Henry Louis Gates traces the roots of actors Brian Cox and Viola Davis, uncovering records from workhouses in Scotland and slave plantations in South Carolina that reveal individuals who battled to build a better life for their families.

Henry Louis Gates traces the roots of actors Brian Cox and Viola Davis, uncovering records from workhouses in Scotland and slave plantations in South Carolina that reveal individuals who battled to build a better life for their families.

Henry Louis Gates uses DNA detective work to solve family mysteries for actor Joe Manganiello and football star Tony Gonzalez-uncovering close relatives whose names they've never heard and compelling each man to rethink his own identity.

Henry Louis Gates uses DNA detective work to solve family mysteries for actor Joe Manganiello and football star Tony Gonzalez-uncovering close relatives whose names they've never heard and compelling each man to rethink his own identity.

Henry Louis Gates uses DNA detective work to solve family mysteries for actor Joe Manganiello and football star Tony Gonzalez-uncovering close relatives whose names they've never heard and compelling each man to rethink his own identity.

Henry Louis Gates uses DNA detective work to solve family mysteries for actor Joe Manganiello and football star Tony Gonzalez-uncovering close relatives whose names they've never heard and compelling each man to rethink his own identity.

Henry Louis Gates helps actors David Duchovny and Richard Kind trace their roots from Jewish communities in Eastern Europe to the United States-telling stories of triumph and tragedy that laid the groundwork for his guest's success.

Henry Louis Gates helps actors David Duchovny and Richard Kind trace their roots from Jewish communities in Eastern Europe to the United States-telling stories of triumph and tragedy that laid the groundwork for his guest's success.

Henry Louis Gates helps actors David Duchovny and Richard Kind trace their roots from Jewish communities in Eastern Europe to the United States-telling stories of triumph and tragedy that laid the groundwork for his guest's success.

Henry Louis Gates helps actors David Duchovny and Richard Kind trace their roots from Jewish communities in Eastern Europe to the United States-telling stories of triumph and tragedy that laid the groundwork for his guest's success.

Henry Louis Gates reveals the unexpected family trees of activist Angela Y. Davis and statesman Jeh Johnson, using DNA and long-lost records to redefine notions of the black experience-and challenge preconceptions of America's past.

Henry Louis Gates reveals the unexpected family trees of activist Angela Y. Davis and statesman Jeh Johnson, using DNA and long-lost records to redefine notions of the black experience-and challenge preconceptions of America's past.

Henry Louis Gates reveals the unexpected family trees of activist Angela Y. Davis and statesman Jeh Johnson, using DNA and long-lost records to redefine notions of the black experience-and challenge preconceptions of America's past.

Henry Louis Gates reveals the unexpected family trees of activist Angela Y. Davis and statesman Jeh Johnson, using DNA and long-lost records to redefine notions of the black experience-and challenge preconceptions of America's past.

Henry Louis Gates introduces trail-blazing journalists Jim Acosta and Van Jones to the ancestors who blazed a trail for them, meeting runaway slaves and immigrant settlers who took enormous chances so that their descendants might thrive.

Henry Louis Gates introduces trail-blazing journalists Jim Acosta and Van Jones to the ancestors who blazed a trail for them, meeting runaway slaves and immigrant settlers who took enormous chances so that their descendants might thrive.

Henry Louis Gates introduces trail-blazing journalists Jim Acosta and Van Jones to the ancestors who blazed a trail for them, meeting runaway slaves and immigrant settlers who took enormous chances so that their descendants might thrive.

Henry Louis Gates introduces trail-blazing journalists Jim Acosta and Van Jones to the ancestors who blazed a trail for them, meeting runaway slaves and immigrant settlers who took enormous chances so that their descendants might thrive.

Henry Louis Gates uncovers the lost roots of actors Billy Crudup and Tamera Mowry-Housley, traveling back generations to recount significant events in history - from the American Revolution to the journey of the Mayflower - in a deeply personal way.

Henry Louis Gates, Jr. explores the roots of actor Julianne Moore, comedian Bill Hader and painter Kehinde Wiley, revealing how their ancestors' military service left an indelible mark on their families -- and on their country.

Henry Louis Gates, Jr. explores the roots of actor Julianne Moore, comedian Bill Hader and painter Kehinde Wiley, revealing how their ancestors' military service left an indelible mark on their families -- and on their country.

Henry Louis Gates, Jr. and guests Mario Lopez and Melissa Villasenor look at the Mexican American experience as seen through the lens of two families.

Henry Louis Gates, Jr. and guests Mario Lopez and Melissa Villasenor look at the Mexican American experience as seen through the lens of two families.

Henry Louis Gates, Jr. and guests Mario Lopez and Melissa Villasenor look at the Mexican American experience as seen through the lens of two families.

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.

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