Who Do You Think You Are?

Actress Cynthia Nixon discovers a mystery of deceit and murder searching for answers in her paternal line.

Actor Jesse Tyler Ferguson looks into his ancestry and discovers his great-grandfather was a hustler who seemed to meet trouble at every turn.

Actress Rachel McAdams finds harrowing circumstances in her Canadian ancestry; connecting with relatives uprooted by war; discovering an English ancestor in a privileged world.

Actress Valerie Bertinelli searches her ancestry to discover courageous ancestors who dealt with hardship and a royal lineage dating back centuries.

Actor Kelsey Grammer explores his grandmother's family; a woman haunted by demons; risking everything for a great migration.

Television personality Julie Chen uncovers a dramatic tale when she sets out for rural China to learn more about her maternal grandfather, who died long before she was born.