Who Do You Think You Are? on NBC

2010, TV Show

Who Do You Think You Are? Season 4 episodes

Jim Parsons Season 4, Episode 8

Actor Jim Parsons honors his father's memory by investigating the paternal side of his family on a journey that includes stops in Louisiana and France. read more

Trisha Yearwood Season 4, Episode 7

Country-music singer Trisha Yearwood investigates the paternal side of her family, which reveals an English ancestor's history of crime, loss and perseverance. read more

Cindy Crawford Season 4, Episode 6

Model Cindy Crawford travels to the U.K. to investigate her family's origins and possible links to European royalty. read more

Chris O'Donnell Season 4, Episode 5

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

Zooey Deschanel Season 4, Episode 4

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

Chelsea Handler Season 4, Episode 3

Chelsea Handler investigates her grandfather's role in World War II. read more

Christina Applegate Season 4, Episode 2

Actor Christina Applegate learns more about her paternal grandmother, a beloved family member neither she nor her father ever really knew. read more

Kelly Clarkson Season 4, Episode 1

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

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Premiered: March 05, 2010, on NBC
Rating: TV-PG
User Rating: (215 ratings)
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Premise: Celebrities explore their family trees in this seven-part profile series. In each episode, a star takes a globe-spanning journey of self-discovery to uncover the mysteries of his or her ancestral history. Their familial stories in turn shed light on events in American and world history.


Who Do You Think You Are?: Season 1
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