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Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk
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The Big Bang Theory Is Bringing Back Bob Newhart as Professor Proton
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Bob Newhart's force is with 'The Big Bang Theory'
The Big Bang Theory" The Proton Resurgence (TV Episode 2013) - IMDb
![The Big Bang Theory - Arthur Jeffries as Sheldon's Obi-Wan S07E22 [HD] - YouTube](https://i.ytimg.com/vi/yGSrtggtWpw/maxresdefault.jpg "The Big Bang Theory - Arthur Jeffries as Sheldon's Obi-Wan S07E22 [HD] - YouTube")
The Big Bang Theory - Arthur Jeffries as Sheldon's Obi-Wan S07E22 [HD] - YouTube
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