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. 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.

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

Henry Louis Gates, Jr. explores the remarkable roots of singers Alanis Morissette and Ciara, using DNA analysis and genealogical detective work to travel back centuries, revealing his guest's hidden connections to history and to music.

Henry Louis Gates, Jr. explores the remarkable roots of singers Alanis Morissette and Ciara, using DNA analysis and genealogical detective work to travel back centuries, revealing his guest's hidden connections to history and to music.

Henry Louis Gates, Jr. explores the remarkable roots of singers Alanis Morissette and Ciara, using DNA analysis and genealogical detective work to travel back centuries, revealing his guest's hidden connections to history and to music.

Henry Louis Gates, Jr. meets Valerie Bertinelli and Brendan Fraser two actors who found fame when they were young and lived their lives in the limelight, cut off from their roots. Each discovers ancestors who paved the way for their success.

Henry Louis Gates, Jr. meets Valerie Bertinelli and Brendan Fraser two actors who found fame when they were young and lived their lives in the limelight, cut off from their roots. Each discovers ancestors who paved the way for their success.

Henry Louis Gates, Jr. meets Valerie Bertinelli and Brendan Fraser two actors who found fame when they were young and lived their lives in the limelight, cut off from their roots. Each discovers ancestors who paved the way for their success.

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. 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. helps singer Sammy Hagar and actor Ed O'Neill uncover their roots, revealing secrets their ancestors went to great lengths to conceal and celebrating the virtue of accepting one's relatives, whoever they may be.

Henry Louis Gates, Jr. helps singer Sammy Hagar and actor Ed O'Neill uncover their roots, revealing secrets their ancestors went to great lengths to conceal and celebrating the virtue of accepting one's relatives, whoever they may be.

Henry Louis Gates, Jr. helps singer Sammy Hagar and actor Ed O'Neill uncover their roots, revealing secrets their ancestors went to great lengths to conceal and celebrating the virtue of accepting one's relatives, whoever they may be.

Henry Louis Gates, Jr. uncovers the roots of comedians Bob Odenkirk and Iliza Shlesinger two very funny people whose family trees brim with dramatic stories, introducing them to relatives who took great risks to overcame enormous hardships.