Arthur Jeffries is a fictional character portrayed by Bob Newhart in the TV series The Big Bang Theory.
In the first episode they appeared in, titled The Proton Resurgence (season 6), they were 83 years old.
They appear in 6 episodes out of a total of 279 aired
Episodes6
The Proton Resurgence
episode S6.E22 may 2013Bernadette and Howard offer to watch Raj's dog and live to regret it. Leonard and Sheldon hire their favorite childhood star to make an appearance.The Proton Displacement
episode S7.E7 november 2013Sheldon seeks payback when Arthur "Professor Proton" Jeffries asks Leonard for help on a project instead of him. Raj gets upset at Howard for crashing his night with the girls.The Proton Transmogrification
episode S7.E22 may 2014As the gang celebrate Star Wars Day, Sheldon has difficulty dealing with the recent death of Arthur "Professor Proton" Jeffries.The Opening Night Excitation
episode S9.E11 december 2015Leonard, Howard and Raj have to decide who will take their extra Star Wars movie ticket, while Sheldon plans something special for Amy's birthday.The Proton Regeneration
episode S11.E6 november 2017Sheldon and Wil Wheaton both go head-to-head for the role of the new Professor Proton, Meanwhile Penny takes care of Halley when Bernadette and Howard are on bed rest.The Planetarium Collision
episode S12.E5 october 2018Amy doesn't have time to work with Sheldon on super asymmetry, so he goes to great lengths to ensure she's available. Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.
- The Proton Resurgence
- The Proton Displacement
- The Proton Transmogrification
- The Opening Night Excitation
- The Proton Regeneration
- The Planetarium Collision