Key

So…here’s a key to my apartment.

— Friends S8E11

Peppa has found the next clue a key

— Peppa Pig S1E20

Second guy we've brought in that's had one of these keys.

— Brooklyn Nine-Nine S2E8

Lily, I'm gonna need the spare key to Robin's apartment.

— How I Met Your Mother S1E22

The key is to keep turning it.

— Ratatouille

Get the keys out of my purse,start the car.

— The Office S6E10

And in this mind is the key.

— The Matrix