Marking his first half-hour sitcom appearance in nearly a decade, comedy legend Bob Newhart will guest star on The Big Bang Theory this May, TVLine has learned exclusively.
The six-time Emmy nominated star of The Bob Newhart Show and Newhart will play “Professor Proton,” the former host of Sheldon’s favorite science show as a kid. (We will come to learn that the Professor played a big part in the childhoods of both Sheldon and Leonard.)
According to a BBT source, Sheldon tracks his idol down online and discovers that he can be hired out for parties and events. Naturally, Sheldon books him to come to their house.
The episode is slated to air on Thursday, May 2.
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Big Bang Theory returns with its next original episode on Thursday, April 4.Follow @MichaelAusiello