancestors.

Avi Lewis

Actress Sonja Smits probes her ancestry, and encounters links to her family's past in Holland.

Sonja Smits

Singer-songwriter Chantal Kreviazuk probes her lineage and discovers ancestors linked to Ukraine and Hudson's Bay Company.

Chantal Kreviazuk

Retired general Lewis MacKenzie probes his lineage and discovers seafaring ancestors and a link to the American Revolution.

General Lewis MacKenzie

Episode 1

Episode 2

Episode 3

Episode 4

Episode 5

In a new season, singer Kelly Clarkson learns about an ancestor's bravery in combat.

Kelly Clarkson

Actor Zooey Deschanel investigates reports of abolitionists her father's Quaker family background in Pennsylvania.

Zooey Deschanel

Actor Chris O'Donnell explores his father's side of the family and its patriotic legacy.

Chris O'Donnell

Episode 6

Episode 7

Episode 8

Nigel Havers takes a look at his mother's line and travels to Cornwall to learn about a tale of illegitimacy worthy of a period drama. On his father's side, he ends up in Colchester where he learns a tale of the Victorian equivalent of an Essex taxi driver made good, who ends up losing everything though.

Nigel Havers

A Swedish version of the British genealogy documentary series Who Do You Think You Are?, where famous people are searching for truths and hidden stories about their family history.

The Best Seasons of Who Do You Think You Are?

The Best Seasons of Who Do You Think You Are?

Season 1

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 8

Season 9

Season 10