The Hawking Excitation
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"The Hawking Excitation" is the 21st episode of the fifth season of The Big Bang Theory that first aired on CBS on April 5, 2012. It is the 108th episode overall. After learning that Stephen Hawking i
Professor Stephen Hawking appears at the end of the episode.
The Big Bang Theory season 5
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The fifth season of the American television sitcom The Big Bang Theory aired on CBS from September 22, 2011 to May 10, 2012.
DVD cover art
