They made me reveal CONFIDENTIAL
information about Howard's father.
The Big Bang Theory Season 6, Episode 19
The CONFIDENTIAL agreement to look away
from the Mediterranean.
Money Heist Season 3, Episode 5
And don't worry,
this is all entirely CONFIDENTIAL...
The Big Bang Theory Season 2, Episode 9
"Private and Confidential".
The Big Bang Theory Season 11, Episode 9