Who Do You Think You Are? poster

TV series

Who Do You Think You Are?

2010TV-PG12 seasons6.9 / 10

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

Where to watch in United States

Checked Sep 2, 2026

Who Do You Think You Are? is available to stream on Discovery+, Discovery+ (Via Amazon Prime), Philo, Spectrum On Demand, and YouTube in United States. You can also buy it from Apple TV and Fandango at Home. Use the direct links below to open the provider.

Availability and prices can change. Confirm the details on the streaming service before you subscribe, rent or buy.

Synopsis

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.

Season 4 episodes

Choose an episode, then use the watch options above for the show.

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Episode 1

Kelly Clarkson

42m

Singer Kelly Clarkson explores her lineage and uncovers an ancestor deeply rooted in American history; she comes face-to-face with her 3x great grandfather's wartime bravery and sacrifice.

Episode credits

Guest stars Kelly Clarkson

Where to watch Who Do You Think You Are?

Episode 2

Christina Applegate

42m

Actress Christina Applegate investigates her paternal grandmother - a stranger to her and her father. Uncovering dramatic details along the way, Christina gains insight into the life and hardships of the woman she and her father loved, but never knew.

Episode credits

Guest stars Christina Applegate

Where to watch Who Do You Think You Are?

Episode 3

Chelsea Handler

42m

Media mogul Chelsea Handler confronts a deep family secret: her Grandfather’s rumored Nazi past. As she dives into her family’s struggle to survive in a desperate time, the details uncovered will finally confirm or deny his affiliation to the dark regime.

Episode credits

Guest stars Chelsea Handler

Where to watch Who Do You Think You Are?

Episode 4

Zooey Deschanel

42m

Actress Zooey Deschanel searches for rumored abolitionists in her father’s Ouaker family background. Her journey takes her around Pennsylvania where she uncovers, and follows, the story of a remarkable ancestor who sacrificed everything for her beliefs.

Episode credits

Guest stars Zooey Deschanel

Where to watch Who Do You Think You Are?

Episode 5

Chris O'Donnell

42m

In memory of his late father, actor Chris O’Donnell investigates the paternal side of his family and finds ancestors on the frontlines of American history. Chris explores a patriotic legacy and a family devotion that extends deeper than he ever imagined.

Episode credits

Guest stars Chris O'Donnell

Where to watch Who Do You Think You Are?

Episode 6

Cindy Crawford

42m

World famous supermodel Cindy Crawford takes a journey to discover her family origins. With travels to the UK and beyond, she discovers ancestors dating back to the English Civil War, and even finds a connection linking her to early European royalty!

Episode credits

Guest stars Cindy Crawford

Where to watch Who Do You Think You Are?

Episode 7

Trisha Yearwood

42m

Since her parents passed, country singer Trisha Yearwood knows little about her paternal side of the family. Her search for a deeper family connection takes Trisha to England, where she uncovers an ancestor’s history of crime, loss, and perseverance.

Episode credits

Guest stars Trisha Yearwood

Where to watch Who Do You Think You Are?

Episode 8

Jim Parsons

42mfinale

In tribute to his late father, actor Jim Parsons explores the ancestors on his paternal side of the family. The journey takes Jim to Louisiana and eventually France, where he discovers generations of his forefathers who made an indelible mark in history.

Episode credits

Guest stars Jim Parsons

Where to watch Who Do You Think You Are?

Episode information updated Sep 15, 2026

More about Who Do You Think You Are?

Cast

Sarah Jessica ParkerSelf
Lisa KudrowSelf
Brooke ShieldsSelf
Susan SarandonSelf
Matthew BroderickSelf
Spike LeeSelf
Billy PorterSelf
Nick OffermanSelf

Credits

Created by
Alex Graham

Production details

Status
Ended
Series type
Documentary
Episodes
85
Original language
English

Networks & production

  • NBCUnited States
  • TLCUnited States
  • Is or Isn't Entertainment
  • Wall to WallUnited Kingdom

Themes

ancestrycelebritygenealogytravel