
Oh, right,
you have that KEY.
Breaking Bad Season 2, Episode 4

by trying to steal
the KEY to the North out from under me.
Game of Thrones Season 3, Episode 5

A decryption KEY needed
only in the unlikely event
Westworld Season 2, Episode 7

How do I extract the KEY?
Westworld Season 2, Episode 7

You don't have the KEY, do you?
Westworld Season 3, Episode 8