Season 4, Episode 1: The Declaration
　　Original Air Date—10 October 2001
　　Javier goes crazy planning a wedding, Ben comes home with a plan, and Felicity and Noel struggle with their futures.
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　　Season 4, Episode 2: My Best Friend's Wedding
　　Original Air Date—17 October 2001
　　Noel and Felicity deal with the consequences of their encounter, Elena and Tracy's wedding is threatened by various incidents, and Sean and Meghan make a decision.
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　　Season 4, Episode 3: Your Money or Your Wife
　　Original Air Date—24 October 2001
　　Meghan's parents insist on meeting Sean and his family, Ben struggles in organic chemistry, and Felicity has tuition issues.
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　　Season 4, Episode 4: Miss Conception
　　Original Air Date—31 October 2001
　　Felicity competes in a beauty pageant and against an under-handed competitor, Meghan has to make a decision regarding her family, Noel gets an unexpected job offer, and Ben finds a lab test voucher.
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　　Season 4, Episode 5: Boooz
　　Original Air Date—7 November 2001
　　A dismal exam result and a disastrous encounter with the instructor send Ben and his lab partner on a binge, Noel and Javier go to Atlantic City, and Felicity's pageant comes back to haunt her.
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　　Season 4, Episode 6: Oops... Noel Did It Again
　　Original Air Date—14 November 2001
　　Bens father is sick and disrupts birthday plans for Felicity, Noel chafes at the tedium of his guidance job, and new roommates tax Elena's patience.
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　　Season 4, Episode 7: The Storm
　　Original Air Date—21 November 2001
　　Noel begins a new graphics job, Ben's mother comes to town, and Felicity tries to make it up to Ben.
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　　Season 4, Episode 8: The Last Thanksgiving
　　Original Air Date—28 November 2001
　　Felicity and company spend what may be their last Thanksgiving together. Meanwhile, Noel and his brother have a rather calamitous one.
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　　Season 4, Episode 9: Moving On
　　Original Air Date—5 December 2001
　　Things unresolved between Ben and Felicity result in matchmaking attempts by their friends, Noel sees a doctor.
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　　Season 4, Episode 10: Fire
　　Original Air Date—12 December 2001
　　Noel is advised to stop seeing Felicity for awhile, Ben has a major O-chem exam he's having trouble studying for, and Felicity makes another attempt to get into an Art Honors program.
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　　Season 4, Episode 11: A Perfect Match
　　Original Air Date—19 December 2001
　　A snowstorm proves fortuitous for Felicity, Ben's father has a crisis, and Noel starts his business with an unexpected partner.
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　　Season 4, Episode 12: Future Shock
　　Original Air Date—20 March 2002
　　Lauren makes an announcement to Ben. Noel and Sean bid for an account against the company who fired him, and Felicity is conflicted when pressured by her mother to consider another career.
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　　Season 4, Episode 13: Kiss and Tell
　　Original Air Date—27 March 2002
　　Tensions between Noel and Zoe rise. Sean and Meghan need different things from their relationship, and Ben confronts his dad and Felicity.
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　　Season 4, Episode 14: Raising Arizona
　　Original Air Date—3 April 2002
　　Ben's struggles with Lauren to maintain contact put him and Felicity at risk, especially when she seeks solace from Noel. Noel, meanwhile, has relationship issues of his own, and Meghan and Javier compete for the same part.
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　　Season 4, Episode 15: The Paper Chase
　　Original Air Date—10 April 2002
　　Under stress, Felicity does the unthinkable, Noel and Sean have business conflicts, and Javier must make a decision about what to tell a friend.
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　　Season 4, Episode 16: Ben Don't Leave
　　Original Air Date—17 April 2002
　　Felicity faces the hearing for her paper against a backdrop of stress as Lauren decides to leave early, and a car accident occurs. Meanwhile, Noel - spurred on by Sean - begins to doubt Zoe's interest in him.
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　　Season 4, Episode 17: The Graduate
　　Original Air Date—24 April 2002
　　Felicity finds out whether she will graduate, and Ben makes a decision about his future. Noel and Sean have a career crisis, and Felicity's parents descend.
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　　Season 4, Episode 18: Time Will Tell
　　Original Air Date—1 May 2002
　　The death of a friend sinks Felicity into a depression, and when she finds out Ben has been cheating on her she reevaluates the choices she has made.
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　　Season 4, Episode 19: The Power of the Ex
　　Original Air Date—8 May 2002
　　Felicity's choices affect everyone, and someone unexpected re-enters Noel's life.
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　　Season 4, Episode 20: Spin the Bottle
　　Original Air Date—15 May 2002
　　Ben challenges Felicity on her decision to leave him, Noel and Felicity decide to move in together, and Julie visits, creating havoc.
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　　Season 4, Episode 21: Felicity Interrupted
　　Original Air Date—22 May 2002
　　Concerned for Felicity's sanity, Noel and Ben take action. Meghan plays with Sean for revenge, and Ben and Julie plan a road trip.
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　　Season 4, Episode 22: Back to the Future
　　Original Air Date—22 May 2002
　　Devastated by a tragedy she believes is her fault, Felicty tries to put things right.