The One Where Paul's the Man - S6.E21

While visiting an art museum, Monica puts her name on a two-year waiting list to use the museum for a wedding. Accidentally Chandler finds out about this and freaks out. Meanwhile, Paul threatens to have Ross fired from the university if he continues to date Elizabeth, however, that doesn't stop the two of them from going to her dad's mountain cabin over the weekend. Unfortunately for them, Paul has the same idea to bring Rachel there.