This episode features two African-American politicians from different generations and opposing backgrounds. John Lewis grew up in a sharecropping family in rural Georgia, while Cory Booker was raised in an affluent, all-white New Jersey suburb. Although both men have devoted their lives to the betterment of African-American people, neither of them knows much about their own ancestors.

In this episode, we unearth missing links in the family histories of media legend Barbara Walters and educational superstar Geoffrey Canada. Walters did not know her father's real last name. Canada did not know the name of his grandfather. Both of them had been unable to access their history until now.

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.

Pastor Rick Warren, Rabbi Angela Buchdahl and Sheik Yasir Qadhi are of three different faiths, all with complex family histories that profoundly shaped their religious beliefs. Our research of their roots unearthed a story about the spiritual foundations of the United States, an unrelenting struggle to achieve the ideal of religious freedom and tolerance, but also the difficulties.

Actors Robert Downey, Jr and Maggie Gyllenhaal are textbook examples of Americans with a rich tapestry of European immigrant stories making up their family trees. We delve in to their deep American roots in early colonial communities, and we meet their Eastern European Jewish ancestors, who share almost identical migration stories.