Friends ( season 4 ) - wikipedia Friends ( season 4 ) Friends ( season 4 ) Friends season 4 DVD cover Country of origin United States No. of episodes 24 Release Original network NBC Original release September 25, 1997 ( 1997 - 09 - 25 ) -- May 7, 1998 ( 1998 - 05 - 07 ) Season chronology ← Previous Season 3 Next → Season 5 List of Friends episodes The fourth season of Friends, an American sitcom created by David Crane and Marta Kauffman, premiered on NBC on September 25, 1997. Friends was produced by Bright / Kauffman / Crane Productions, in association with Warner Bros. Television. The season contains 24 episodes and concluded airing on May 7, 1998. It was one of three seasons included on TV Guide 's list of the Top 100 TV Seasons. Contents 1 Cast and characters 1.1 Main cast 1.2 Recurring cast 1.3 Guest stars 2 Episodes 3 Ratings 4 Notes 5 Awards and nominations 6 References 7 External links Cast and characters See also : List of Friends characters ( In particular, Introduced in season 4 or Only in season 4 ) Main cast Jennifer Aniston as Rachel Green Courteney Cox as Monica Geller Lisa Kudrow as Phoebe Buffay Matt LeBlanc as Joey Tribbiani Matthew Perry as Chandler Bing David Schwimmer as Ross Geller Recurring cast Paget Brewster as Kathy Helen Baxendale as Emily Waltham Tate Donovan as Joshua Burgin Giovanni Ribisi as Frank Buffay, Jr. Debra Jo Rupp as Alice Knight Alison LaPlaca as Joanna Michael G. Hagerty as Mr. Treeger James Michael Tyler as Gunther Teri Garr as Phoebe Abbott Laura Dean as Sophie Christina Moore as Marjorie Guest stars Maggie Wheeler as Janice Hosenstein Elliott Gould as Jack Geller Christina Pickles as Judy Geller Jason Brooks as Rick Michael Vartan as Tim Burke Penn Jillette as Encyclopedia Salesman Hugh Laurie - as The Gentleman on the Plane Laura Stepp as Amanda Dan Gauthier as Chip Matthews Rebecca Romijn as Cheryl Taylor Negron as Allesandro Sherri Shepherd as Rhonda, the tour guide Tom Conti as Steven Waltham Jennifer Saunders as Andrea Waltham June Whitfield as the housekeeper Olivia Williams as Felicity Jane Carr as the ticket agent Sarah Ferguson as Herself Episodes See also : List of Friends episodes No. overall No. in season Title Directed by Written by Original air date Prod. code U.S. viewers ( millions ) 74 `` The One with the Jellyfish '' Shelley Jensen Wil Calhoun September 25, 1997 ( 1997 - 09 - 25 ) 466601 29.4 During a trip to the beach, Monica, accompanied by Joey and Chandler, is stung by a jellyfish ; the only remedy they can think of is for someone to pee on the sting. Chandler complies. Ross and Rachel get back together until Ross can not stand Rachel thinking he has taken full responsibility for the flaws in their relationship. Phoebe gets to know her birth mother. 75 `` The One with the Cat '' Shelley Jensen Jill Condon & Amy Toomin October 2, 1997 ( 1997 - 10 - 02 ) 466602 25.5 A cat enters the coffee house and sniffs around Phoebe 's guitar case. When Phoebe picks the cat up, she believes that her dead mother 's spirit is inside it. Joey tries to sell his entertainment unit and when showing a customer that it is big enough to fit a grown man, the customer puts a hockey stick through the handles, locking Joey in and steals everything in his and Chandler 's apartment. Monica dates Chip Matthews ( Rachel 's ex-boyfriend ), the most popular boy from her high school, but dumps him after she realizes he is an immature loser who still lives with his parents. 76 `` The One with the Cuffs '' Peter Bonerz Seth Kurland October 9, 1997 ( 1997 - 10 - 09 ) 466603 24.0 Chandler dates Rachel 's boss, Joanna, again and finally breaks up with her after she handcuffs him to her office chair. Rachel then comes to Chandler 's rescue, with doubts as she realizes she could get fired for going into her boss 's office. Monica caters a party for her mother, but while preparing the food she loses a fake finger nail in the quiche, ruining her plans to impress her critical mother. A salesman ( Penn Jillette ) comes to Chandler and Joey 's apartment selling Encyclopedias and starts teaching Joey things from the books. 77 `` The One with the Ballroom Dancing '' Gail Mancuso Ted Cohen & Andrew Reich October 16, 1997 ( 1997 - 10 - 16 ) 466604 24.3 Joey helps the apartment supervisor Treeger with his ballroom dancing skills in order to help Monica and Rachel keep their illegal apartment. Chandler wants to quit the gym, but ca n't because of the attractive staff. Ross, originally to help Chandler quit, ends up with a gym membership when they leave. Their later plan is to cut the gym from their financial source, so they attempt to quit their bank but because of the attractive female staff there, they end up with a joint - checking account. Phoebe, on the other hand, has a crush on her client but is forbidden to do so because he is her client. This led to her being fired. 78 5 `` The One with Joey 's New Girlfriend '' Gail Mancuso Gregory S. Malins & Michael Curtis October 30, 1997 ( 1997 - 10 - 30 ) 466605 24.4 Chandler starts to fall in love with Joey 's new girlfriend, Kathy, after he flirted with her in the coffee house, unaware Joey was dating her. Rachel becomes jealous of Ross 's relationship and ends up dating a college student, who turns out to be stealing from her. Phoebe 's voice becomes stuffy after she catches a cold, which gives her a new sexy voice for singing and finds that she likes her `` new '' singing voice better. 79 6 `` The One with the Dirty Girl '' Shelley Jensen Shana Goldberg - Meehan & Scott Silveri November 6, 1997 ( 1997 - 11 - 06 ) 466606 25.7 Ross ' new girlfriend ( Rebecca Romijn ) seems nearly perfect until he discovers that her apartment is incredibly dirty. Chandler buys Kathy a first edition of her favorite children 's book for her birthday. He tries to help Joey ( then dating Kathy ) buy a present that is comparable to his own, but Joey only ends up purchasing something very meaningless and inexpensive. Phoebe and Monica decide to become partners in a catering business. 80 7 `` The One Where Chandler Crosses the Line '' Kevin S. Bright Adam Chase November 13, 1997 ( 1997 - 11 - 13 ) 466607 26.4 Chandler must decide between the girl of his dreams, Kathy, and his best friend Joey when he and Kathy share a secret and secluded passionate kiss. Chandler, feeling guilty about his kiss with Kathy, buys new furniture and appliances for his and Joey 's apartment to fill in the empty spaces left after the robbery. When Joey finds out about the kiss, he attempts to punish Chandler for five years. Ross starts playing the keyboard again for the first time since college and reinvents his musical art ( or as Ross calls them, `` wordless sound poems '' ). 81 8 `` The One with Chandler in a Box '' Peter Bonerz Michael Borkow November 20, 1997 ( 1997 - 11 - 20 ) 466608 26.8 Chandler agrees to spend Thanksgiving in a shipping crate as a punishment from Joey for kissing Kathy. After Monica accidentally gets ice in her eye, she visits her new eye doctor, who turns out to be out of town, and is seen by Richard 's son ( Michael Vartan ). She then invites him over for Thanksgiving, which the others do not approve of. After Kathy visits and breaks up with Chandler due to not wanting to break up a friendship, Joey forgives Chandler and tells him to go after her before she leaves. 82 9 `` The One Where They 're Going to Party ! '' Peter Bonerz Ted Cohen & Andrew Reich December 11, 1997 ( 1997 - 12 - 11 ) 466609 23.9 Chandler and Ross 's friend `` Gandalf '' is planning to come to town. They are very excited until he cancels. When they 're forced to try to have a fun time on their own, they 're forced to realize that they 're becoming older and no longer enjoy the party scene. Monica has to choose between a head chef job and catering with Phoebe, and helps Phoebe with ideas for a business of her own. Rachel gets `` hired '' as the assistant buyer at Bloomingdale 's but does n't get the promotion because her supervisor dies before she turns in the HR paperwork. 83 10 `` The One with the Girl from Poughkeepsie '' Gary Halvorson Scott Silveri December 18, 1997 ( 1997 - 12 - 18 ) 466612 23.2 Ross must decide whether to continue dating a girl he must travel two - and - a-half hours to see or a girl much closer to home but much less fun. He eventually decides to see the girl from Poughkeepsie, but he falls asleep on the train and ends up in Montreal. Chandler tries to set Rachel up with a guy from his office, but could n't succeed. Phoebe tries to write the perfect Christmas song about her friends. Monica starts her new job as head chef at a restaurant, but since her unflattering newspaper review resulted in the previous head chef being fired, the kitchen staff hate her and torment her constantly. On Chandler 's suggestion, she hires Joey as a waiter with the purpose of firing him to intimidate the other staff into obeying her ; the plan falls through initially after Joey receives good tips from patrons, and he is reluctant to lose his job. However, after the constant bullying almost reduces Monica to tears, Joey steps up and allows her to fire him, frightening the staff. 84 11 `` The One with Phoebe 's Uterus '' David Steinberg Seth Kurland January 8, 1998 ( 1998 - 01 - 08 ) 466610 23.7 Phoebe does n't know what to do when Frank Jr. visits with his new wife and asks her to carry their child. She visits her birth mother who tells her it is n't a good idea. To support this, she gives Phoebe a puppy, but only for three days to prove it will be hard to give it up. Phoebe decides she will carry their baby because when it 's over, they will be so happy, making Phoebe feel good. Meanwhile, Monica teaches Chandler the secrets of a woman 's seven erogenous zones, for which Kathy is extremely grateful. Note : In `` The One Where Chandler Does n't Like Dogs, '' Chandler does n't like dogs. However, he is seen in this episode with a dog. 85 12 `` The One with the Embryos '' Kevin S. Bright Jill Condon & Amy Toomin January 15, 1998 ( 1998 - 01 - 15 ) 466611 27.1 Phoebe 's uterus is examined for implantation of the embryos. A seemingly harmless game between the guys and the girls escalates into a full - blown contest to see which pair knows more personal data about the other. The guys end up betting the chick and the duck, and the girls end up betting their apartment. When the guys win, Rachel tells them that it was just a game but the guys continue to move in. At the end, Phoebe tells everyone she 's pregnant. In 2009, TV Guide ranked this episode # 21 on its list of the 100 Greatest Episodes. 86 13 `` The One with Rachel 's Crush '' Dana DeVally Piazza Shana Goldberg - Meehan January 29, 1998 ( 1998 - 01 - 29 ) 466613 25.3 As the guys and the girls switched apartments, Monica told the guys they have to be the hosts only for her to want to become the hostess again. Chandler breaks up with Kathy after seeing her having simulated sex on stage with another man. Kathy tells Chandler that it is just her job, and tells Chandler to call her when he can grow up. It is later revealed that Kathy was n't sleeping with him, but starts to after her and Chandler 's dispute, causing Chandler to say, that their `` second fight... is going to be A BIG ONE ! '' Rachel has a crush on Joshua, a handsome customer and even ponders asking him out. 87 14 `` The One with Joey 's Dirty Day '' Peter Bonerz Wil Calhoun February 5, 1998 ( 1998 - 02 - 05 ) 466614 25.1 Joey has to go to Charlton Heston 's new movie but smells awful because of a three - day fishing trip with his father previously and never had time to shower. He breaks into Heston 's dressing room and uses his shower. Rachel sets Ross up with her boss 's niece, Emily ( Helen Baxendale ) so that she can go to Joshua 's invested nightclub. Chandler ca n't get over Kathy, and remains in his barcalounger, in his sweat pants. 88 15 `` The One with All the Rugby '' James Burrows Story by : Ted Cohen & Andrew Reich Teleplay by : Wil Calhoun February 26, 1998 ( 1998 - 02 - 26 ) 466617 24.4 Ross plays rugby with some of Emily 's English friends and ends up in a lot of pain afterward. Chandler runs into Janice and tells her that his company is transferring him to Yemen in an effort to escape reuniting with her. Monica obsesses over a light switch that does n't seem to control anything, and even cuts the wall open herself to follow the wire after an electrician, the super and the electrical plans to the building prove unfruitful. It is revealed that it controls the television in Joey and Chandler 's apartment. 89 16 `` The One with the Fake Party '' Michael Lembeck Story by : Alicia Sky Varinaitis Teleplay by : Scott Silveri & Shana Goldberg - Meehan March 19, 1998 ( 1998 - 03 - 19 ) 466615 23.1 Rachel throws a fake party for Emily, who 's returning to London, just so she can see Joshua outside of work. The baby in Phoebe 's womb is craving meat, which is putting a strain on Phoebe 's vegetarianism. Just as Rachel is about to kiss Joshua, Phoebe 's baby kicks. After several failed and embarrassing attempts to seduce Joshua, Rachel finally admits the truth. 90 17 `` The One with the Free Porn '' Michael Lembeck Story by : Mark Kunerth Teleplay by : Richard Goodman March 26, 1998 ( 1998 - 03 - 26 ) 466616 23.2 Chandler and Joey discover that they 're getting a free porn channel on their TV. Ross tells Emily how he really feels about her. After she has left for England, he flies to London to see her, unaware that she 's already on her way back to New York to see him. The doctor tells Phoebe that she is going to have triplets. 91 18 `` The One with Rachel 's New Dress '' Gail Mancuso Story by : Andrew Reich & Ted Cohen Teleplay by : Jill Condon & Amy Toomin April 2, 1998 ( 1998 - 04 - 02 ) 466620 21.7 Joshua invites Rachel to his parents ' house, who are said to be out of town. She changes into a more revealing dress and Joshua and his parents walk in, much to her embarrassment. Phoebe is offered the chance to name one of the triplets and chooses ' Chandler ' over ' Joey '. Chandler realizes he has a horrible name and wants to change it, much to Phoebe 's disapproval. When Phoebe leaves, it is revealed that it was just a plan by Chandler to get her to choose his name. Ross suspects Emily of having an affair with Carol 's wife Susan. 92 19 `` The One with All the Haste '' Kevin S. Bright Scott Silveri & Wil Calhoun April 9, 1998 ( 1998 - 04 - 09 ) 466618 21.8 Monica and Rachel have Knicks season tickets and offer them to the guys if they give them their apartment back. Chandler does n't trade but Joey wants to. They play a game with Phoebe as the judge on picking the highest card out of a deck of cards and the winner takes it all. The guys win, so they set off to watch the game. While Chandler and Joey are at the Knicks game, Monica and Rachel switch the apartments back, despite the guys winning the tickets and the right to keep the apartment fair and square. But Rachel has a backup offer that she and Monica will kiss for one minute which the boys accept. Ross proposes to Emily and she accepts. Ross and Emily announce their engagement in front of his friends, which Rachel hears about. She, teary - eyed, congratulates the couple saying she is so happy for them. 93 20 `` The One with All the Wedding Dresses '' Gail Mancuso Story by : Adam Chase Teleplay by : Gregory S. Malins & Michael Curtis April 16, 1998 ( 1998 - 04 - 16 ) 466621 21.9 Ross asks Monica to pick up Emily 's wedding dress and instead Monica tries the dress on and keeps it. Phoebe then comes to Monica 's in a wedding dress. Because of Ross 's proposal to Emily, Rachel, feeling slightly jealous, tries to talk Joshua into marriage. He does n't accept, and Rachel becomes dejected. Later when Rachel puts on a wedding dress at Monica 's ( with Phoebe ), the three of them hear a knock on the door thinking it 's Chandler. When Rachel opens it, she finds out it 's actually Joshua, who gets freaked out and leaves, thereby ending the relationship. Chandler takes Joey to a sleep clinic because he starts snoring all the time and meets a girl named Marjorie ( Christina Moore ) who talks in her sleep. She later is in bed with Chandler and screams really loudly and wakes up Joey. 94 21 `` The One with the Invitation '' Peter Bonerz Seth Kurland April 23, 1998 ( 1998 - 04 - 23 ) 466619 21.5 Ross and Emily are sending their wedding invitations ; Emily does n't think it 's a good idea to invite Rachel, as she believes it would be too `` awkward '' for him, but Ross invites her anyway. After scenes shown from previous episodes of her and Ross ' relationship, Rachel decides not to go, and instead keep Phoebe company in case she goes through labor. 95 22 `` The One with the Worst Best Man Ever '' Peter Bonerz Story by : Seth Kurland Teleplay by : Gregory S. Malins & Michael Curtis April 30, 1998 ( 1998 - 04 - 30 ) 466622 23.2 Ross chooses Chandler as his best man, but picks Joey instead when Chandler says Ross wo n't be his best man. Joey then loses Ross 's ring after a bachelor party and is convinced the stripper stole it after she slept with Joey. They later find out that the duck swallowed the ring. The duck is taken to a vet doctor who by a simple procedure ensures the safety of Joey 's duck and the ring is also extracted and given back to Ross. The girls give Phoebe a baby shower during the height of her mood swings. 96 97 23 24 `` The One with Ross 's Wedding '' Kevin S. Bright Michael Borkow Story by : Jill Condon & Amy Toomin Teleplay by : Shana Goldberg - Meehan & Scott Silveri May 7, 1998 ( 1998 - 05 - 07 ) 466623 466624 31.6 All the friends go to London, except for Phoebe, who 's pregnant and Rachel, who thinks it will be too painful to see Ross get married, and tells Ross she has to work. The building where Ross and Emily schedule to get married has been torn down a few days early, but they decide to marry there anyway. Richard Branson cameos as a souvenir stand salesman and Sarah, Duchess of York appears in a video with Joey. Rachel decides to go to Ross 's wedding after all, to say she still loves him, but stops when sees how happy he is. Rachel tearfully congratulates Ross and they hug with her almost in tears. Emily 's parents try to fool Ross 's parents with the wedding bill, paying to remodel their house as well. Chandler and Monica sleep together after a drunk guy thinks she is Ross 's mother. At the altar while Ross is saying his nuptials, he makes a big mistake and says Rachel 's name instead of Emily 's. Ratings No. in series No. in season Episode Air date Time slot ( EST ) Rating / Share ( 18 -- 49 ) Viewers ( m ) Weekly Rank Ref. 74 `` The One with the Jellyfish '' September 25, 1997 ( 1997 - 09 - 25 ) Thursdays 8 : 00 p.m. 19.5 / 32 29.4 75 `` The One with the Cat '' October 2, 1997 ( 1997 - 10 - 02 ) 17.6 / 30 25.5 76 `` The One with the Cuffs '' October 9, 1997 ( 1997 - 10 - 09 ) 16.7 / 28 24.0 77 `` The One with the Ballroom Dancing '' October 16, 1997 ( 1997 - 10 - 16 ) 16.4 / 28 24.3 5 78 5 `` The One with Joey 's New Girlfriend '' October 30, 1997 ( 1997 - 10 - 30 ) 16.3 / 26 24.4 7 79 6 `` The One with the Dirty Girl '' November 6, 1997 ( 1997 - 11 - 06 ) 17.5 / 28 25.7 5 80 7 `` The One Where Chandler Crosses the Line '' November 13, 1997 ( 1997 - 11 - 13 ) 18.2 / 29 26.4 81 8 `` The One with Chandler in a Box '' November 20, 1997 ( 1997 - 11 - 20 ) 18.4 / 29 26.8 5 82 9 `` The One Where They 're Going to Party ! '' December 11, 1997 ( 1997 - 12 - 11 ) 16.1 / 26 23.9 5 83 10 `` The One with the Girl from Poughkeepsie '' December 18, 1997 ( 1997 - 12 - 18 ) 15.2 / 26 23.2 5 84 11 `` The One with Phoebe 's Uterus '' January 8, 1998 ( 1998 - 01 - 08 ) 15.7 / 24 23.7 5 85 12 `` The One with the Embryos '' January 15, 1998 ( 1998 - 01 - 15 ) 17.3 / 27 27.1 86 13 `` The One with Rachel 's Crush '' January 29, 1998 ( 1998 - 01 - 29 ) 16.9 / 27 25.3 87 14 `` The One with Joey 's Dirty Day '' February 5, 1998 ( 1998 - 02 - 05 ) 17.0 / 26 25.1 6 88 15 `` The One with All the Rugby '' February 26, 1998 ( 1998 - 02 - 26 ) 16.5 / 26 24.4 5 89 16 `` The One with the Fake Party '' March 19, 1998 ( 1998 - 03 - 19 ) 15.9 / 26 23.1 90 17 `` The One with the Free Porn '' March 26, 1998 ( 1998 - 03 - 26 ) 15.9 / 27 23.2 5 91 18 `` The One with Rachel 's New Dress '' April 2, 1998 ( 1998 - 04 - 02 ) 14.9 / 24 21.7 92 19 `` The One with All the Haste '' April 9, 1998 ( 1998 - 04 - 09 ) 15.4 / 27 21.8 93 20 `` The One with All the Wedding Dresses '' April 16, 1998 ( 1998 - 04 - 16 ) 15.3 / 26 21.9 5 94 21 `` The One with the Invitation '' April 23, 1998 ( 1998 - 04 - 23 ) 15.3 / 27 21.5 5 95 22 `` The One with the Worst Best Man Ever '' April 30, 1998 ( 1998 - 04 - 30 ) 16.0 / 27 23.2 5 96 / 97 23 / 24 `` The One with Ross 's Wedding '' May 7, 1998 ( 1998 - 05 - 07 ) 21.2 / 35 31.6 Notes Jump up ^ These episodes originally aired as a single double - length episode but are sometimes split into two episodes for syndication, reruns and DVD presentation. Awards and nominations 50th Primetime Emmy Awards Award for Outstanding Supporting Actress in a Comedy Series ( Lisa Kudrow ) ( Episode : `` The One with Ross 's Wedding '' ) 14th TCA Awards Nomination for Outstanding Individual Achievement in Comedy ( Courteney Cox ) References ^ Jump up to : `` Friends Nielsen Ratings Archive -- Season Four ''. Newmusicandmore.tripod.com. Retrieved July 31, 2014. Jump up ^ `` TV Guide 's Top 100 Episodes ''. Rev / Views. Retrieved July 4, 2016. Jump up ^ `` Nielsen Ratings ''. http://newmusicandmore.tripod.com/. Retrieved June 2, 2017. External link in website = ( help ) External links List of Friends episodes on IMDb Friends : Season 4 at Rotten Tomatoes Friends Characters Chandler Bing Phoebe Buffay Monica Geller Ross Geller Rachel Green Joey Tribbiani Episodes Season 1 `` The Pilot '' ( 1.01 ) `` The One with the Sonogram at the End '' ( 1.02 ) `` The One with George Stephanopoulos '' ( 1.04 ) Season 2 `` The One with the Lesbian Wedding '' ( 2.11 ) `` The One After the Superbowl '' ( 2.12 -- 2.13 ) `` The One with the Prom Video '' ( 2.14 ) `` The One Where Dr. Ramoray Dies '' ( 2.18 ) Season 3 `` The One Where No One 's Ready '' ( 3.02 ) Season 4 `` The One with the Embryos '' ( 4.12 ) `` The One with Ross 's Wedding '' ( 4.23 -- 4.24 ) Season 5 `` The One After Ross Says Rachel '' ( 5.01 ) `` The One Hundredth '' ( 5.03 ) `` The One with All the Thanksgivings '' ( 5.08 ) `` The One with the Girl Who Hits Joey '' ( 5.15 ) `` The One Where Rachel Smokes '' ( 5.18 ) `` The One Where Ross Ca n't Flirt '' ( 5.19 ) `` The One with the Ride - Along '' ( 5.20 ) Season 6 `` The One After Vegas '' ( 6.01 ) `` The One with the Apothecary Table '' ( 6.11 ) `` The One with the Proposal '' ( 6.24 -- 6.25 ) Season 7 `` The One with Monica and Chandler 's Wedding '' ( 7.23 -- 7.24 ) Season 8 `` The One with Rachel 's Date '' ( 8.05 ) `` The One with the Rumor '' ( 8.09 ) Season 9 -- Season 10 `` The Last One '' ( 10.17 -- 10.18 ) Related articles Music `` I 'll Be There for You '' Joey Mad About You Awards and nominations Friends... ' Til the End Retrieved from `` https://en.wikipedia.org/w/index.php?title=Friends_(season_4)&oldid=807296278 '' Categories : Friends seasons 1997 American television seasons 1998 American television seasons Friends ( season 4 ) episodes Hidden categories : CS1 errors : external links Use mdy dates from May 2012 Pages using deprecated image syntax Infobox television season articles that use the season name parameter Talk Contents About Wikipedia Wikiquote Dansk Español Français Italiano Português Русский Suomi Türkçe 中文 Edit links This page was last edited on 27 October 2017, at 02 : 57. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: when do monica and chandler first sleep together
Answer: The One with Ross's Wedding"