- Professor Proton.
- You're kidding.
The Big Bang Theory Season 6, Episode 22
Professor Hawking,
how nice of you to call.
The Big Bang Theory Season 6, Episode 6
And that was what was
about to happen to the Professor."
Money Heist Season 1, Episode 11
Sorry, Professor. We had a fight...
Money Heist Season 3, Episode 2
"What the Professor had gained
was to divide the hostages
Money Heist Season 1, Episode 13