The Burning Season 9, Episode 16

Mickey

Aah-choo.

Kramer

A little wetter. See, I didn't believe it.

Jerry

What's with the fake sneezing?

Kramer

Yeah, we're going down to Mt. Sinai Hospital, See they hire actors to help the students practice diagnosing.

Mickey

They assign you a specific disease and you act out the symptoms. It's an easy gig.