The dust settles after Vegas. Ross refuses to get an annulment from Rachel. Monica and Chandler decide to move in together.
Monica asks Rachel to move out so Chandler can move in, and Rachel doesn't take it well. Ross continues his denial about being married to Rachel.
Ross insists he and Rachel aren't really married. Joey offers Rachel his spare room. The whole group tries to talk sense into Ross.
Joey loses his health insurance right when he needs it. Ross teaches a class for the first time and tries way too hard to sound cool.
Joey pretends to own a Porsche parked on his street, and the lies escalate quickly. Ross and Rachel finally deal with their accidental marriage.
The last night before Chandler moves in with Monica is bittersweet for the roommates. The gang reminisces and helps pack, and Joey and Chandler share an emotional goodbye.
Phoebe's running style is so unique that Rachel can't handle jogging with her. Chandler settles into Monica's apartment and adjusts to her rules.
Ross whitens his teeth to an alarming degree before a date. The result glows in the dark. Monica and Chandler deal with a Thanksgiving hosting dilemma.
Thanksgiving at Monica's gets complicated when Ross's secret about getting high in college comes out in front of the parents. The truth-telling snowballs hilariously.
The gang tries to get on a New Year's Eve TV show by doing 'the routine' — Ross and Monica's embarrassing sibling dance from middle school.
Rachel buys a supposedly high-end apothecary table from Pottery Barn and tries to convince Phoebe it's a unique antique. The deception doesn't last.
A joke in Playboy magazine causes a dispute between Ross and Chandler over who wrote it. Monica and Rachel fight over the last brownie point.
Rachel's spoiled sister Jill visits and starts dating Ross, which does not sit well with Rachel at all. Family dynamics get tense.
The gang tests whether Chandler can cry — he can't. Rachel tries to stop Jill from dating Ross. Phoebe deals with a difficult massage client.
A two-part 'what if' episode imagines alternate lives — what if Monica was still heavy, Ross was still married to Carol, and Rachel married Barry.
Ross and Monica disagree about self-defense — Ross claims he knows 'unagi,' a state of total awareness. Rachel and Phoebe put his theory to the test.
Ross dates one of his students, Elizabeth, and the ethics of it create problems at work. Joey auditions for a game show and has trouble with the format.
Joey's fridge breaks and he tries to trick his friends into paying for a new one. Rachel and Phoebe compete to set up Monica and Chandler's friend on a date.
Joey stars in a TV show called Mac and C.H.E.E.S.E., where he acts opposite a robot. Chandler can't compete with Richard's legacy when an old video surfaces.
Ross meets Elizabeth's dad, played by Bruce Willis, who doesn't approve of the age gap. Chandler feels inadequate compared to Monica's ex Richard.
Elizabeth's dad Paul starts dating Rachel, creating a wonderfully awkward dynamic with Ross. Paul's tough-guy exterior hides a surprising emotional side.
Chandler shops for an engagement ring for Monica, with Phoebe's help. The pressure to find the perfect ring — and keep it secret — mounts.
Chandler plans to propose to Monica, but Richard reappears saying he wants her back. The tension builds to an emotional crescendo.