Who Do You Think You Are?

Actress Aisha Tyler dives into her mom's lineage and uncovers an ancestor who struggled to keep his illegitimate son a secret. Then, her two-times great-grandfather exemplifies bravery and determination during one of America's most tumultuous eras.

Patriotic actor Scott Foley investigates family lore about a Revolutionary War hero and finds an ancestor who put his life on the line for a founding father. Later, he uncovers a shocking tale of a relative entangled in the Salem witch trials.

Katey Sagal goes on an emotional journey to understand her mom's life as a USO performer. She also finds a surprising link to the Amish and uncovers the harrowing story of her relative's daring escape from attackers.

Molly Ringwald explores family lore of Swedish royalty and uncovers her ancestors' harrowing lives. Her search also reveals women who suffered through unspeakable tragedies and one brave immigrant who forever changed her family's fate.

Chris Noth tracks down family torn apart by a devastating disaster when he follows his relative's trail from Spain to Ireland. He finds a man who endured oppression but rose up to fight in one of the fiercest battles of all time to become a war hero.

Lea Michele unravels secrets of her Jewish roots and discovers a great-grandmother lost without a country. She also finds relatives fighting to be together, ancestors suffering devastating loss and long-lost family reuniting after decades of separation.