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
Classified, Leonard.
The Big Bang Theory Season 2, Episode 22
Oh, the project is CLASSIFIED,
I can't tell you.
The Big Bang Theory Season 10, Episode 19
It's full of CLASSIFIED information
about the Air Force project.
The Big Bang Theory Season 10, Episode 20