BURBANK – OCTOBER 27: “The Vengeance Formulation” — After he’s humiliated on National Public Radio, Sheldon vows to destroy Kripke, while Wolowitz (Simon Helberg) 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)