SHELDON AND AMY ARE BAFFLED BY THE GIFT PENNY AND LEONARD GAVE THEM FOR THEIR WEDDING, ON "THE BIG BANG THEORY," WHEN IT MOVES TO ITS REGULAR TIME SLOT, THURSDAY, SEPT. 27

"The Wedding Gift Wormhole" - Sheldon and Amy drive themselves crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding. Also, Koothrappali decides he wants to settle down and asks his father to arrange a marriage for him, on THE BIG BANG THEORY, when it moves to its regular time slot, Thursday, Sept. 27 (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)
Brian George (Dr. Koothrappali)
Brian Posehn (Bert)
Lauren Lapkus (Denise)

GUEST CAST:

Luis Aldana (Greg)
Kikey Castillo (Leslie)

STORY BY: Steve Holland, Steven Molaro, Maria Ferrari

TELEPLAY BY: Dave Goetsch, Eric Kaplan, Andy Gordon

DIRECTED BY: Mark Cendrowski