Season 8, Episode 17: "The English Patient"

- What? - That shirt.

You think that you are the number-one dad?

This was a gift from my son.

Oh, I see how it works now.

He knocks me out of commission...

...so you can strut around in your fancy number-one shirt.

Well, I'll show you who's number one.

- Mr. Mandelbaum, please. - It's go time.