BURBANK – OCTOBER 27: “The Vengeance Formulation” — After he’s humiliated on National Public Radio, Sheldon (Jim Parsons, right) vows before Leonard (Johnny Galecki, left) and Koothrappali (Kunal Nayyar, middle) to destroy Kripke, while Wolowitz tries not to destroy his new relationship with Bernadette, on THE BIG BANG THEORY, Monday, Nov. 23 (9:30-10:00 PM, ET/PT) on the CBS Television Network. (Photo by Cliff Lipson/CBS via Getty Images)