Watch The Big Bang Theory Season 3 Episode 15 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S3E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.

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Episode Details

When Leonard is giving a plus one to go to Switzerland to see the Large Hadron Collider on Valentine's Day, Sheldon tries to convince Leonard to take him over Penny.


Rating: 3.8 / 5.0 (22 Votes)
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15

The Big Bang Theory Season 3 Episode 15 Quotes

Penny: We're going to Disneyland and ride the Matterhorn?
Leonard: How does that involve air travel?
Penny: We're going to Disney World and ride the Matterhorn?

Leonard: This tray contains clues as to what you and I are going to be doing on Valentine's Day.
Penny: Wow okay, let's see. We got milk chocolate, Swiss cheese, fondue... my lactose intolerant boyfriend is going to eat all this and I'm going to climb on your back and rocket to the moon?