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 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.

Singer Josh Groban traces his ancestry to Germany and discovers a relative who was a deacon, music teacher and well-known astronomer.