Highlights from the Fourteenth Episode of Season 5 of The Big Bang Theory

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Dating Experiment

Leonard (Johnny Galecki, right) and Penny (Kaley Cuoco, left) experiment with dating, while Raj develops a peculiar relationship with his phone's virtual assistant, on THE BIG BANG THEORY. Photo: Monty Brinton/ CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.