Season 7, Episode 24: "The Invitations"

You know, I think I'm getting depressed about George's wedding.

-Really? -Yeah, once he gets married, that's it.

She'll probably get pregnant. They'll move to Westchester.

-I'll never see him again. -Yeah, you're probably right.

-Then it'll be just me, you and Kramer. -No, not me, pal.

I can't keep this up much longer. I'm sick of being single.

-I'm getting out. -So it's just gonna be me and Kramer?

Yeah, just you and Kramer.