Henry Louis Gates Explores Adrian Grenier's Heritage On "Finding Your Roots" (VIDEO)

Every week, Henry Louis Gates has investigated what it means to have a range of genealogical history including European and African heritage. This week on the season finale of his show "Finding Your Roots with Henry Louis Gates Jr.," the renowned Harvard professor is exploring what it means to be Latino.

Gates will delve into the family origins of actor Adrian Grenier, actress Michelle Rodriguez and Fox News political analyst Linda Chavez, each of whom discover their Latino identity is mixed with European, Native-American and African genealogy.

Gates' show has received tons of praise and has been called a "must see" television series. This season he helped a number of celebrities explore their family history including Barbara Walters, Martha Stewart and John Legend.

Find out what Grenier, Rodriguez and Chavez discover on tonight's episode on PBS at 9 p.m.