So, you know, I don't really
have any, like, PROOF or anything.
Breaking Bad Season 5, Episode 12
Proof? Will there be a trial?
Game of Thrones Season 3, Episode 4
Proof? I did.
The Big Bang Theory Season 3, Episode 17
Uh, we have PROOF that you
plagiarized your thesis.
The Big Bang Theory Season 12, Episode 21
"A PROOF that algebraic topology...
The Big Bang Theory Season 6, Episode 3