The Big Bang Theory Sneak Preview: The Itchy Brain Simulation

After "The Proton Displacement" episode of The Big Bang Theory, CBS showed a sneak preview of Season 7 Episode 8 "The Itchy Brain Simulation." In "The Itchy Brain Simulation" episode, Leonard tries to keep Sheldon from overreacting when a past mistake comes to light, but Sheldon punishes Leonard by making him walk a mile in his shoes.  Meanwhile, Penny confronts Raj's ex-girlfriend, Lucy. "The Itchy Brain Simulation" episode of The Big Bang Theory airs on Thursday, November 14, 2013 from 8:00 PM to 8:31 PM ET/PT on CBS.