TV series
From roots in the Deep South to the slums of New Jersey, "Who Do You Think You Are?" follows the journeys of some of the most well-known names in American popular culture. Watch as celebrities discover unknown details about themselves and their families while researching their ancestry with the help of historians and genealogical experts.
Streaming, rental and purchase options
Checked Jul 22, 2026
Who Do You Think You Are? is available to stream on Discovery+, Discovery+ (Via Amazon Prime), Philo, and Spectrum On Demand in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
From roots in the Deep South to the slums of New Jersey, "Who Do You Think You Are?" follows the journeys of some of the most well-known names in American popular culture. Watch as celebrities discover unknown details about themselves and their families while researching their ancestry with the help of historians and genealogical experts.
Choose an episode, then use the watch options above for the show.
Episode 1
Actress Mandy Moore is shocked to discover ancestors who lived in Australia and travels far, determined to unlock the mystery of how they got there. Moore is touched by the courage of those who made the journey and the sacrifice of those who were left behind.
Guest stars Mandy Moore
Episode 2
Actor Josh Duhamel travels to England to investigate the extraordinary life of his twelve times great-grandfather and uncovers an astonishing, dark twist of interrogation and torture that rocks his belief system to the core.
Guest stars Josh Duhamel
Episode 3
Actress Regina King investigates her maternal family tree and uncovers an ancestor who was a passionate civil rights activist in Alabama; a man who came out of slavery, endured horrific violence, but never stopped fighting for his people.
Guest stars Regina King
Episode 4
Actor Matthew Morrison explores his American roots for the first time and is surprised to discover his family's ties to the Revolutionary War. He learns of the bold lengths his ancestor went through to protect his allegiances and the brutality he faced on the battlefield.
Guest stars Matthew Morrison
Episode information updated Jul 24, 2026
Sarah Jessica ParkerSelf
Lisa KudrowSelf
Brooke ShieldsSelf
Susan SarandonSelf
Matthew BroderickSelf
Spike LeeSelf
Billy PorterSelf
Nick OffermanSelf
NBCUnited States
TLCUnited States
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