VIDEO

Political analyst Linda Chavez learns about her ancestors who were Pueblo. Watch Finding Your Roots video.

Henry Louis Gates, Jr. reveals the ancestral pasts of actor Adrian Grenier, actress Michelle Rodriguez, and commentator Linda Chavez.

Henry Louis Gates, Jr. finds some surprising connections when he traces actress Michelle Rodriguez's Puerto Rican roots.

Actor Adrian Grenier learns about about his Conquistador ancestor who had terribly violent interactions with Pueblo Indians.

Henry Louis Gates, Jr. reveals the ancestral pasts of musician John Legend and comedian Wanda Sykes. Watch the full Finding Your Roots episode.

Henry Louis Gates, Jr. learns about a friend's great, great, great grandmother, an 18th-century slave who sued her master for her own freedom. Watch video.

Comedian Wanda Sykes recalls a poorly-received stand-up routine early on in her career. Watch video.

Music artist John Legend discusses his early musical beginnings and shows rare footage where he performs one of his earliest compositions. Watch video.

Henry Louis Gates, Jr. reveals the ancestral pasts of author and TV personality Martha Stewart, comedian Margaret Cho, and CNN correspondent Sanjay Gupta. Watch the full Finding Your Roots episode.

Martha Stewart comes from a long line of domestic workers and craftsmen. Watch video.

Comedian and actress Margaret Cho talks about her experience living as a young adult in San Francisco's Castro District during the late 1970s. Watch video.

Finding Your Roots uncovers scrolls that have recorded 8 generations of Sanjay Gupta's father's line. Watch video.

Henry Louis Gates, Jr. reveals the ancestral pasts of actor Samuel L. Jackson, former Secretary of State Condoleezza Rice, and Brown University President Ruth Simmons. Watch the full episode.

Former Secretary of State Condoleezza Rice remembers the September 1963 bombing of the 16th Street Baptist Church which killed four young black girls. Rice was 9 years old at the time of the bombing.

Brown University President Ruth Simmons grew up in a family of sharecroppers. Sharecropping is a notorious system in which farmers pick cotton and live on someone else's land for a share of the profits. Watch video.

Actor Samuel L. Jackson discusses his experience growing up with racism in mid-20th-century segregated America. Watch video.

The ancestral pasts of actors Robert Downey, Jr. and Maggie Gyllenhaal: two individuals whose family histories can be traced far back through the centuries. Watch full episode.

Henry Louis Gates, Jr. corrects a long-standing story in Maggie Gyllenhaal's family about an ancestor who supposedly collected butterflies.

Robert Downey, Jr. to his ancestors who were early colonists in Pennsylvania, including a patriot ancestor

Finding Your Roots looks into the ancestral pasts of Pastor Rick Warren, Rabbi Angela Buchdahl, and Sheikh Yasir Qadhi.