EVERYONE IMAGINES WHAT THEIR LIVES WOULD BE LIKE IF THEY HAD NEVER MET SHELDON, ON "THE BIG BANG THEORY," THURSDAY, DEC. 12

"The Cooper Extraction" - While Sheldon is away in Texas, everyone gathers to decorate the apartment Christmas tree, and they each realize how much he has changed their lives, on THE BIG BANG THEORY, Thursday, Dec. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network.

CAST:

Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)

RECURRING CAST:

Laurie Metcalf (Mary)
Kevin Sussman (Stuart)
Carol Ann Susi (Mrs. Wolowitz)
Brian Thomas Smith (Zack)

STORY BY: Steven Molaro, Eric Kaplan and Maria Ferrari

TELEPLAY BY: Jim Reynolds, Steve Holland and Tara Hernandez

DIRECTED BY: Mark Cendrowski

RATING: To Be Announced