The Chinese Woman Season 6, Episode 4

Jerry

Well, I'm sure you're not... Totally Depleted.

Kramer

Yeah but what if I am? I'm the last... male Kramer! We're facing extinction!

Jerry

So go to a fertility clinic. Have your sperm count checked.

Kramer

Yeah, but then I'd have to... (glances at Elaine) well, you know... into a cup in the middle of the day??

Elaine

What, does that conflict with your regular schedule?