The Doorman Season 6, Episode 18

George

Well, I took the liberty of packing your things. (gleeful) Mom's coming to get you.

Kramer

I thought Jerry didn't want that couch, because of the stain?

Frank

What stain?

Kramer

Oh, you didn't notice? It has a pee-stain.

Frank

(disbelief) You had me sleeping on a pee-stained couch?