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Exclusive Big Bang Theory First Look: Sheldon Goes Karaoking With Darth Vader

Darth Vader has a black belt in Force Choking, holds a PhD in psychokinesis and can wield a lightsaber in his sleep — but how is he at karaoke?

Thursday’s The Big Bang Theory (8/7c, CBS) aims to answer that question when Sheldon spends a wild night out on the town with special guest star James Earl Jones that includes a detour to a karaoke bar. READ MORE & VIEW PHOTOS