![Excuse me,
are you Professor Crawley?
Excuse me,
are you Professor Crawley?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Excuse me,
are you Professor Crawley?
The Big Bang Theory Season 3, Episode 2
![Professor X, Nightcrawler, Wolverine,
Cyclops, Iceman, then Storm, Angel...
Professor X, Nightcrawler, Wolverine,
Cyclops, Iceman, then Storm, Angel...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Professor X, Nightcrawler, Wolverine,
Cyclops, Iceman, then Storm, Angel...
The Big Bang Theory Season 2, Episode 1
![All right,
Professor Proton fans,
All right,
Professor Proton fans,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
All right,
Professor Proton fans,
The Big Bang Theory Season 12, Episode 16
![I am your professor,
and you're going to treat me with the prop...
I am your professor,
and you're going to treat me with the prop...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I am your PROFESSOR,
and you're going to treat me with the prop...
The Big Bang Theory Season 8, Episode 2
![Professor Proton is coming to our house.
Professor Proton is coming to our house.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Professor Proton is coming to our house.
The Big Bang Theory Season 6, Episode 22