LOS ANGELES – MARCH 1: “The Wheaton Recurrence” — A fight between Leonard (Johnny Galecki, right) and Penny (Kaley Cuoco, left) threatens their relationship, while Sheldon battles Wil Wheaton in bowling, on THE BIG BANG THEORY, Monday, April 12 (9:31-10:00 PM, ET/PT) on the CBS Television Network. (Photo by Robert Voets/CBS via Getty Images)
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