The beach trip fallout — Ross chooses Rachel over Bonnie, but the 18-page letter Rachel wrote him becomes a sticking point. Phoebe meets her birth mother.
Phoebe finds a cat she believes contains the spirit of her dead mother. Monica gets handcuffed to a chair by her date, and Joey desperately tries to help.
Rachel's boss handcuffs himself to a water pipe to impress her. Monica is stuck, Joey's stuck, and Chandler has an idea that makes things worse.
Joey teaches ballroom dancing to the building superintendent to save Chandler and Joey's apartment. Monica caters a society event.
Chandler falls for Joey's new girlfriend Kathy, creating a loyalty crisis between the roommates. Ross starts dating someone new.
Ross dates a woman with an incredibly messy apartment and tries to handle it. Chandler's attraction to Kathy grows, and Joey senses something is wrong.
Chandler crosses a line and kisses Kathy, betraying Joey's trust. The fallout between the roommates is serious and painful.
Chandler sits in a box all day to prove his friendship to Joey. Monica invites Richard's son to Thanksgiving dinner. The box scene is simple and perfect.
The gang gets excited about a legendary party with their fun friend Gandalf, but the night doesn't live up to the hype.
Ross juggles dating a woman from Poughkeepsie with the brutal commute. Rachel tries to get a date through a personal ad. Monica writes holiday songs.
Phoebe agrees to be a surrogate for Frank Jr. and his wife Alice. The procedure leads to an anxious wait and a lot of emotional support from the gang.
The legendary trivia game — Monica and Rachel bet their apartment against Chandler and Joey. The questions get deeply personal and the stakes are real.
Rachel develops a crush on her customer Joshua and tries to ask him out. Phoebe's pregnancy cravings get creative. Monica adjusts to losing her apartment.
Joey smells bad after a fishing trip and it costs him an audition. Chandler suspects Kathy of cheating. Ross tries to impress Emily.
Emily drags Ross to a rugby match where he decides to play, with painful results. Monica tries to get her apartment back from Chandler and Joey.
Rachel throws a fake party to spend time with Joshua. Ross and Emily's relationship heats up. Phoebe's pregnancy hormones are in full swing.
Chandler and Joey refuse to give up the apartment, leading to an escalating standoff. Free cable channels become a powerful bargaining chip.
Rachel tries on wedding dresses to impress Joshua, which backfires spectacularly. Ross and Emily get serious fast. Monica caters an awkward event.
Monica and Rachel desperately try to get their apartment back. Ross drops a surprise proposal on Emily. Things are moving very fast.
Everyone tries on wedding dresses for fun, and the mood is festive until reality hits. Ross and Emily's engagement moves at lightning speed.
Ross and Rachel watch their old prom video again and reflect on what could have been. Wedding preparations create tension between the Gellers and the Walthams.
Joey loses the ring before Ross's wedding. Chandler's best man duties overwhelm him. The London trip is about to begin.
The wedding in London begins — Chandler and Monica's surprise hookup changes the show forever. Rachel races to tell Ross how she feels.