Amy Throws a Victorian Christmas Party in "The Clean Room Infiltration"

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Giving Amy a present

Amy (Mayim Bialik, right) throws an authentic Victorian Christmas party, and Sheldon (Jim Parsons, left) seeks revenge on her for making him celebrate the holidays, on THE BIG BANG THEORY, Thursday, Dec. 11 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2014 WBEI. All rights reserved