In the Friends episode, "The One Where Ross Finds Out," Ross finds out that Rachel feels the same way about him.

Friends Season 2 Episode 7 Quotes

Joey: Let me get this straight. He got you to beg to sleep with him, he got you to say he never has to call you again, and he got you thinking this was a great idea?
Phoebe: Mm... hmm.
Joey: This man is my god!

Rachel: Wait, so, you're going?
Ross: Well, okay, I, uh, I have to. I can't deal with this right now. I mean, I've, you know, got a cab. I've got a girlfriend. I'm gonna go get a cat.
Rachel: Okay, okay.
Ross: Cat. (Leaves)