SHELDON, LEONARD, WOLOWITZ, KOOTHRAPPALI AND AMY EXPERIMENT ON THE WOLOWITZ CHILDREN, ON "THE BIG BANG THEORY," THURSDAY, MARCH 7

"The Conference Valuation" - When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it, on THE BIG BANG THEORY, Thursday, March 7 (8:00-8:31 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

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

RECURRING CAST:

Kevin Sussman (Stuart)
Christine Baranski (Beverly)
Pamela Adlon (Halley)

GUEST CAST:

Chasty Ballesteros (Karen)
Jason Kravits (Danny)
Andre Boyer (Kwame)
Ben Rauch (Darren)

STORY BY: Chuck Lorre, Steven Molaro, Eric Kaplan

TELEPLAY BY: Steve Holland, Maria Ferrari, Jeremy Howe

DIRECTED BY: Mark Cendrowski