Season4,Episode1:TheDeclaratioeee
　　OriginalAirDate—10October2001
　　Javiergoescrazyplanningawedding,Bencomeshomewithaplan,andFelicityandNoelstrugglewiththeirfutures.
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　　Season4,Episode2:MyBestFriend'sWedding
　　OriginalAirDate—17October2001
　　NoelandFelicitydealwiththeconsequencesoftheirencounter,ElenaandTracy'sweddingisthreatenedbyvariousincidents,andSeanandMeghanmakeadecision.
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　　Season4,Episode3:YourMoneyorYourWife
　　OriginalAirDate—24October2001
　　Meghan'sparentsinsistonmeetingSeanandhisfamily,Benstrugglesinorganicchemistry,andFelicityhastuitionissues.
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　　Season4,Episode4:MissConception
　　OriginalAirDate—31October2001
　　Felicitycompetesinabeautypageantandagainstanunder-handedcompetitor,Meghanhastomakeadecisionregardingherfamily,Noelgetsanunexpectedjoboffer,andBenfindsalabtestvoucher.
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　　Season4,Episode5:Boooz
　　OriginalAirDate—7November2001
　　AdismalexamresultandadisastrousencounterwiththeinstructorsendBenandhislabpartneronabinge,NoelandJaviergotoAtlanticCity,andFelicity'spageantcomesbacktohaunther.
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　　Season4,Episode6:Oops...NoelDidItAgain
　　OriginalAirDate—14November2001
　　BensfatherissickanddisruptsbirthdayplansforFelicity,Noelchafesatthetediumofhisguidancejob,andnewroommatestaxElena'spatience.
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　　Season4,Episode7:TheStorm
　　OriginalAirDate—21November2001
　　Noelbeginsanewgraphicsjob,Ben'smothercomestotown,andFelicitytriestomakeituptoBen.
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　　Season4,Episode8:TheLastThanksgiving
　　OriginalAirDate—28November2001
　　FelicityandcompanyspendwhatmaybetheirlastThanksgivingtogether.Meanwhile,Noelandhisbrotherhavearathercalamitousone.
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　　Season4,Episode9:MovingOn
　　OriginalAirDate—5December2001
　　ThingsunresolvedbetweenBenandFelicityresultinmatchmakingattemptsbytheirfriends,Noelseesadoctor.
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　　Season4,Episode10:Fire
　　OriginalAirDate—12December2001
　　NoelisadvisedtostopseeingFelicityforawhile,BenhasamajorO-chemexamhe'shavingtroublestudyingfor,andFelicitymakesanotherattempttogetintoanArtHonorsprogram.
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　　Season4,Episode11:APerfectMatch
　　OriginalAirDate—19December2001
　　AsnowstormprovesfortuitousforFelicity,Ben'sfatherhasacrisis,andNoelstartshisbusinesswithanunexpectedpartner.
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　　Season4,Episode12:FutureShock
　　OriginalAirDate—20March2002
　　LaurenmakesanannouncementtoBen.NoelandSeanbidforanaccountagainstthecompanywhofiredhim,andFelicityisconflictedwhenpressuredbyhermothertoconsideranothercareer.
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　　Season4,Episode13:KissandTell
　　OriginalAirDate—27March2002
　　TensionsbetweenNoelandZoerise.SeanandMeghanneeddifferentthingsfromtheirrelationship,andBenconfrontshisdadandFelicity.
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　　Season4,Episode14:RaisingArizona
　　OriginalAirDate—3April2002
　　Ben'sstruggleswithLaurentomaintaincontactputhimandFelicityatrisk,especiallywhensheseekssolacefromNoel.Noel,meanwhile,hasrelationshipissuesofhisown,andMeghanandJaviercompeteforthesamepart.
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　　Season4,Episode15:ThePaperChase
　　OriginalAirDate—10April2002
　　Understress,Felicitydoestheunthinkable,NoelandSeanhavebusinessconflicts,andJaviermustmakeadecisionaboutwhattotellafriend.
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　　Season4,Episode16:BenDon'tLeave
　　OriginalAirDate—17April2002
　　FelicityfacesthehearingforherpaperagainstabackdropofstressasLaurendecidestoleaveearly,andacaraccidentoccurs.Meanwhile,Noel-spurredonbySean-beginstodoubtZoe'sinterestinhim.
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　　Season4,Episode17:TheGraduate
　　OriginalAirDate—24April2002
　　Felicityfindsoutwhethershewillgraduate,andBenmakesadecisionabouthisfuture.NoelandSeanhaveacareercrisis,andFelicity'sparentsdescend.
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　　Season4,Episode18:TimeWillTell
　　OriginalAirDate—1May2002
　　ThedeathofafriendsinksFelicityintoadepression,andwhenshefindsoutBenhasbeencheatingonhershereevaluatesthechoicesshehasmade.
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　　Season4,Episode19:ThePoweroftheEx
　　OriginalAirDate—8May2002
　　Felicity'schoicesaffecteveryone,andsomeoneunexpectedre-entersNoel'slife.
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　　Season4,Episode20:SpintheBottle
　　OriginalAirDate—15May2002
　　BenchallengesFelicityonherdecisiontoleavehim,NoelandFelicitydecidetomoveintogether,andJulievisits,creatinghavoc.
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　　Season4,Episode21:FelicityInterrupted
　　OriginalAirDate—22May2002
　　ConcernedforFelicity'ssanity,NoelandBentakeaction.MeghanplayswithSeanforrevenge,andBenandJulieplanaroadtrip.
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　　Season4,Episode22:BacktotheFuture
　　OriginalAirDate—22May2002
　　Devastatedbyatragedyshebelievesisherfault,Felictytriestoputthingsright.