Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.
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The Big Bang Theory's most hilarious running gags
No one does a running gag quite like the characters on The Big Bang Theory. With 12 seasons to its name, there were plenty of moments that were humorously repeated to poke fun at the Big Bang ...
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