
Hey, everybody.
I'm Professor Proton.
The Big Bang Theory Season 11, Episode 15

No, Professor Proton
came to me in my dream
The Big Bang Theory Season 12, Episode 5

Professor Proton is coming to our house.
The Big Bang Theory Season 6, Episode 22

that people would still
call me Professor Proton
The Big Bang Theory Season 7, Episode 7

that being on
the Professor Proton show
The Big Bang Theory Season 11, Episode 15