Season 7: Episode 147: The One With Monica's Thunder
It's the night of Monica and Chandler's engagement and the gang decides to go to The Plaza Hotel and have more champagne to celebrate. Rachel and Ross discuss having a "bonus" night where they have sex with no strings attached. Monica finds them kissing in the hallway and is furious. She believes Rachel couldn't stand that the night was not about her, so she hooked up with Ross to try to steal Monica's thunder. Eventually, Rachel admits that although she is extremely happy that Monica and Chandler are getting married, it reinforces how far away that prospect is for her. Phoebe wants to perform at Monica and Chandler's wedding and won't take no for an answer. Joey is auditioning for a role as a 19 year-old and tries to look younger any way he can.