Finding Your Roots With Henry Louis Gates, Jr.

Newark, N.J., Mayor Cory Booker is introduced to his white great-grandfather; Rep. John Lewis (D-Ga.) learns about his slave ancestors.

Barbara Walters finds out about her father, including his real surname; Geoffrey Canada learns the name of his grandfather.

Kevin Bacon and Kyra Sedgwick are famous actors descended from prominent American families that have been in the United States since its inception, and both have ancestors who were early opponents of slavery.

Research on the roots of Pastor Rick Warren, Rabbi Angela Buchdahl and Sheikh Yasir Qadhi unearths a story about the spiritual foundations of the United States.

Actors Robert Downey Jr. and Maggie Gyllenhaal learn about their Eastern European Jewish ancestors.