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

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

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

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

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.

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.

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.

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.

Henry Louis Gates, Jr. journeys with Erin Burnett, Amy Carlson and Andre Leon Talley, three guests from diverse backgrounds, as they meet the ancestors who laid the groundwork for their success.

Henry Louis Gates, Jr. journeys with Erin Burnett, Amy Carlson and Andre Leon Talley, three guests from diverse backgrounds, as they meet the ancestors who laid the groundwork for their success.

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

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

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

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

Henry Louis Gates, Jr. meets actors LeVar Burton and Wes Studi two men who grew up without their fathers. With few clues to guide him, Gates introduces them to ancestors they've never known revealing connections to key moments in history.

Henry Louis Gates, Jr. meets actors LeVar Burton and Wes Studi two men who grew up without their fathers. With few clues to guide him, Gates introduces them to ancestors they've never known revealing connections to key moments in history.

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

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

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.