Who Do You Think You Are?

7 seasons available

Celebrities go on an emotional journey to trace their family tree with the help of historians and experts, discovering surprising -- and sometimes shocking -- secrets, mysteries and details about where they came from and who they really are.
Mandy Moore
S10 E1

Mandy Moore is given the opportunity to research her family tree.

Josh Duhamel
S10 E2

Actor Josh Duhamel travels to England to investigate the extraordinary life of his twelve times great-grandfather and uncovers a shocking, dark twist of interrogation and torture that rocks his belief system to the core.

Regina King
S10 E3

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.

Matthew Morrison
S10 E4

Actor Matthew Morrison explores his roots 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.

Jon Cryer
S9 E1

Jon Cryer's journey takes him from America to Scotland as he uncovers the dramatic tale of an ancestor who survived a catastrophic battle, endured horrific conditions as a prisoner of war, and was forced to come to America as an indentured servant.

Laverne Cox
S9 E2

Actress and activist Laverne Cox pieces together the inspiring life of her African American ancestor, who challenged societal norms and bravely pushed the boundaries just years after emancipation.

Megan Mullally
S9 E3

Megan Mullally explores a shocking pattern of dysfunction in her father's line; she finds her two-times great grandmother was bravely defying societal norms in order to fight for her family's survival, while struggling to hang on to her own sanity.

Hilary Duff
S9 E4

Actress Hilary Duff uncovers the tale of an ancestor who bravely led an American colony to battle a notorious gang of pirates; she dives centuries-deep into her Scottish roots and is shocked to discover that she descends from a heroic medieval king.

Molly Shannon
S9 E5

Actress Molly Shannon heads to Ireland in search of her mother's unknown family tree; her desperate ancestors were forced to choose between their faith and survival; a family legacy of bravery; meeting Irish cousins for the first time.

Jean Smart
S9 E6

Actress Jean Smart uncovers the curious tale of an unconventional ancestor in colonial Massachusetts, who got her children entangled in her own thievery ring and later faced execution when she was accused of witchcraft.

Courteney Cox
S8 E1

Courteney Cox traces her maternal line back to ambitious and ruthless relatives who plotted and murdered their way to power in medieval times, and she's shocked to discover that her ancestor is one of Europe's most famous characters.

Julie Bowen
S8 E2

Julie Bowen makes a shocking discovery that a beloved relative led a nefarious organization that triggered a dark chapter of U.S. history; another ancestor risked everything to fight for the lives and freedom of African Americans.

Jennifer Grey
S8 E3

Jennifer Grey discovers more about her grandfather as she uncovers how he survived adversity to become a beacon of his community, and discovers a great-grandmother whose devastating tragedy stopped her from making it to America.

Noah Wyle
S8 E4

Noah Wyle investigates his maternal family line, discovering an ancestor who was catapulted into one of America's biggest wars, and whose life spiraled from remarkable success to a tragic end.

Jessica Biel
S8 E5

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

Smokey Robinson
S8 E6

Motown legend Smokey Robinson tracks down a grandfather tangled in a swirl of controversy, and connects to a relative's familiar struggle with oppression while coming face to face with the gruesome history he knew was inevitable.

John Stamos
S8 E7

Actor John Stamos explores his Greek heritage for the first time and discovers an explosive feud that shattered his grandfather's childhood, and also hears firsthand about his family's enduring strength after meeting a relative he never knew.

Liv Tyler
S8 E8

Actress Liv Tyler unravels the mystery of her father Steven Tyler's maternal family line, uncovering ancestors who took part in famous American battles.

Aisha Tyler
S7 E1

Aisha Tyler tracks down her great-great-grandfather, whose story had been lost over generations, uncovering an astonishing tale of a prominent ancestor whose efforts to keep his illegitimate son a secret made headlines.

Scott Foley
S7 E2

Scott Foley finds a relative who risked his life for one of America's founding fathers, and an ancestor who suffered during one of this nation's darkest times.

Katey Sagal
S7 E3

Katey Sagal has an emotional and insightful meeting with her mother's friend and fellow USO performer and finds a surprising link to the Amish.

Molly Ringwald
S7 E4

Molly Ringwald explores Swedish royalty, which uncovers her ancestors' harrowing lives, and one brave immigrant who forever changed her family's fate.

Chris Noth
S7 E5

Chris Noth tracks family members torn apart by a devastating disaster when he follows his relatives' trail from Spain to Ireland, and finds a man who become a war hero.

Lea Michele
S7 E6

Lea Michele unravels secrets of her Jewish roots, discovering a great-grandmother lost without a country.

Ginnifer Goodwin
S6 E1

Actress Ginnifer Goodwin searches her family history in hopes of connecting her father with the grandparents he never knew; she is shocked to uncover lives filled with drug addiction and life-altering consequences.

Alfre Woodard
S6 E3

Actress Alfre Woodard researches her grandfather's roots; discovering a relative who endured a horrifying period in American history, but managed to accomplish an extraordinary feat.

Into the Archives
S6 E4

Highlights throughout the season with triumphs, tragedies, delightful discoveries and sobering moments; unveiling outtakes and never-before-seen footage.

Bryan Cranston
S6 E5

Actor Bryan Cranston explores his paternal roots, seeking answers to his father abandoning the family when he was just 11 and finding a troubling pattern of desertion; an honorable man and an aunt who never knew he existed.

Tom Bergeron
S6 E6

Television personality Tom Bergeron researches his paternal roots in France and discovers his nine-times great grandmother, Marguerite, who endured upheaval and faced going against her Protestant upbringing in order to survive.

Cynthia Nixon
S5 E1

Actress Cynthia Nixon discovers a mystery of deceit and murder searching for answers in her paternal line.

Jesse Tyler Ferguson
S5 E2

Actor Jesse Tyler Ferguson looks into his ancestry and discovers his great-grandfather was a hustler who seemed to meet trouble at every turn.

Valerie Bertinelli
S5 E4

Actress Valerie Bertinelli searches her ancestry to discover courageous ancestors who dealt with hardship and a royal lineage dating back centuries.

Kelsey Grammer
S5 E5

Actor Kelsey Grammer explores his grandmother's family; a woman haunted by demons; risking everything for a great migration.

Julie Chen
S5 E6

Television personality Julie Chen uncovers a dramatic tale when she sets out for rural China to learn more about her maternal grandfather, who died long before she was born.

Josh Groban
S5 E7

Singer Josh Groban traces his ancestry to Germany and discovers a relative who was a deacon, music teacher and well-known astronomer.

Angie Harmon
S5 E8

Actress Angie Harmon discovers an ancestor who gave up his freedom to come to America and fought for independence at a pivotal point in history.

Sean Hayes
S5 E9

Actor Sean Hayes searches his paternal ancestry for answers to his estranged father's troubled past and discovers a trail of tragedy and crime.

Tony Goldwyn
S5 E10

Actor Tony Goldwyn researches his maternal ancestry and discovers a heritage of political activism along with a couple who proudly fought for abolition, women's rights and westward expansion.

America Ferrera
S5 E11

Actress America Ferrera looks into the ancestry of a father she barely knew and discovers a great grandfather who led revolts and left an enduring mark on Honduran history.

Bill Paxton
S5 E12

Actor Bill Paxton searches his paternal ancestry and uncovers a war hero from a historic battle who shaped politics in the past.

Melissa Etheridge
S5 E13

Music artist Melissa Etheridge researches her French roots, discovering a scandalous lawsuit and a relationship entangled with tragedy.

Kelly Clarkson
S4 E1

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.

Christina Applegate
S4 E2

Actress Christina Applegate researches her paternal grandmother; she discovers the life and hardships of the woman she and her father never knew.

Chelsea Handler
S4 E3

Media mogul Chelsea Handler confronts her grandfather's rumored Nazi past; details are unearthed that will finally confirm or deny his affiliation.

Zooey Deschanel
S4 E4

Actress Zooey Deschanel searches her father's Quaker family background around Pennsylvania; she uncovers the story of an ancestor who sacrificed for her beliefs.

Chris O'Donnell
S4 E5

Actor Chris O'Donnell researches his paternal ancestry and links his family to the front lines of American history.

Cindy Crawford
S4 E6

Supermodel Cindy Crawford journeys to discover her family history; she finds ancestors dating back to the English Civil War and a connection to early European royalty.

Trisha Yearwood
S4 E7

Singer Trisha Yearwood searches for a family connection; she uncovers her ancestor's history in England.