'Big Bang Theory' cast performs 'Rocky Horror's 'Time Warp' (Photos)

Slideshow posted in Photos | Friday, March 22, 2013

19 of 51: From left, 'The Big Bang Theory' actors Jim Parsons, Melissa Rauch, Johnny Galecki, an audience member, and actors Kaley Cuoco and Kunal Nayyar perform 'The Time Warp' from 'The Rocky Horror Picture Show' at the 21st Annual 'A Night at Sardi's' to benefit the Alzheimer's Association at the Beverly Hilton Hotel on Wednesday, March 20, 2013 in Beverly Hills, California. ( Photo / Jordan Strauss / Invision for Alzheimer's Association / AP Images)

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