“Who Do You Think You Are?” NBC Premiere April 20 (Sarah Jessica Parker, Susan Sarandon, Lisa Kudrow)

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Actresses Sarah Jessica Parker, Susan Sarandon and Lisa Kudrow will star in a new NBC celebrity genealogy series, Who Do You Think You Are?, that examines the family trees of stars. The six-episode series, produced by Lisa, is based on a BBC documentary series popular in Britain.

“This show personalizes history and turns it into a gripping narrative,” Lisa said in a statement. “The most striking thing about the show is the realization of how connected we all are.”

Who Do You Think You Are? will debut Monday, April 20, at 8 PM.