Joey's new girlfriend wants to go to bed with him but he can't, yet. During Rachel's birthday party, Chandler accidentally lets it slip that Ross is in love with her. However, Ross is on his way to China and Rachel can't decide whether she wants to be more than friends with Ross.

After Mr. Heckles dies and leaves all his belongings to Monica and Rachel, Chandler discovers eerie similarities between the late eccentric man and his own life. Ross and Phoebe have a dispute over the progression of evolution.

It's Christmas time and Monica tries tipping with cookies, rather than cash, with mixed results. Phoebe tries to track down her real father. And Chandler and Joey wait too late to shop for presents.

Phoebe dates a man who thinks he's stalking her twin sister. Ross and Rachel give Chandler "boyfriend" lessons. Monica decides the best way to get over Richard is to keep herself busy, so she uses her free time to make jam and considers insemination via a sperm bank.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving. Joey and Chandler argue over who gets to date a model while Ross and Monica argue over winning in a case of sibling rivalry.

Chandler must decide between the girl of his dreams and his best friend when he and Kathy share a passionate kiss. Needless to say, Joey is not happy when he finds out about it. And nobody wants to tell Ross how awful his keyboard playing is.

Phoebe's uterus is examined for implantation of the embryos. Meanwhile, a seemingly harmless game between Chandler and Joey against Monica and Rachel escalates into a full blown contest where the stakes are raised higher and higher.

Ross proposes to Emily. Monica and Rachel try to win their apartment back from Chandler and Joey.

The gang heads over to London for Ross and Emily's wedding. Joey can't contain his excitement about London which annoys Chandler to no end and results in two of them arguing. While the guys are touring the city, Monica, together with Ross and Emily, visit the chapel where the wedding ceremony is supposed to take place only to find out that it's being torn down prematurely.

Phoebe tries to warn the gang that Rachel is coming to London to tell Ross that she still loves him. After the initial excitement about visiting England dissipates, Joey begins to feel homesick, however, one of the bridesmaids helps him to forget about it. Meanwhile, Ross and Emily's parents get into an argument over the bill for the wedding.

In the aftermath of his Freudian slip, Ross tries to rescue his marriage with Emily. Meanwhile, Chandler and Monica try and find a moment alone in order to continue their affair while overseas.

Phoebe is rushed to the hospital for the birth of her brother's triplets. While there, Joey winds up with severe sympathy pains that turn out to be kidney stones. Meanwhile, Rachel tries to set Monica up on a date with a male nurse.

Although the Thanksgiving meal is great, Chandler is still moody over his parent's divorce during the holiday when he was a boy and Ross is depressed about his second divorce. The group reminisces about their worst Thanksgivings in order to cheer them up, and Monica's worst memory is revealed.

Monica begins to hang out with Chandler during his work functions, since they don't have to keep their relationship a secret among his coworkers. However, she learns that Chandler has a second, more annoying personality when he's around his boss. Meanwhile, Ross learns that Emily is getting remarried and in his grief hooks up with an old nemesis of the gang: Janice.

Joey starts dating Katie, a little girl who packs a mean punch. When Ross refuses to contribute to the retirement fund of the building's maintenance man, he winds up offending everyone in the building. Meanwhile, Chandler freaks out about his relationship with Monica.

Chandler decides the only way to mend his friendship with Joey is to fly out to Vegas and visit him. Phoebe is determined not to be left out on another adventure, so everyone winds up going. Trouble is in the water, however, when Chandler finds out that Monica had lunch with Richard. Meanwhile, Ross and Rachel try to embarrass each other after an awkward encounter.

Chandler and Monica reconcile and hastily decide to get married. Ross and Rachel get drunk and roam the casino. Phoebe deals with a 'lurker' on the slot machines.

Ross and Rachel experience the world’s worst hangover when they realize they’ve gotten married. Chandler and Monica back away from their own altar plans. Phoebe and Joey head back to New York in the taxi cab.

It's Thanksgiving and Monica's parents are coming to visit, which is a problem because, not only they do not like Chandler, they also don't know that he and Monica are living together. Rachel is tasked with making a Thanksgiving dessert, but she does so with mixed results. Meanwhile, Joey and Ross are eager to finish the dinner and leave, because they want to go to a Thanksgiving party with Janine and her dancer friends.

Janine gets an invitation to dance on "Dick Clark's New Year's Rockin' Eve" and she invites Joey, Monica and Ross to join her. Being huge fans of the show, Monica and Ross get overly excited. At the taping, Joey tries to kiss Janine at midnight and Monica and Ross resurrect their dance routine from high school. Meanwhile, Rachel, Phoebe and Chandler look for Monica's Christmas presents.

Rachel orders an apothecary table from Pottery Barn, which is a problem because Phoebe hates the mass-producing company. After Janine and Joey double date with Chandler and Monica, Janine tells Joey that she thinks the other two are boring. Ross buys a new apothecary table too, which causes problems for Rachel. After a confrontation with Monica and Chandler, Joey breaks up with Janine and she moves out.

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

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. When Joey misses the audition, he gets upset and the group reminisces about their mishaps in the past.

Chandler plans to propose to Monica at dinner, but his plans go awry when Richard shows up at the same restaurant. Meanwhile, Phoebe and Joey join Rachel at a charity auction only to discover that Joey isn't aware what a silent auction is. And Ross and Elizabeth's relationship comes to a crossroad.

Chandler continues to pretend to hate the idea of marriage, unaware that Richard wants Monica back. Meanwhile, Rachel and Phoebe discuss their 'back-up' plans, if they are not married by the time they're 40.

The gang celebrate Monica and Chandler's engagement. Phoebe wants to be the musician at the wedding and comes up with a new song, while Joey tries to dress and act like a 19-year-old for an audition. Ross and Rachel briefly reunite and after Monica catches them kissing, she's convinced that Rachel is trying to steal her thunder.

Ross drives himself insane when he can't name all 50 states in a simple game. Tag joins the gang for Thanksgiving dinner, where Joey accidentally spills the beans about Rachel's crush on him. Phoebe sneaks a dog into the apartment, making Chandler extremely nervous.

After the gang head up to the roof to see a passing comet, separate events unfold that lead to them all having a sleepless night.

A 20-minute special hosted by Conan O’Brien featuring some of the cast’s favorite outtakes from past episodes.

Joey's character on Days of Our Lives is awakened from his coma with a brain transplant from one of the show's most legendary characters. Ross practices the bagpipes for Monica and Chandler's wedding. Meanwhile, Phoebe and Rachel fight over a guy who left his cell phone in Central Perk.

Monica regrets telling a woman about a discount bridal shop when they end up fighting over the same dress. Meanwhile, Joey and Ross discover that they're dating the same girl.

So close to the wedding, Chandler suddenly realizes the overwhelming meaning of getting married and takes off without warning anyone. Meanwhile, Joey acts opposite a famous actor in a movie, but can't bring himself to tell him that he spits when he says his lines. Phoebe and Ross try to find Chandler before the wedding starts, while Rachel tries to hinder Monica, so that she doesn't find out the shocking news. On the day of the wedding Joey encounters a scheduling problem, while Phoebe and Rachel come across a surprising discovery.

The excitement of Monica and Chandler's wedding is diminished by the news that someone may be pregnant. Chandler's hopes of not embarrassing Monica on the dance floor are ruined by his slippery new shoes, and Ross' attempts to flirt with an attractive wedding guest.

Monica and Chandler return from their honeymoon with stories of a couple that they met on the flight back, but soon discover that the couple gave them a wrong number. Meanwhile, Ross and Rachel tell everyone about the night they were together, however, their stories differ as to who made the first move. While Ross emphatically defends his side of the story, he accidentally reveals that he has the encounter on videotape. Unsurprisingly, everyone wants to see it.

Chandler hires a maid, whom Monica suspects is stealing her clothing. Eric has broken up with Ursula and is ready to date Phoebe, except for one problem: he can't look at her without seeing Ursula. Meanwhile, Ross tries to get Rachel an apartment in his building, but the woman living there isn't in a hurry to die, and Joey wants Rachel to stay with him.

Chandler is peeved when Monica splurges on an expensive pair of boots. Meanwhile, Phoebe learns that Ben and Sting's son attend the same school and she angles to meet the celebrity and get concert tickets. Also, after Joey's sister Dina tells him that she's pregnant, he freaks out and goes to find the father to marry them. Rachel tries to calm him down.

Chandler's very curious about a locked closet by the bathroom in their apartment, but Monica won't tell him what is inside. After Phoebe convinces Monica to get a massage from her, she soon finds out that Monica makes sexual noises during the process, which makes Phoebe very uncomfortable. Meanwhile, Rachel feels her baby kick for the first time and Ross is upset when he can't be more involved in Rachel's pregnancy issues.

During Valentine's Day, Chandler and Monica discover the miracle of birth by watching an extremely graphic video. Ross hides the fact that Rachel is now living with him from Mona, which only gets him into more trouble. Meanwhile, Phoebe tries to help with Joey's depression caused by his feelings for Rachel by lending him the world's happiest dog.

Monica and Phoebe throw Rachel a baby shower but forget to invite Rachel's mom. During the baby shower Rachel panics when she realizes she has no idea how to look after the baby after the birth. Meanwhile, Joey auditions for a job as a host for a new game show called "Bamboozled", and Chandler and Ross help him practice.

Ross and Rachel go to the hospital to have their baby, but it's a long labor. They get stuck in a semi-private room, and many other couples come and go before Rachel is ready to deliver - the last couple being Janice and her new husband. Meanwhile, Chandler and Monica decide to start trying to have a baby, but can't find an empty hospital room where they wouldn't be disturbed. Also, Phoebe meets a handsome stranger and "recruits" Dr. Drake Ramoray to gather some personal information about him.

After Rachel gives birth to her little baby girl, she must confront relationship issues around her. So does Ross, who gets an engagement ring from his mother, while she urges him to propose to Rachel. The things, however, take an interesting turn.

Following Rachel's acceptance of Joey's accidental proposal, confusion reigns as Rachel wonders whether it was the right thing to do and Phoebe can't seem to mind her own business. Finally, Rachel, Ross and Joey get together and figure out that no one was actually going to propose. Meanwhile, Mr. Geller walks in on Monica and Chandler having sex in a closet.

Ross and Rachel hire a nanny for Emma named Sandy and things seem to be going great. However, Ross is uncomfortable having a male nanny. Meanwhile, Chandler becomes upset when Monica says that somebody from her new job is the funniest guy she's ever met. Also, after Phoebe and Mike decide to take their relationship to a new level and exchange apartment keys, Phoebe gets a surprise visit from her ex-boyfriend David.

Rachel's sister Amy tags along for Thanksgiving at Monica's place, because her (married) boyfriend cancels their plans. While watching the parade, Joey realizes that he forgot to show up for the Days of Our Lives cast float, and he asks Phoebe's help to come up with a believable lie. The dinner goes fairly well, however, Monica constantly obsesses about anybody damaging her best china. To make matters worse, Amy comes up with a crazy scenario involving Emma, which sparks a massive argument among the gang.

Everyone in the gang gets a little upset when Chandler announces that he'll be spending Christmas and New Year's Eve in Tulsa because of work. To make matters worse, Monica gets quite jealous when she finds out that one of Chandler's co-workers is a former Miss Oklahoma runner-up. After doing some retrospection, Chandler decides to quit his job.

The gang heads down to Barbados for the paleontology conference. While Ross and Charlie are excited about attending multiple seminars, the rest of the gang just want to enjoy their time on the beach but the rainy weather prevents them from doing so. Things, however, are far from boring - Phoebe discovers that she still has feelings for Mike even though she enjoys spending time with David, Rachel feels lonely and struggles to keep her feelings about Joey to herself, and Chandler is amused by Monica's hair.

After leaving Barbados, Joey and Ross both attempt to come clean to each other that they're dating Rachel and Charlie, however, various obstacles constantly get in their way. Meanwhile, Monica gets a new haircut much to Chandler's dismay and Phoebe finds out that Mike has another girlfriend.

Monica and Chandler nervously prepare for a visit from an adoption worker who will decide if they would be suitable parents. Meanwhile, Phoebe and Mike keep changing their minds about donating their wedding money to a children's charity. And Ross tries to help Rachel overcome her fear of swing sets so that baby Emma can enjoy the playground.

Joey is a celebrity contestant on "The $100,000 Pyramid," with its actual host, Donny Osmond. Meanwhile, Phoebe's bachelorette party features a rather unexpected surprise when the stripper shows up. Also, Chandler and Ross attend a college reunion and flash back to 1987 to reflect on a pact they made when they were in college.

As the big day approaches, Phoebe's wedding planner, Monica, makes everyone around her crazy because according to her - every little thing needs to happen around schedule. This doesn't sit well with Phoebe and she fires her. Unfortunately, on the wedding day New York is hit with the worst snowstorm its seen in 20 years, forcing plans to change. As a substitute for Phoebe's incarcerated father, Joey takes his role much too seriously. Meanwhile, Chandler and Ross discover that neither of them has a part in the wedding; however, after one of Mike's groomsmen is unable to attend, they compete for the open position by any means necessary.

Erica goes into labor and the new parents, Monica and Chandler, get a bit more than they bargained for. Meanwhile, Joey gets them a housewarming gift - Chick Jr. and Duck Jr., who unfortunately get trapped inside the foosball table. Also, after their night together, Ross realizes that he's still in love with Rachel and doesn't want her to leave. Other friends convince him to go after her and Phoebe races Ross to the airport in a bid to stop Rachel from leaving for Paris.

The six friends prepare to say goodbye and embark on the next chapters of their lives.