Rachel: (to a costumer) Excuse me, sir. Hi, you come in here all time. I was just wondering, do you think there's a possibility that you could give me an advance on my tips?
Chandler: And this from the Cry for Help department: Are you wearing makeup?
Joey: Yes, I am. As of today, I am officially Joey Tribbiani, actor/model.
Chandler: That's so funny, 'cause I was thinking you look more like Joey Tribbiani, man/woman.
Ross: Wow, you guys sure have a lot of books about being a lesbian.
Susan: Well, you know, you have to take a course. Otherwise, they don't let you do it.
Susan: (to Ross) We just refer to you as Bobo the Sperm Guy.
Chandler: It's very difficult to appreciate a Thanksgiving dinner once you've seen it in reverse.
Joey: Set another place for Thanksgiving. My entire family thinks I have VD.
Chandler: "Tonight, on a very special Blossom."
Joey: Hey, Monica, I got a question. I don't see any tater tots.
Monica: That's not a question.
Chandler: The most unbelievable thing has happened. Underdog has just gotten away.
Joey: The balloon?
Chandler: No, no, the actual cartoon character. Of course the balloon!
Chandler: Come on. An 80-foot inflatable dog let loose over the city. How often does that happen?
Phoebe: Almost never!
Ross: (singing to his unborn baby) Hey, hey, I'm your daddy. I'm the one without any breasts.
Chandler: So I guess what I'm trying to say is that I'm very thankful that all of your Thanksgivings sucked.
Rachel: That's so sweet.
Phoebe: Thank you.
Ross: And hey, here's to a lousy Christmas.
Rachel: And a crappy New Year.
Chandler: Here, here!
When they all run up to the roof to watch Underdog, the door slams shut and locks. However, right before, Ross had left and slammed the door, but Chandler still came in from the outside. Nobody else touched the door between the two events, so it doesn't make sense that it would lock this time, when it didn't before.