Season 6, Episode 4: "The Chinese Woman"

...she always introduces herself as Donna Chang.

So why are you seeing her again?

Well, she is a woman.

Listen, I spoke to Paul and Noreen. They might be breaking up.

-Really? -Well, maybe.

Hey, wouldn't it be funny if Paul and Noreen broke up...

...because you kept hanging up on him?

-What do you mean? -If Paul thought it was some guy...