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! read more...
Top 20 Penny & Sheldon Moments on The Big Bang Theory
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VOICE OVER: Phoebe de Jeu
WRITTEN BY: Jesse Singer
