The Pilot (1) Season 4, Episode 23

Kramer

(to the phone) Hold on a second I got another call. Hello? Yeah, he'll call you back. (Jerry and George look at each other)

Jerry

(to Kramer) Who is it?

Kramer

That's NBC.

Jerry

NBC!?! Give me the phone!

Kramer

I'm in the middle of a conversation here.