Watch The Big Bang Theory Season 2 Episode 12 online via TV Fanatic with over 6 options to watch the The Big Bang Theory S2E12 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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When Penny's comments about Wolowitz's love life sends him into depression, the boys are about to lose their most important teammate in an upcoming robot fighting competition.