"The Professor,
no criminal record, no register.
Money Heist Season 1, Episode 1
Hey, isn't that
Professor Proton?
The Big Bang Theory Season 7, Episode 7
And once the Professor, our dear shepherd,
Money Heist Season 3, Episode 6
-(LEONARD CHUCKLES)
- Professor Hawking?
The Big Bang Theory Season 10, Episode 9
It's time for Professor Proton's
The Big Bang Theory Season 11, Episode 15