Season 9, Episode 7: "The Slicer"

So again, I'm sorry. I had no right to yell at you.

You're a life-saving doctor and I'm just a comedian.

Jerry, enough. I'll do your friend's cancer screening...

...because I believe in that, but as far as you and I are concerned, it's off.

Was it Pimple Popper, M.D.?

That's the one.