The Big Bang Theory

Thursdays 8:00 PM on CBS
The big bang theory
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Sheldon Uses Positive Reinforcement
When Leonard tells Sheldon he needs to use more honey than vinegar on Penny, he tries an experiment where he uses chocolate as positive reinforcement on Penny. Amazing.

Rating: 4.9 / 5.0 (7 Votes)
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TBBT Photos, The Big Bang Theory Season 3 Episode 3 Photos, Leonard Hofstadter Photos, Sheldon Cooper Photos, Penny Photos
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The Big Bang Theory Season 3 Episode 3 Quotes

Penny: I'll tell you what, next french toast day, I'll make you oatmeal
Sheldon: Good lord, are you still gonna be here next french toast day?

Oh man, did the KISS Army repeal "Don't Ask, Don't Tell?"

Penny [after seeing Wolowitz in his goth outfit]