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

Slideshow posted in Photos | Friday, March 22, 2013

21 of 51: From left, actors Mayim Bialik, Simon Helberg, Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar and Melissa Rauch, from the cast of 'The Big Bang Theory,' perform 'The Time Warp' from 'The Rocky Horror Picture Show' at the 21st annual 'A Night at Sardi's' benefit for the Alzheimer's Association at the Beverly Hilton Hotel on March 20, 2013. ( Photo / Jordan Strauss / Invision for Alzheimer's Association / AP Images)

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