Who Do You Think You Are?

Celebrities explore their family trees in this 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.

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Season 9, Episode 5 Jessica Biel

First Aired: April 2, 2017

Jessica Biel hunts for the truth behind family lore surrounding the death of an ancestor, and along the way makes two shocking discoveries that shake everything she knows about her heritage to the core.

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Guest Cast