The Casting Couch - This casting killed Krillin.

The real punchline is that it is Krillin asking her the question.

18: "Look guys, I can't really get into this unless Krillin is the guy doing it."
Director: sigh "Ma'am, I know that yo-"
18: "Oh, I'm not saying that because I married the man, though it is very related" mouth starts drooling
Director: "………. oh……"
18: "YEP!…."