Who Do You Think You Are?

Celebrities trace their ancestry, discovering secrets and surprises from their past. Actress Sarah Jessica Parker has always assumed that her ancestors were recent immigrants to the United States, but her coast-to-coast journey reveals that her family's roots are set deep in American history, including the California gold rush and even the Salem witch trials.

Lisa Kudrow travels to Europe to find out the truth of what actually happened to her great grandmother, who died in the Holocaust.

Martin Sheen's search for his past uncovers two ancestors who shared his passion for activism, and then it unexpectedly unearths an unknown family secret.

Country superstar Reba McEntire embarks on an ancestral journey to discover how her family came to America.

Actress and writer Rashida Jones sets out to find out more about her grandmother Rita and her Jewish heritage. Rashida starts her journey in New York, where Rita worked as a dancer in the 1930s. Here, Rashida pieces together a picture of Rita's youth and starts to unravel the mystery surrounding her grandmother's surname.

Singer-songwriter Kelly Clarkson discovers an ancestor with deep roots in American history. Kelly investigates the life of her three times great grandfather, Isaiah Rose, who fought against slavery during the American Civil War.