When "Who Do You Think You Are?" returns on Tuesday, Feb. 24 at 10/9c, celebrities will discover life-altering truths about their ancestors.

Lisa Kudrow visits The Talk to promote the newest season of "Who Do You Think You Are?" and announce that Talk host Julie Chen will appear on the show!

Julie Chen never knew her maternal grandfather; he died long before Julie was born. All she had heard was that he was a wealthy playboy with a rags-to-riches story.

As award-winning singer Josh Groban digs into his eight times great-grandfather's successful life in Germany, he has an uneasy feeling. Why did he give it all up?

WHO DO YOU THINK YOU ARE? returns this spring to give eight new celebrities a unique opportunity to dig into their roots and learn more about their family history. New episodes begin Sunday, March 8 at 10/9c.

Get to know Dan Bucatinsky, Executive Producer of "Who Do You Think You Are?" In this video, the actor, author, dad and TV fanatic answers questions about his life and career.

Actor/Producer Sean Hayes searches for the cause of his estranged father's troubled past and uncovers a shocking trail of tragedy and crime that reaches back generations.

America Ferrera searches for a connection to a father she barely knew, and discovers a great grandfather who led multiple revolts against the government and left an enduring mark on Honduran history.

When Julie Chen visits her great-grandfather's grave and notices the beautiful view it commands, a historian explains that graves were ordered by principles of feng shui.

Melissa Etheridge digs into her French roots and finds a family shaken by a scandalous lawsuit; a turbulent relationship entangled with tragedy; and an adventuresome ancestor who prospered in colonial America.

America Ferrera and her sister look at old family photos and share memories of their dad, who left when she was just eight.

Tony Goldwyn's 3 times great-grandparents were political activists behind the Seduction Act. He learns why this legislation was so important to them.

Beyond a family of Hollywood legends, actor/director Tony Goldwyn explores his maternal lineage. He is introduced to a heritage of political activism; a couple ahead of their time proudly fighting for abolition, women's rights and westward expansion.

Josh Groban studies a record book of his eight times great-grandfather's academic career and has fun making a few assumptions about the man's character and style.

Angie learns that her ancestor Michael Harmon reported to one of George Washington's toughest generals. That said, Michael's promotion to corporal was a pretty big deal!

With her distant relative and a translator, Julie Chen visits the house owned by her great-grandfather and sees the place where her grandfather was born.

First look at Julie Bowen on Who Do You Think You Are?.

In this episode recap, Zooey Deschanel traces her lineage back to times of prejudice and violence, finding her ancestors in the heat of battle and standing up for human rights.

Kelsey Grammer portrayed the urbane psychiatrist Frasier Crane on TV for years, but incredibly, the actor has a connection to the dusty Oregon Trail. Watch this recap for more on Kelsey's family history.

Kelsey Grammer takes a trip into the past to explore his beloved grandmother's family, and along the way, uncovers the story of a woman haunted by demons and a family that risked everything.

In this episode recap, actress Christina Applegate solves the mystery of her grandparents' estrangement and must give her father the heartbreaking news.

In this episode recap, supermodel Cindy Crawford learns that her Midwestern family can be traced back to an early English settler in New Haven -- and she's got a royal connection that leaves her in shock!

Who Do You Think You Are is back with new celebrities discovering their family histories. The new season begins Sunday, April 3 at 9/8c.

After actress Julie Bowen finds out that her ancestor became a prominent figure of the American Protective League during WWI she connects it back to current affairs today.

Actress Julie Bowen reads a document describing how her ancestors fought to end slavery, and how their actions relate back to today.

In this episode recap, country music superstar Trisha Yearwood discovers the surprising reason why her distant relative Samuel Winslett came to America.

Aisha Tyler's journey reveals an ancestor who, as a politician, struggled to keep his illegitimate son a secret.

Get a first look at Jennifer Grey’s journey on Who Do You Think You Are?

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

In this episode recap, actress Cynthia Nixon processes shock, grief, then pride as she learns of her ancestor's surprising role in prison reform.

Aisha Tyler learns more details about the time in which her 2x great grandfather lived from an 1865 Galveston, Texas newspaper.

In this episode recap, actor Jesse Tyler Ferguson is bitterly disappointed to learn his great-grandfather was a hustler. He travels to the Klondike to find out if his last great business risk paid off -- and restored his name.