Air date: 2015-03-08

Runtime: 42 min

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.

Air date: 2015-03-15

Runtime: 42 min

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

Air date: 2015-03-22

Runtime: 42 min

Actress Angie Harmon discovers an ancestor who gave up his freedom to come to America and fought for independence at a pivotal point in history.

Air date: 2015-03-29

Runtime: 42 min

Actor/Producer Sean Hayes searches for the cause of his estranged father's troubled past and uncovers a shocking trail of tragedy and crime that reaches back generations.

Air date: 2015-04-05

Runtime: 42 min

Actor Tony Goldwyn researches his maternal ancestry and discovers a heritage of political activism along with a couple who proudly fought for abolition, women's rights and westward expansion.

Air date: 2015-04-12

Runtime: 42 min

America Ferrera learns about her great-grandfather's pivotal role in Honduran history, and seeks a connection to the father she hardly knew.

Air date: 2015-04-19

Runtime: 42 min

Actor Bill Paxton searches his paternal ancestry and uncovers a war hero from a historic battle who shaped politics in the past.

Air date: 2015-04-26

Runtime: 42 min

Music artist Melissa Etheridge researches her French roots, discovering a scandalous lawsuit and a relationship entangled with tragedy.