“The Roommate Transmogrification” — After hearing Leonard (Johnny Galecki, left) and Priya indulge in a “Star Trek” bedroom fantasy, Raj (Kunal Nayyar, right) moves in with Sheldon, on the fourth season finale of THE BIG BANG THEORY, Thursday, May 19 (8:00-8:31 PM, ET/PT) on the CBS Television Network.
Photo: Matt Kennedy/CBS
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