Video: Who Do You Think You Are? - Series Preview

Viewers are invited to take an up-close and personal look inside the family history of some of today's most beloved and iconic celebrities with NBC's " Who Do You Think You Are? " Seven celebrities embark on the journeys of their lives-the quest to discover the genealogical roots of who they are. Starring in the new alternative series are Matthew Broderick , Lisa Kudrow , Spike Lee , Sarah Jessica Parker , Susan Sarandon , Brooke Shields and [...]