
Listen,
I have to get a security CLEARANCE...
The Big Bang Theory Season 4, Episode 7

She doesn't exactly have CLEARANCE.
The Big Bang Theory Season 2, Episode 8

He got it at the mall on CLEARANCE.
Move, move, move!
The Big Bang Theory Season 6, Episode 24

Howard, the person at fault for you
not getting a security CLEARANCE is me.
The Big Bang Theory Season 4, Episode 7

Guess who didn't get security CLEARANCE
to work on the giant space laser?
The Big Bang Theory Season 4, Episode 7