
Professor Proton is dead?
The Big Bang Theory Season 7, Episode 22

Did you ever watch
Professor Proton
The Big Bang Theory Season 7, Episode 22

They cast the new
Professor Proton.
The Big Bang Theory Season 11, Episode 15

Professor Proton hosted my favorite
science show when I was a child.
The Big Bang Theory Season 6, Episode 22

"The Effect of High Energy Muons
on Proton Pion Scattering
The Big Bang Theory Season 12, Episode 9