Stephen Hawking Makes a Cameo on ‘The Big Bang Theory’

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  • Legendary Astrophysicist Stephen Hawking made a sitcom cameo on The Big Bang Theory. Sheldon Cooper, the brainy, pretentious main character was ecstatic to meet his personal hero. Co-star, Simon Helberg, who plays Howard Wolowitz on the show, said Hawking showed great comedic timing:


    Watch the full clip below:

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