It's CLASSIFIED.
If we tell anyone we'd get in trouble.
The Big Bang Theory Season 10, Episode 15
It's a secure lab
in a CLASSIFIED facility,
The Big Bang Theory Season 10, Episode 23
Yes, I understand. Classified.
We'll keep it all CLASSIFIED.
The Big Bang Theory Season 2, Episode 22
You've been CLASSIFIED as terrorists,
so I got the CIA, Interpol,
Money Heist Season 3, Episode 5
Oh, the project is CLASSIFIED,
I can't tell you.
The Big Bang Theory Season 10, Episode 19