In this riveting series premiere, Sarah Jessica Parker embarks on an exciting adventure into the unknown to learn about her family tree. With the help of Ancestry.com, Sarah Jessica's story takes her on not one, but two awe-inspiring journeys first to Northern California and then to Salem, Massachusetts. Written by NBC Publicity

Football legend Emmitt Smith is intrigued by a family rumor that his paternal grandmother, Erma Lee Watson, had white ancestry. As he travels deep into rural Alabama to colonial Virginia and beyond on the trail of Erma's great grandmother Mariah, Smith uncovers a story more dramatic than he ever could have imagined. Written by NBC Publicity

Since childhood, Lisa Kudrow has known that her grandmother Gertrude had it tough. Gertrude's mother, Meri, perished in the Holocaust. Lisa's father recalls hearing about her death from a young Polish sailor, a cousin named Yuri who was last seen in New York in the late 1940s. Lisa's father never forgot Yuri for warning him and his family to leave their village for safety before the Nazi army invasion. From Los Angeles to Belarus, to the actual village where Meri once lived, Lisa's journey reveals clues leading her to something neither she nor her father ever thought possible. Written by NBC Publicity

Tony Award-winner Matthew Broderick delves into his family history.

Actress Brooke Shields embarks on a journey to discover which side of her divided and very different family she identifies with.

Oscar-Winner Susan Sarandon unlocks her mysterious family tree.

Director Spike Lee learns about his ancestors in the season finale.