(Ross has been calling Rachel "Mommy" hoping that Emma will pick it up)
Ross: If we're going to do that, we should probably call me "Daddy", too.
Phoebe: (playfully) I like that... Daddy.
Ross: I, uh... I was just talking about Rachel.
Phoebe: Oh, is Daddy getting angry? Is Daddy going to spank me?
Ross: (following suit) Well, that depends. Have you been a bad g... No, I can't.