Check out the official photos from The Big Bang Theory Season 7 Episode 22. The episode is titled, “The Proton Transmogrification,” and airs on Thursday, May 1 at 8 p.m. ET on CBS.

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Add Yahoo as a preferred source to see more of our stories on Google. TBS is celebrating the life of comedian and actor Bob Newhart with a Big Bang Theory marathon featuring his “Professor Proton” ...

The late actor won an Emmy for playing Arthur Jeffries and Professor Proton. Professor Proton forever. Jeffries had used the name "Professor Proton" years ago, when he hosted a children's show that ...