Season 12 Trailer
Sheldon and Amy's honeymoon runs aground in New York, while Penny and Leonard discover they are uncomfortably similar to Amy's parents, Mr. and Mrs. Fowler (Teller and Kathy Bates). Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war, on the 12th season premiere of The Big Bang Theory, Monday, Sept 24 at 8/7c. Only on CBS.