LEONARD, SHELDON AND WOLOWITZ TRY TO ADVANCE THE CAUSE OF WOMEN IN SCIENCE, ON A REBROADCAST OF "THE BIG BANG THEORY," AT A SPECIAL TIME, THURSDAY, SEPT. 19

"The Contractual Obligation Implementation" - Leonard, Sheldon and Wolowitz speak to junior high girls about careers in science. Meanwhile, Koothrappali plans a date with Lucy, on a rebroadcast of THE BIG BANG THEORY, at a special time, Thursday, Sept. 19 (9:00 - 9:31 PM, ET/PT) on the CBS Television Network. (Originally broadcast 3/7/13.)

CAST:

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

GUEST CAST:

Kate Micucci (Lucy)
Brian Posehn (Bert)
Piper Mackenzie Harris (Girl #1)
Diamond White (Girl #2)
Dawson Fletcher (Justin)

STORY BY: Chuck Lorre, Eric Kaplan and Steve Holland

TELEPLAY BY: Steven Molaro, Jim Reynolds and Maria Ferrari

DIRECTED BY: Mark Cendrowski

RATING: To Be Announced