Watch The Big Bang Theory Season 4 Episode 15 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S4E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.

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Episode Details

A donor is willing to give Leonard a lot of money this week. In exchange for sex from him, that is.

Rating: 4.5 / 5.0 (35 Votes)
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The Big Bang Theory Season 4 Episode 15 Quotes

It's not a touch phobia, it's a germ phobia. If you'd like to put on a pair of latex gloves I'll let you check me for a hernia.


You take this one. I spent an hour last night on 'Why can't vampires shave when they can't see themselves in the mirror?'