
And the KEY to our survival
in that world
lies in the Valley.
Westworld Season 2, Episode 9

...whereas the KEY for your Volkswagen
uses a center-cylinder system.
The Big Bang Theory Season 2, Episode 3

Information is the KEY.
Game of Thrones Season 5, Episode 10

Room KEY wouldn't
let me into the ice room
Breaking Bad Season 5, Episode 12

Confidence is KEY in these situations.
The Big Bang Theory Season 8, Episode 19