Joey: I can't believe it. Rachel's pregnant? Who's the father?
Phoebe: We don't know.
Joey: I wonder if it's that dude.
Monica: There's a dude?
Joey: Yeah.
Phoebe: Well, who is it?
Joey: About a month ago this guy spent the night with Rachel. I didn't see who it was, but- [Joey walks out of the apartment]
Phoebe: Was that story over?
[Monica and Phoebe go into the hallway as Joey returns from his apartment]
Joey: The guy left this.
Phoebe: Oh, my God. I know who the father is.
[Phoebe walks back into the apartment]
Monica: People have got to finish their stories!