Season 4, Episode 12: "The Airport"

I tried to find him. I went to his girlfriend's house, even his family.

Never got that money back. He screwed me.

And that's the guy. John Grossbard.

Kramer, come on. It was 240 bucks 20 years ago.

-I'm gonna turn around, get that guy. -You can't.

-Let go of me. -Kramer, you cannot go back.

Kramer, you cannot abandon people in an airport pickup.

It's a binding social contract.