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.

Where to Watch

Available to Stream

Next on TV

Provider: Eastern (ET) Change
Thu May 24 3:00am
Jennifer Grey(Season 9, Episode 3) TLC

Jennifer Grey learns more about the grandfather she thought she knew as she uncovers how he survived adversity to become a leader of his community; and discovers the tragic reason why a great-grandmother never made it to America.

I’ll Watch82 Watching
Thu May 24 4:00am
Jessica Biel(Season 9, Episode 5) TLC

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.

I’ll Watch92 Watching
Fri May 25 3:00am
Noah Wyle(Season 9, Episode 4) TLC

Noah Wyle investigates his maternal family line and discovers an ancestor who was in one of America's biggest wars, but whose life spiraled out of control from success to a tragic end.

I’ll Watch78 Watching
Fri May 25 4:00am
Julie Bowen(Season 9, Episode 2) TLC

Julie Bowen makes a shocking discovery that a beloved relative led a nefarious organization that triggered a dark chapter of U.S. history, and uncovers another ancestor who fought for the lives and freedom of African-Americans.

I’ll Watch62 Watching
Mon May 28 5:00pm
Jim Parsons(Season 4, Episode 8) TLC

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.

I’ll Watch722 Watching
Mon May 28 6:00pm
Christina Applegate(Season 4, Episode 2) TLC

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

I’ll Watch575 Watching
Mon May 28 7:00pm
Laverne Cox(Season 10, Episode 2) TLC

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.

I’ll Watch30 Watching
Mon May 28 8:00pm
Jon Cryer(Season 10, Episode 1) TLC

In the Season 10 premiere, 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 (more…)

I’ll Watch45 Watching
Mon May 28 9:00pm
Megan MullallyNew(Season 10, Episode 3) TLC

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.

I’ll Watch4 Watching
Mon May 28 10:02pm
Sean Hayes(Season 6, Episode 4) TLC

Actor Sean Hayes goes to Ireland to research his family history, and looks for clues about his estranged father's troubled past.

I’ll Watch156 Watching
Mon May 28 11:02pm
Megan Mullally(Season 10, Episode 3) TLC

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.

I’ll Watch4 Watching
Tue May 29 12:02am
Sean Hayes(Season 6, Episode 4) TLC

Actor Sean Hayes goes to Ireland to research his family history, and looks for clues about his estranged father's troubled past.

I’ll Watch156 Watching
Tue May 29 1:02am
Jon Cryer(Season 10, Episode 1) TLC

In the Season 10 premiere, 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 (more…)

I’ll Watch45 Watching
Tue May 29 2:02am
Laverne Cox(Season 10, Episode 2) TLC

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.

I’ll Watch30 Watching
Mon Jun 4 9:00am
Jon Cryer(Season 10, Episode 1) TLC

In the Season 10 premiere, 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 (more…)

I’ll Watch45 Watching
Mon Jun 4 10:00am
Julie Chen(Season 6, Episode 1) TLC

In the season premiere, Julie Chen travels to China to visit her maternal grandfather's birthplace and chart his career as a successful businessman.

I’ll Watch150 Watching
Mon Jun 4 8:00pm
Megan Mullally(Season 10, Episode 3) TLC

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.

I’ll Watch4 Watching
Mon Jun 4 9:00pm
Hilary DuffNew(Season 10, Episode 4) TLC

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.

I’ll Watch1 Watching
Mon Jun 4 11:35pm
Hilary Duff(Season 10, Episode 4) TLC

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.

I’ll Watch1 Watching
Tue Jun 5 2:05am
Megan Mullally(Season 10, Episode 3) TLC

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.

I’ll Watch4 Watching

Cast & Details See all »

  • Premiered: March 5, 2010
  • Rating: TV-PG
  • Premise: 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 wo… (more)

Show More »

Trending TonightSee all »