
Hey, isn't that
Professor Proton?
The Big Bang Theory Season 7, Episode 7

this Professor Proton thing
pretty hard.
The Big Bang Theory Season 7, Episode 22

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

Professor Proton was never late
when he was on TV.
The Big Bang Theory Season 6, Episode 22