THE UNIVERSITY FORCES SHELDON TO TAKE A VACATION, ON "THE BIG BANG THEORY," THURSDAY, FEB. 9

"The Vacation Solution" - When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab. Meanwhile, Bernadette wants Howard to sign a pre-nup, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

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

RECURRING CAST:

Joshua Malina (President Seibert)

GUEST STARS:

Nick Clifford (Phil)

STORY BY: Chuck Lorre, Anthony Del Broccolo and Tara Hernandez

TELEPLAY BY: Bill Prady, Steven Molaro and Maria Ferrari

DIRECTED BY: Mark Cendrowski

RATING: To Be Announced