The Big Bang Theory 12x23 "The Change Constant" & 12x24 "The Stockholm Syndrome" Promo Trailer (Series Finale) - Sheldon and Amy await big news, on the series finale of THE BIG BANG THEORY, Thursday, May 16th on CBS.

The Big Bang Theory 12x24 "The Stockholm Syndrome" (Series Finale) - Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; and Koothrappali makes a new friend, as the gang travels together into an uncharted future, on the series finale of THE BIG BANG THEORY, Thursday, May 16th on CBS.