Discover the unsolved mysteries behind the family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker as they learn how the legacy of slavery has shaped their identities.

Discover the unsolved mysteries behind the family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker as they learn how the legacy of slavery has shaped their identities.

Learn how the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans struggled for freedom, and how each of these cultural trailblazers gains a new understanding of how they fit into this proud trajectory.

Learn how the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans struggled for freedom, and how each of these cultural trailblazers gains a new understanding of how they fit into this proud trajectory.

Learn how the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans struggled for freedom, and how each of these cultural trailblazers gains a new understanding of how they fit into this proud trajectory.

Learn how the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans struggled for freedom, and how each of these cultural trailblazers gains a new understanding of how they fit into this proud trajectory.

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.

Uncover a history of tragedies and triumphs in the families of three of America's funniest men-Jimmy Kimmel, Norman Lear and Bill Hader-as they learn how comedy truly has its place in all aspects of life.

Uncover a history of tragedies and triumphs in the families of three of America's funniest men-Jimmy Kimmel, Norman Lear and Bill Hader-as they learn how comedy truly has its place in all aspects of life.

Discover how the ancestors of business mogul Richard Branson and architects Maya Lin and Frank Gehry took audacious risks to create opportunities, and how their luck, ingenuity and chutzpah was passed on to these three visionaries.

Discover how the ancestors of business mogul Richard Branson and architects Maya Lin and Frank Gehry took audacious risks to create opportunities, and how their luck, ingenuity and chutzpah was passed on to these three visionaries.

Discover how the ancestors of business mogul Richard Branson and architects Maya Lin and Frank Gehry took audacious risks to create opportunities, and how their luck, ingenuity and chutzpah was passed on to these three visionaries.

Discover how the ancestors of business mogul Richard Branson and architects Maya Lin and Frank Gehry took audacious risks to create opportunities, and how their luck, ingenuity and chutzpah was passed on to these three visionaries.

Uncover a long history of military service in the families of Patricia Arquette, Julianne Moore and John McCain, and how this has instilled in each of them an enduring spirit of strength and integrity.

Uncover a long history of military service in the families of Patricia Arquette, Julianne Moore and John McCain, and how this has instilled in each of them an enduring spirit of strength and integrity.

Uncover a long history of military service in the families of Patricia Arquette, Julianne Moore and John McCain, and how this has instilled in each of them an enduring spirit of strength and integrity.

Uncover a long history of military service in the families of Patricia Arquette, Julianne Moore and John McCain, and how this has instilled in each of them an enduring spirit of strength and integrity.

Discover how Neil Patrick Harris, Gloria Steinem and Sandra Cisneros are connected to pioneers who broke new ground and paved the way for their modern-day descendants to continue shaping our culture.

Discover how Neil Patrick Harris, Gloria Steinem and Sandra Cisneros are connected to pioneers who broke new ground and paved the way for their modern-day descendants to continue shaping our culture.

Discover how Neil Patrick Harris, Gloria Steinem and Sandra Cisneros are connected to pioneers who broke new ground and paved the way for their modern-day descendants to continue shaping our culture.

Discover how actress Julianna Marguiles, author Azar Nafisi and chef Lidia Bastianich are bound together by their ancestors' singular and deeply human desire to preserve their most cherished traditions.

Henry Louis Gates, Jr. takes guests Claire Danes and Jeff Daniels on a journey through primal scenes from America's past-leading all the way back to an infamous witch hunt.

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