The Strongbox Season 9, Episode 14

Kramer

(grabbing the key) You just had to go lookin' for it, didn't you? See, you hate it that I have a little secret. Anything I do -- oooh, oooh! -- you gotta know all about it. You're so OBSESSED with me.

Jerry

I'm gonna go let Elaine in. (Kramer reaches out to stop him leaving)

Kramer

Oo, y- what are you doing with her? (Jerry ignores him and exits)

Jerry

(in the hallway, hearing the door lock behind him, turns back) Kramer!

Kramer

(from inside) Security issue!