Henry Louis Gates, Jr. uncovers the surprising roots of two people who were raised by artists: actor Michael Douglas and writer/director Lena Dunham.

Henry Louis Gates, Jr. uncovers the surprising roots of two people who were raised by artists: actor Michael Douglas and writer/director Lena Dunham.

Henry Louis Gates, Jr. uncovers the surprising roots of two people who were raised by artists: actor Michael Douglas and writer/director Lena Dunham.

Henry Louis Gates, Jr. introduces actors Lea Salonga and Amanda Seyfried to ancestors who are every bit as dramatic as the characters they've played on stage and screen, telling stories of relatives who survived heart-wrenching ordeals.

Henry Louis Gates, Jr. introduces actors Lea Salonga and Amanda Seyfried to ancestors who are every bit as dramatic as the characters they've played on stage and screen, telling stories of relatives who survived heart-wrenching ordeals.

Henry Louis Gates maps the family trees of pop icon Cyndi Lauper and actors Jamie Chung and Danny Trejo, exploring records in Italy, Korea, and Mexico to uncover ancestors whose stories were lost when their families immigrated to America.

Henry Louis Gates maps the family trees of pop icon Cyndi Lauper and actors Jamie Chung and Danny Trejo, exploring records in Italy, Korea, and Mexico to uncover ancestors whose stories were lost when their families immigrated to America.

Henry Louis Gates, Jr. explores the family trees of two award-winning writers: novelist Amy Tan and poet Rita Dove - traveling across China and the American South to uncover long lost stories of the ancestors who inspired their work.

Henry Louis Gates, Jr. explores the family trees of two award-winning writers: novelist Amy Tan and poet Rita Dove - traveling across China and the American South to uncover long lost stories of the ancestors who inspired their work.

Henry Louis Gates, Jr. explores the family trees of two award-winning writers: novelist Amy Tan and poet Rita Dove - traveling across China and the American South to uncover long lost stories of the ancestors who inspired their work.

Henry Louis Gates, Jr. explores the family trees of two award-winning writers: novelist Amy Tan and poet Rita Dove - traveling across China and the American South to uncover long lost stories of the ancestors who inspired their work.

Henry Louis Gates, Jr. explores the ancestry of actor Sharon Stone & model Chrissy Teigen, traveling across Europe & Thailand to reveal they aren't the first in their families who dared to dream big.

Henry Louis Gates maps the family trees of pop icon Cyndi Lauper and actors Jamie Chung and Danny Trejo, exploring records in Italy, Korea, and Mexico to uncover ancestors whose stories were lost when their families immigrated to America.

Henry Louis Gates, Jr. explores the ancestry of actor Sharon Stone & model Chrissy Teigen, traveling across Europe & Thailand to reveal they aren't the first in their families who dared to dream big.

Henry Louis Gates, Jr. explores the ancestry of actor Sharon Stone & model Chrissy Teigen, traveling across Europe & Thailand to reveal they aren't the first in their families who dared to dream big.

Henry Louis Gates, Jr. explores the ancestry of actor Sharon Stone & model Chrissy Teigen, traveling across Europe & Thailand to reveal they aren't the first in their families who dared to dream big.

Henry Louis Gates, Jr. maps the roots of actor Lizzie Caplan and comedian Hasan Minhaj - moving from shtetls in Eastern Europe to farmlands in northern India to meet ancestors whose bold decisions that forever reshaped their family trees.

Henry Louis Gates, Jr. maps the roots of actor Lizzie Caplan and comedian Hasan Minhaj - moving from shtetls in Eastern Europe to farmlands in northern India to meet ancestors whose bold decisions that forever reshaped their family trees.

Henry Louis Gates, Jr. helps America Ferrera and Darren Criss uncover their immigrant roots - meeting revolutionaries in Honduras, a Dutchman who helped build New York, and a young woman from the Philippines who made an incredible journey.

Henry Louis Gates, Jr. helps America Ferrera and Darren Criss uncover their immigrant roots - meeting revolutionaries in Honduras, a Dutchman who helped build New York, and a young woman from the Philippines who made an incredible journey.

Henry Louis Gates, Jr. helps America Ferrera and Darren Criss uncover their immigrant roots - meeting revolutionaries in Honduras, a Dutchman who helped build New York, and a young woman from the Philippines who made an incredible journey.

Henry Louis Gates, Jr. helps America Ferrera and Darren Criss uncover their immigrant roots - meeting revolutionaries in Honduras, a Dutchman who helped build New York, and a young woman from the Philippines who made an incredible journey.

Henry Louis Gates, Jr. introduces rapper Wiz Khalifa and actor Sanaa Lathan to ancestors who left the American South in search of better lives in the North, boldly breaking racial barriers and forever transforming their families.

Henry Louis Gates, Jr. introduces rapper Wiz Khalifa and actor Sanaa Lathan to ancestors who left the American South in search of better lives in the North, boldly breaking racial barriers and forever transforming their families.

Henry Louis Gates, Jr. introduces rapper Wiz Khalifa and actor Sanaa Lathan to ancestors who left the American South in search of better lives in the North, boldly breaking racial barriers and forever transforming their families.

Henry Louis Gates, Jr. introduces rapper Wiz Khalifa and actor Sanaa Lathan to ancestors who left the American South in search of better lives in the North, boldly breaking racial barriers and forever transforming their families.

Henry Louis Gates, Jr. meets actors Kristen Bell & Dax Shepard - a married couple who whose ancestors had some remarkable similarities. Telling stories of soldiers, settlers & criminals, Gates compels the pair to reimagine their family trees.

Henry Louis Gates, Jr. meets actors Kristen Bell & Dax Shepard - a married couple who whose ancestors had some remarkable similarities. Telling stories of soldiers, settlers & criminals, Gates compels the pair to reimagine their family trees.

Henry Louis Gates, Jr. meets actors Kristen Bell & Dax Shepard - a married couple who whose ancestors had some remarkable similarities. Telling stories of soldiers, settlers & criminals, Gates compels the pair to reimagine their family trees.

Henry Louis Gates, Jr. meets actors Kristen Bell & Dax Shepard - a married couple who whose ancestors had some remarkable similarities. Telling stories of soldiers, settlers & criminals, Gates compels the pair to reimagine their family trees.

Henry Louis Gates, Jr. uses DNA to help comedians Carol Burnett and Niecy Nash solve deep family mysteries.

Henry Louis Gates, Jr. uses DNA to help comedians Carol Burnett and Niecy Nash solve deep family mysteries.

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 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 Caribbean heritage of actors Liza Colon-Zayas and Delroy Lindo - meeting women and men who crisscrossed the globe to help their families move forward, often taking enormous risks.

Henry Louis Gates, Jr. maps the roots of actor Lizzie Caplan and comedian Hasan Minhaj - moving from shtetls in Eastern Europe to farmlands in northern India to meet ancestors whose bold decisions that forever reshaped their family trees.