World-renowned Scientist Stephen Hawking will guest star on the TV show ``The Big Bang Theory'' tonight as himself.
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Stephen Hawking guest stars on the Big Bang Theory tonight
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Harrison Ford will play scientist in upcoming movie
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Guyon Espiner to join TV3's 60 Minutes
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Hartson is guest speaker
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Martin Short to co-host Live!
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Ricky Gervais - Ricky Gervais takes bubble bath with Tv host
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Big Bang to perform at Summer Sonic 2010
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Stephen Colbert to return to TV this week
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Steve Jones to host Entertainment Tonight
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Legendary scientist EO Wilson speaks today
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'Stargate Universe' returns this Friday!
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Tristan MacManus to join the cast of Dancing with the Stars:
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Paris Hilton to star in a new show
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Jimmy Fallon returns to Saturday Night Live as a guest host
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Video - astronaut christopher Ferguson arrives for 'Late Show with David Letterman'
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Palin makes surprise appearance on 'Tonight Show'
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Paul Rudd joining 'Parks & Recreation'