kaley cuoco, mayim bialik and melissa rauch fakes Kaley Cuoco Mayim Bialik Melissa Rauch “The Countdown Reflection” — When Howard and Bernadette (Melissa Rauch, right) decide they want to be married before his NASA launch, the gang rushes to put on a wedding, on the fifth season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Jim Parsons (left) and Mayim Bialik (center). Photo: Michael Yarish/CBS ????????2012 CBS Broadcasting, Inc. All Rights Reserved. “The Agreement Dissection” — When Priya uses her lawyer skills to pick apart the roommate agreement, the girls (Kaley Cuoco, left; Mayim Bialik, right) take Sheldon (Jim Parsons, center) dancing, on THE BIG BANG THEORY, Thursday, April 28 (8:00-8:31 PM, ET/PT) on the CBS Television Network.Photo: Rober Voets/CBS©2011 CBS Broadcasting Inc. All Rights Reserved “The Holographic Excitation” — Bernadette (Melissa Rauch, left) talks to Amy (Mayim Bialik, center) and Penny (Kaley Cuoco, right) about how Wolowitz has been acting since his return from space, on THE BIG BANG THEORY, Thursday, Oct. 25 (8:00 Ã¢Â?Â? 8:30 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS Ã?Â© 2012 CBS Broadcasting, Inc. All Rights Reserved.