
Yes, I understand. Classified.
We'll keep it all CLASSIFIED.
The Big Bang Theory Season 2, Episode 22

Oh, I suppose I could redact
the CLASSIFIED parts.
The Big Bang Theory Season 10, Episode 19

Oh, the project is CLASSIFIED,
I can't tell you.
The Big Bang Theory Season 10, Episode 19

It's CLASSIFIED.
The Big Bang Theory Season 11, Episode 8

All the non-human apes
are CLASSIFIED as great apes, except one.
The Big Bang Theory Season 8, Episode 8