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Watch The Big Bang Theory Season 4 Episode 12 online via TV Fanatic with over 2 options to watch the The Big Bang Theory S4E12 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

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Episode Details

The Big Bang Theory Season 4 Episode 12: "The Bus Pants Utilization"

Leonard gets an idea for a smart phone application on this episode. How does that go? Find out now.

The Big Bang Theory Season 4 Episode 12 Quotes

You have so few good ideas Leonard and you're going to spill the beans in front of an outsider?

Sheldon

I won't say that all senior citizens who can't master technology should be publicly flogged, but if we made an example of one or two, it might give the others incentive to try harder.

Sheldon
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