'Big Bang Theory' plans 'Star Wars' extravaganza, books Carrie Fisher, James Earl Jones for cameos

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james-earl-jones-carrie-fisher-big-bang-theory-gi.jpgFire up your lightstabers, "Big Bang Theory" fans.

TV's No. 1 comedy is ready to take its audience to a galaxy far, far away with news that not one but two veterans of the "Stars Wars" franchise will be making an appearance on the CBS hit.

"Big Bang" executive producers Bill Prady and Steve Molaro tell TVLine that James Earl Jones (you know, the voice of Darth Vader) and Carrie Fisher (the one and only Princess Leia) will guest-star as themselves in an upcoming episode, where they will cross paths with Sheldon ( Jim Parsons).

Interestingly enough, Fisher is also making an appearance on another TV comedy in the not-so-distant future: FX'Xs  "Legit." She'll play a powerful Hollywood executive who crosses paths with leading man Jim Jefferies.

Is this the best, nerdiest guest casting the show's achieved yet or what?
Photo/Video credit: Getty Images