Great Scott! The Big Bang Theory Taps Christopher Lloyd to Guest-Star

Where The Big Bang Theory is going, it won't need roads.

Christopher Lloyd, best known as mad scientist Doc Brown in the Back to the Future trilogy, will guest star on the Dec. 1 episode of the CBS sitcom, TVGuide.com has learned.

No other details about his character or storyline are available at

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Source TVGuide.com: Breaking News http://www.tvguide.com/news/the-big-bang-theory-christopher-lloyd/?rss=breakingnews