Watch The Big Bang Theory Season 4 Episode 13 online via TV Fanatic with over 6 options to watch the The Big Bang Theory S4E13 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Verizon On Demand.
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There's tension at a hotel this week. That's because the group runs into Bernadette's ex-boyfriend during a science event.