Stephen Hawking films 'Big Bang Theory' cameo Posted March 12, 2012

Professor Stephen Hawking is set to make a cameo appearance in The Big Bang Theory. The famed theoretical physicist recorded a scene last Friday for the April 5 episode of the show. In the episode the eminent professor will have a "run in" with Sheldon.

Bill Prady, co-creator and executive producer of The Big Bang Theory, hinted about the guest spot on Twitter. Last Friday, Prady tweeted "On my way to shoot a scene with a super-secret, super-cool guest star for episode 521." Hawking's appearance will come one week after another high profile guest star, Star Trek's Leonard Nimoy, has a cameo role on the show.

Professor Hawking had reportedly been approached to guest start on the show before, but was too ill to take part. The seventy-year-old cosmologist has previously played himself on The Simpsons and Futurama.

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