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

Slideshow posted in Photos | Friday, March 22, 2013

14 of 51: 'The Big Bang Theory' actress Mayim Bialik poses backstage 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 / John Shearer / Invision for Alzheimer's Association / AP Images)

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