The Big Bang Theory

Season 5 Episode 21

The Hawking Excitation

14
Aired Thursday 8:00 PM Apr 05, 2012 on CBS

Trivia

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  • Quotes

    • Penny: I see that twinkle in your eye when someone says "who" instead of "whom" or thinks the moon is a planet.
      Sheldon: Or Don Quixote is about a donkey named Hotay.

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