The Big Bang Theory Sneak Preview: The Thanksgiving Decoupling

After "The Itchy Brain Simulation" episode of The Big Bang Theory, CBS showed a sneak preview of Season 7 Episode 9 "The Thanksgiving Decoupling." In "The Thanksgiving Decoupling" episode, Sheldon protests when the gang drags him to Mrs. Wolowitz's house for Thanksgiving. Meanwhile, Penny and Leonard must deal with a mistake from her past. "The Thanksgiving Decoupling" episode of The Big Bang Theory airs on Thursday, November 21, 2013 from 8:00 PM to 8:31 PM ET/PT on CBS.