That's why I was refused CLEARANCE
for a government research fellowship...
The Big Bang Theory Season 2, Episode 1
Howard, the person at fault for you
not getting a security CLEARANCE is me.
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
I'm in breach of my security CLEARANCE.
I'm going to prison.
The Big Bang Theory Season 10, Episode 20