Is there a better "Big Bang" duo than Sheldon and Penny? They never dated, but Sheldon and Penny’s friendship is one of the most important relationships of the entire series. Our countdown includes Penny knocks three times, rent money, birthday bathroom, and more! What’s YOUR favorite Shenny moment? Let us know in the comments!

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Top 10 Funniest Penny Moments on The Big Bang Theory -    • Top 10 Funniest Penny Moments on The ...  
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