Guests: Gaby Hoffmann and Téa Leoni. Two guests whose lives have been shaped by family mysteries are introduced to biological ancestors they never knew they had thanks to genetic detective work.

Guests: Téa Leoni, Joe Madison. Henry Louis Gates, Jr. uses DNA detective work to solve mysteries in the family trees of actor Téa Leoni, and radio host Joe Madison, introducing each of them to parents and grandparents whose names they’ve never heard before. (Téa Leoni originally appeared in S04E08. Joe Madison originally appeared in S05E10.)