Quote from Daphne in The Two Mrs. Cranes
Daphne: I'm warning you, one thing goes wrong and the whole deal's off. Frasier: Nothing can go wrong. We just have to stick to our stories and avoid any complications. Martin: [o.s.] Oh, I see we've got company! [Frasier and Daphne rush out of the kitchen] Niles: Dad! Frasier: Dad! Daphne: Dad!