Apparently,
a KEY component
The Big Bang Theory Season 7, Episode 12
So, the KEY is
The Big Bang Theory Season 10, Episode 22
So if we suspect anything, the KEY words
will be "quick vacation".
Money Heist Season 3, Episode 7
That's KEY to being on set.You got to wash the balls.
The Big Bang Theory Season 12, Episode 24
I was writing an e-mail
and the A KEY got stuck.
The Big Bang Theory Season 1, Episode 13