A hung-over Ross and Rachel are shocked to discover they are husband and wife. Monica and Chandler search the Strip for signs that they are altar-bound whilst Joey and Phoebe have a cross-country adventure.

Monica and Chandler decide to move in together, leading Rachel to believe that all three of them will be roommates. Phoebe discovers that Ross hasn't annulled his marriage to Rachel.

Monica and Chandler disagree over how to redecorate Rachel's old room. Joey advertises for a specific type of roommate. Ross is unwilling to accept that he is still in love with Rachel.

Ross is asked to give a series of lectures at NYU. Phoebe learns from her psychic that she only has a week to live. Learning his health insurance has lapsed, a hernia-bearing Joey tries to pick up a quick acting gig.

Joey finds the keys to a Porsche in Central Perk and while trying to find the owner winds up pretending he owns the car. Meanwhile, Chandler, Monica and Phoebe babysit Alice and Frank's triplets.

Chandler and Monica are moving in with each other, which means Rachel is moving in with Phoebe and Joey will be without a roommate. Ross doesn't want to help with the packing so he stays at home with Ben, or so they think.

Rachel regrets asking Phoebe to jog with her when her uncoordinated movements attract unwanted attention. Chandler decides to surprise Monica by cleaning the apartment but forgets where everything goes.

After bleaching his teeth for a date, Ross discovers they now glow in the dark. Chandler convinces Joey that Janine is trying to take over his apartment and Phoebe makes out with the copy guy at Rachel's office.

Monica's parents come for Thanksgiving, which is a problem because Monica never told them Chandler was living with her. Joey and Ross can't wait for dinner to end so they can go to Janine's "Thanksgiving with 'models".

Janine gets an invitation to dance on "Dick Clark's New Year's Rockin' Eve" and invites Joey, Monica and Ross along. Monica and Ross are ecstatic about this as it gives them a chance to finally use their 'routine'.

Rachel orders an apothecary table from Pottery Barn, which is a problem because Phoebe hates the mass-producing company. After a double date, Janine tells Joey she thinks Chandler and Monica are boring.

Chandler and Ross fight over ownership of a joke published in Playboy. A wayward remark of Phoebe's leads to trouble between the girls and a broke Joey starts working at Central Perk.

Joey gets in trouble for giving female customers free food at Central Perk. A sick Monica desperately tries to convince Chandler she's not sick and Rachel's sister Jill comes to town after her father cuts her off.

Chandler admits that he hasn't cried since he was a child. Phoebe discovers that Ursula is starring in porno movies using her name and Rachel desperately tries to stop Ross and Jill from starting a relationship.

Barry and Mindy's impending divorce prompts the gang to fantasise about what their lives might be like if they'd all taken different courses.

Carol and Ross decide to have a threesome to spice up their marriage. Rachel goes to Joey's and kisses him. Chandler and Monica have sex and end up together anyway. Susan meets Carol and Rachel catches Barry cheating.

Joey needs money for new headshots and tries to enter a medical study. The problem being the study is for twins. Rachel and Phoebe are taking a self-defence class but Ross tries to give them a lesson in Unagi instead.

Ross gets his student evaluations and one student writes he's hot. Even though it could cost him his job he considers dating her. A fire starts in Phoebe and Rachel's apartment forcing them to move in with Monica and Joey.

Phoebe, Monica and Chandler compete to get Rachel a date for a charity ball. Joey's fridge is broken and he tries to cajole his friends into helping him buy a new one.

Joey gets an audition for the lead character in a new TV show. When the audition is rescheduled, Chandler takes the message but forgets to tell Joey.

Ross recruits his friends to go with him on his first meeting with Elizabeth's father, who ends up hitting if off with Rachel. Joey may be fired from his sitcom when he has a fight with C.H.E.E.S.E.'s operator.

When Paul threatens to fire Ross if he doesn't stop seeing his daughter, Ross and Elizabeth take a trip up to her dad's mountain cabin. Unfortunately, Paul has the same idea and takes Rachel at the same time.

Chandler and Phoebe shop for a ring for Monica. Chandler finds the perfect one but Phoebe accidentally lets it get away.

Chandler plans to propose to Monica at dinner but his plans go awry when Richard shows up. Phoebe and Joey join Rachel at a charity auction.

Monica struggles to decide between Richard and Chandler. Meanwhile, Rachel and Phoebe discuss their backup plans if they are not married before the time they're 40.