Excuse me,
are you Professor Crawley?
The Big Bang Theory Season 3, Episode 2
I am your PROFESSOR,
and you're going to treat me with the prop...
The Big Bang Theory Season 8, Episode 2
I can't. Thank you, Professor Hawking.
The Big Bang Theory Season 10, Episode 9
Ready when you are, Professor Hawking.
The Big Bang Theory Season 9, Episode 17
but the Professor was no hit man.
Money Heist Season 1, Episode 13