Season 3, Episode 23: "The Keys"

Should I give you my keys? Is that the transaction, trading keys?

-Because Elaine has my keys. -You can get them back.

I suppose I could.

Because you see, George, having the keys to Jerry's apartment...

...that kept me in a fantasy world.

Every time I went over to his house, it was like I was on vacation.

Better food, better view, better TV.

Cleaner. Oh, much cleaner.