
All right,
Professor Proton fans,
The Big Bang Theory Season 12, Episode 16

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

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

Here he comes, Professor Proton
The Big Bang Theory Season 6, Episode 22

No, they're watching
the new Professor Proton.
The Big Bang Theory Season 11, Episode 15