AMY AND SHELDON TRY TO WIN OVER NOBEL LAUREATES, ON "THE BIG BANG THEORY," THURSDAY, APRIL 4

Nobel Laureates Kip Thorne, George Smoot and Frances Arnold Guest Star

"The Laureate Accumulation" - When competitors Pemberton (Sean Astin)
and Campbell (Kal Penn)
charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also, Halley's fear of the dark leads to opportunity and conflict for Howard, Bernadette and Stuart, on THE BIG BANG THEORY, Thursday, April 4 (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)
Joshua Malina (President Siebert)
Sean Astin (Dr. Pemberton)
Kal Penn (Dr. Campbell)

GUEST CAST:

Professor George F. Smoot (Himself)
Professor Frances H. Arnold (Herself)
Professor Kip Thorne (Himself)

STORY BY: Steve Holland, Adam Faberman, David Saltzberg

TELEPLAY BY: Dave Goetsch, Eric Kaplan, Maria Ferrari

DIRECTED BY: Mark Cendrowski