Season 3, Episode 12: "The Red Dot"

You had sex on your desk with the cleaning woman.

You never had sex in the office before?

No. I once made out with someone, but that's it.

Okay. All right. So you made out.

-Well, that's not sex. -Kissing is sex.

Kissing is not sex.

-George. -Jerry.

Hey, did Jerry leave that drink next to Dick's on purpose?