![The Big Bang Theory' Cast Is So Happy to Have Bob Newhart Back for the Final Season – Watch! | Entertainment Tonight The Big Bang Theory' Cast Is So Happy to Have Bob Newhart Back for the Final Season – Watch! | Entertainment Tonight](https://www.etonline.com/sites/default/files/styles/video_1920x1080/public/images/2018-10/bob_newhart_101718_0.jpg?h=dfa2475e&itok=PnE2n5ZG)
The Big Bang Theory' Cast Is So Happy to Have Bob Newhart Back for the Final Season – Watch! | Entertainment Tonight
![Bob Newhart Signed "The Big Bang Theory" 8x10 Photo Inscribed "Hi From Prof Proton" (JSA COA) | Pristine Auction Bob Newhart Signed "The Big Bang Theory" 8x10 Photo Inscribed "Hi From Prof Proton" (JSA COA) | Pristine Auction](https://images.pristineauction.com/215/2156002/main_1640633410-Bob-Newhart-Signed-The-Big-Bang-Theory-8x10-Photo-Inscribed-Hi-From-Prof-Proton-JSA-COA-PristineAuction.com.jpg)
Bob Newhart Signed "The Big Bang Theory" 8x10 Photo Inscribed "Hi From Prof Proton" (JSA COA) | Pristine Auction
![Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/750x445/1206510.jpg)
Big Bang Theory: What happened to Professor Proton? Why did he leave? | TV & Radio | Showbiz & TV | Express.co.uk
![Prof Proton Stays For Tea + Has penny got any single grandmas (TBBT 7x07 The Proton Displacement) - YouTube Prof Proton Stays For Tea + Has penny got any single grandmas (TBBT 7x07 The Proton Displacement) - YouTube](https://i.ytimg.com/vi/PTF1BAiC36c/maxresdefault.jpg)
Prof Proton Stays For Tea + Has penny got any single grandmas (TBBT 7x07 The Proton Displacement) - YouTube
![Did it get to anyone else that Professor Proton was supposed to be Obi-Wan but he had Qui-Gons lightsaber? : r/bigbangtheory Did it get to anyone else that Professor Proton was supposed to be Obi-Wan but he had Qui-Gons lightsaber? : r/bigbangtheory](https://external-preview.redd.it/bEESQFNMCSdkS6CBObZcPs8YvdypHmPkxybXevjUxJo.jpg?width=640&crop=smart&auto=webp&s=dc25912afcce03f4ddde4c6fcbd5d3cc7565af15)