TV series example of the word

The Big Bang Theory Season 7, Episode 7
Hey, I got an email from Professor Proton.

The Big Bang Theory Season 7, Episode 7
next to Professor Proton, I would not have believed you.

The Big Bang Theory Season 6, Episode 22
- Professor Proton. - You're kidding.

The Big Bang Theory Season 6, Episode 22
Professor Proton is coming to our house.

The Big Bang Theory Season 12, Episode 9
"The Effect of High Energy Muons on Proton Pion Scattering