Guests: Ava DuVernay, S. Epatha Merkeson, Questlove. Henry Louis Gates, Jr. journeys with film director Ava DuVernay, actor S. Epatha Merkerson, and musician Questlove to the unexpected places where their ancestors were scattered by slavery, upend... (more)ing their notions of African American history—and their own family trees. (Contains content from previous episodes: Ava DuVernay previously appeared in S04E04. S. Epatha Merkeson previously appeared in S05E05. Questlove previously appeared in S04E09.)