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BEVERLY HILLS, CA - MARCH 04: Cast members of 'The Big Bang Theory' (L-R) Jim Parsons, Simon Helberg, Kaley Cuoco, Kunal Nayyar, Johnny Galecki at the The Alzheimer's Association's 17th Annual 'A Night At Sardi's' on March 4, 2009 at The Beverly Hilton Hotel, Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)

BEVERLY HILLS, CA - MARCH 04:  Cast members of 'The Big Bang Theory' (L-R)  Jim Parsons, Simon Helberg, Kaley Cuoco, Kunal Nayyar, Johnny Galecki at the The Alzheimer's Association's 17th Annual 'A Night At Sardi's' on March 4, 2009 at The Beverly Hilton Hotel, Beverly Hills, California.  (Photo by Frazer Harrison/Getty Images)