
Oh, he's not coming out
until he sees PROOF
The Big Bang Theory Season 7, Episode 17

So, you know, I don't really
have any, like, PROOF or anything.
Breaking Bad Season 5, Episode 12

quite the opposite,
if the PROOF of life failed,
Money Heist Season 1, Episode 10

It's PROOF of concept.
The Big Bang Theory Season 9, Episode 24

Uh, we have PROOF that you
plagiarized your thesis.
The Big Bang Theory Season 12, Episode 21