I love Pheobe and Rachel almost as much as Lisa and Jen! (the bloopers of the 2 of them with Lisa's laugh are just friggin hilarious)
This is my favorite Pheobe/Rachel scene:
Rachel: Well… Umm, I got TiVo.
Dr. Green: What’s TiVo?
Phoebe: It’s slang for pregnant.
Rachel: Phoebe!
Dr. Green: Are you really pregnant?
Rachel: Well uh, yes and no. Except not no. So to sum it up, yeah.
Dr. Green: Who is the father? Oh no! Please don’t tell me it’s her!
Rachel: No, it’s Ross. It’s Ross. You like Ross. (He just shakes his head.) Oh daddy, I hope you’re okay with all of this. I mean think about it, this is a good thing. You’re gonna—This is your first grandchild! You’re gonna be a poppy!
Dr. Green: That’s true.
Rachel: Yeah.
Dr. Green: (laughs) Poppy. (To Phoebe) Oh, I’m gonna be a poppy. (Stops laughing) So when is the wedding?
Rachel: Who?
Dr. Green: The wedding! There’s going to be a wedding. Young lady, don’t you sit there and tell me my first grandchild is going to be a bastard! (Rachel pauses) Rachel Karen Green, tell me there is gonna be a wedding!!
Rachel: February 2nd!
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Phoebe: I’m sorry I won’t be able to make it to your imaginary wedding, but I’m really busy that day. Yeah, I already have a unicorn baptism and a leprechaun bar mitzvah.