Season 9, Episode 21: "The Clip Show"

I was in the pool!

I was in the pool!

Since when do you smoke?

I've always smoked.

I've never seen you smoke.

Oh, yeah, well. Big smoker.

I gave it up for a while, but it was too tough.

You know, I don't got the willpower.

George's anguished defense of the shrinkage phenomenon — a callback in the Season 9 clip-show retrospective to one of the show's most-quoted moments.