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The Big Bang Theory's Johnny Galecki Dresses As Susan Boyle | Entertainment Weekly
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The 'Big Bang Theory' Cast Hilariously Stars In 'Twilight: New Moon' | Entertainment Weekly
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The Big Bang Theory' Meets 'Kate Plus 8' For A Photoshoot | Entertainment Weekly
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Sheldon's best laugh scene
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Every Bazinga from The Big Bang Theory (seasons 1 to 4)
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Howard's Mother Impressions by Simon Helberg & Melissa Rauch at SDCC Comic-Con 2011
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Howard's Mom impersonation by Raj And Bernadette
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The Big Bang Theory - Raj sings and dances
Chris GM51
