LISA KUDROW, SARAH JESSICA PARKER AND SUSAN SARANDON STAR IN NBC'S 'WHO DO YOU THINK YOU ARE?' PREMIERING APRIL 20

New Alternative Series Produced by Kudrow and Wall To Wall Productions Unearths Celebrity Family Trees and Reveals Inspiring Personal Stories Linked to America's Fascinating History

BURBANK - January 27, 2009 - Some of today's most-beloved and iconic celebrities including Lisa Kudrow, Sarah Jessica Parker and Susan Sarandon are set to star in NBC's new alternative series "Who Do You Think You Are?" premiering on Monday, April 20 (8-9 p.m. ET).

From executive producer Kudrow ("Friends," "The Comeback") in conjunction with her production company Is or Isn't Entertainment and the U.K.'s Wall to Wall productions, the series - an adaptation of the award-winning hit British television documentary series - will lead celebrities on a journey of self-discovery as they unearth their family trees that reveal surprising, inspiring and even tragic stories that often are linked to crucial events in American history.

Additional celebrity names will be announced shortly.

The announcement was made today by Paul Telegdy, Executive Vice President, Alternative Programming, NBC and Universal Media Studios.

"No other program gives this unique glimpse into the personal lives of celebrities or takes viewers on a quantum leap through history in such an entertaining way," said Telegdy. "We are thrilled to have Lisa, Susan and Sarah Jessica kick off this groundbreaking series."

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

Each episode will take viewers on an emotional, personal - and often mysterious - quest following one of America's best-known celebrities into his or her past, sharing the celebrity's surprise as they uncover stories of heroism and tragedy, love and betrayal, secrets and intrigue that lie at the heart of their family history.

At the same time, the series celebrates the twists and turns of a developing great nation and the people who made their way here in search of freedom and opportunity. As each one discovers their unknown relatives - most of whom overcame hard times - the show will take the audience back into world history to expose how the lives of everyone's collective ancestors' have shaped today's world.

"Who Do You Think You Are?" is produced by Wall to Wall productions in association with Is Or Isn't Entertainment. Alex Graham and Lucy Carter from Wall to Wall and Lisa Kudrow, Dan Bucatinsky and Don Roos from Is or Isn't Entertainment are the executive producers. Bryn Freedman ("Intervention") is the co-executive producer. The unique, award-winning series is based on the popular BBC television documentary series created and executive-produced by Alex Graham.

Wall to Wall is an Emmy Award-winning producer of factual and drama programming. Recently voted one of the seven most creative production companies in the world by the Real Screen Global 100 List, Wall to Wall is best known in the U.S. for the break-out reality formats "Frontier House" and "Colonial House." Is or Isn't Entertainment has been developing and producing television for the last five years, producing the critically acclaimed and Emmy nominated series "The Comeback."