I'd have to lose 60 IQ points
to be CLASSIFIED as "smart."
The Big Bang Theory Season 2, Episode 2
What's CLASSIFIED?
The Big Bang Theory Season 2, Episode 22
It's full of CLASSIFIED information
about the Air Force project.
The Big Bang Theory Season 10, Episode 20
Oh, the project is CLASSIFIED,
I can't tell you.
The Big Bang Theory Season 10, Episode 19
Classified, Leonard.
The Big Bang Theory Season 2, Episode 22