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