DNA Mysteries
S6:E12
2020
IMDb
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.)