'The Big Bang Theory': Leonard Nimoy and Jim Parsons 'live long'

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It's like a dream come true to nerds everywhere (and count us among them). "Star Trek" legend Leonard Nimoy tweeted out a picture of him alongside "The Big Bang Theory" star Jim Parsons on Friday (March 23).

Nimoy will guest in the March 29 episode of the geek comedy. It is here that he will speak to Sheldon in a dream sequence. Disappointingly, he will only be heard and not seen.

"Star Trek" has been a frequent theme on the show. Former Trekers who have made guest appearances on the hit comedy include George Takei, Wil Wheaton and a cardboard cut out of Zachary Quinto.

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Photo/Video credit: Twitter