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BEVERLY HILLS, CA - JULY 18: (L-R) Actor Jim Parsons, actress Kaley Cuoco, and actor Johnny Galecki speak for the television show 'The Big Bang Theory' during the CBS portion of the Television Critics Association Press Tour at the Beverly Hilton Hotel on July 18, 2007 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)

BEVERLY HILLS, CA - JULY 18:  (L-R) Actor Jim Parsons, actress Kaley Cuoco, and actor Johnny Galecki speak for the television show 'The Big Bang Theory' during the CBS portion of the Television Critics Association Press Tour at the Beverly Hilton Hotel on July 18, 2007 in Beverly Hills, California.  (Photo by Frederick M. Brown/Getty Images)