When does Finding Your Roots return?

Finding Your Roots with Henry Louis Gates Jr. premiered on March 25, 2012, on PBS. The series uses traditional genealogical research (written records) and genetics (DNA testing) to discover the family history of well-known Americans. In each episode, celebrities are presented with a "book of life" with information researched by professional genealogists.
The series uses traditional genealogical research (written records) and genetics (DNA testing) to discover the family history of well-known Americans. The show's professionals typically spend hundreds of hours researching each guest. Each celebrity guest is given a book of life which contains all the information discovered about the guest's genealogy.