Guests: Andy Cohen and Nina Totenberg. Henry Louis Gates, Jr. introduces Andy Cohen and Nina Totenberg to their survivor ancestors.

Henry Louis Gates, Jr. explores the roots of actor Jane Lynch and comedian Jim Gaffigan, revealing the Irish American experience through their families.

Guests: Tony Shalhoub and Christopher Meloni.

Henry Louis Gates, Jr. reveals the immigrant roots of actors Tony Shalhoub and Christopher Meloni, introducing ancestors who came to America to build a better life.

Guests: Pharrell Williams and Kasi Lemmons.

Henry Louis Gates, Jr. helps musician Pharrell Williams and filmmaker Kasi Lemmons uncover extraordinarily rare first-person accounts of their enslaved ancestors.

Guests: Clint Black and Rosanne Cash.

Henry Louis Gates, Jr. uncovers the remarkably diverse backgrounds of country music icons Clint Black and Rosanne Cash.

Guests: John Lithgow and Maria Hinojosa.

Henry Louis Gates, Jr. traces ancestors of actor John Lithgow and journalist Maria Hinojosa who thrived in North America long before the birth of the United States.

Guests: Gretchen Carlson and Don Lemon.

Henry Louis Gates, Jr. examines how journalists Gretchen Carlson and Don Lemon were able to overcome biases in their careers, drawing parallels to relatives who met profound challenges of their own.

Guests: Audra MacDonald and Mandy Patinkin.

Henry Louis Gates, Jr. investigates the family histories of Broadway stars Audra MacDonald and Mandy Patinkin, discovering ancestors whose struggles laid the groundwork for their success.

Guests: Lewis Black and Roy Wood, Jr.

Henry Louis Gates, Jr. provides comedians Lewis Black and Roy Wood, Jr. with accounts of hardship in their family trees which may have led them to each find humor in adversity.