Brandon and Kelly reveal to everyone that they're a couple. After getting scammed out of his millions, Dylan spends the summer living on a Mexican beach like a homeless person. Valerie Malone moves into Brenda's room and pretends to be super perky and bubbly.
When Dylan discovers that Brandon and Kelly are dating, he shows up drunk and disheveled at a charity ball to angrily confront them. Donna's plans to be a debutante in Houston get derailed after her mother says racist things. Ahn-drea has second thoughts about putting Hannah in daycare.
Brandon and Josh campaign for student senate amid mud-slinging and allegations of cheating. Valerie shows up at the pool hall where Dylan hangs out...and soon after, the two hit the sack. Clare moves into the beach apartment with Kelly and Donna.
Brandon is dazed and depressed in the aftermath of Josh's death. Donna becomes smitten with KEG hottie Griffin Stone and later learns he's the guy her mother wanted to set her up with. David meets Clare in computer class and the two immediately hit it off. Dylan and Valerie hit the sack again.
Kelly distrusts Valerie after she catches her smoking pot and making out with a drunk Dylan. Steve, Dylan, and Nat throw a rave at the Peach Pit and it turns out to be a great success. Donna meets a construction worker named Ray Pruit.
Kelly, Valerie, Griffin, and Steve kidnap the giant bear mascot from a rival university. Ray Pruit takes Donna to a pumpkin patch on their first date. Brandon takes a stand against the President of Selanesia: an accused torturer, who's also Chancellor Arnold's closest friend.
David finds a pair of handcuffs in Clare's room and cuffs himself to her headboard without realizing she doesn't have the key. When Ray discovers that Donna stood him up to go out with Griffin, he gets mad and smashes a giant pumpkin. Steve learns that Dylan has been doinking Valerie.
Donna ends things with Griffin at the KEG Halloween party and chooses Ray to be her fella. Dylan's downward spiral worsens when he starts doing hard drugs and fires off his gun inside his house. Clare and David camp out in the desert and try to find aliens.
The gang (plus the Walshes and Nat) organize an intervention for Dylan, but he doesn't respond well to criticism over his drinking, drugging, and shitty behavior. Kelly is offered the opportunity to model for a series of layouts in Seventeen magazine, but isn't that thrilled about it. Donna invites Ray to dinner with her and her parents, and the four have a really uncomfortable evening.
After crashing his Porsche and slipping into a coma, Dylan has a series of tedious dream sequences that feature Suzanne, Kevin, Erica, Mrs. Teasley, and his drug dealer. Steve is dismayed when his dad shows up uninvited to a football tournament and takes it upon himself to coach the KEG team.
When the Black Student Union invites a controversial speaker to California University, the Jewish students get upset and stage a protest...and this causes a temporary rift between Ahn-drea and Brandon. Donna invites Ray to the beach apartment for a special dinner to celebrate his 25th birthday.
Everyone's psyched about the upcoming Rolling Stones concert at the Rose Bowl. Dylan enters rehab and runs afoul of an annoying curmudgeon named Charlie. Brandon is forced to defend his right to remain CU's student body president during a Constitutional Review Board hearing.
Steve's holiday rave turns disastrous when the house he and Griffin rent bursts into flames because of an overloaded fuse box...and the ensuing fire traps Kelly and a lesbian partygoer in a downstairs bathroom. Brandon re-connects with Emily Valentine, who's sporting a grisly Moe Howard hairdo.
Steve and Griffin deal with the legal fallout from the rave fire, which injured Kelly and burned Alison to a crisp. Brandon secretly hangs out with Emily at the Bel Age Hotel, but eventually sends her packing so he can fully devote himself to being Kelly's boyfriend. Dylan comes home from rehab.
Felice offers Ray $10,000 to stop dating Donna, but the plan backfires when Donna and Ray give LuAnn the money to go on a holiday cruise. Dylan goes to the FBI to ask Christine Pettit for help with getting his millions back, and she dispatches Jay J. Jones to his house to carry out the mission. Ahn-drea and Jesse spend Christmas bickering with each other.
Steve fulfills his court ordered community service at a nursing home and befriends Milton Berle, one of the home's residents. Donna tries to convince Ray to perform on the opening night of the new Peach Pit After Dark, but he's not interested. Ahn-drea encounters her laundry pal, Peter, when she and Jesse rush Hannah to the emergency room.
Brandon and Dylan go on a road trip together and get busted for urinating on sacred burial ground. Steve is upset that he's banned from having anything to do with the Peach Pit After Dark. Kelly attends a psychology seminar led by Professor Finley and begins falling under the creepy man's spell.
Dylan summons Valerie to Mexico to help him and Jonesy reclaim the millions that Kevin and Suzanne scammed from him in Season 4. Kelly's devotion to creepy Professor Finley intensifies...and puts a strain on her relationship with Brandon.
Valerie is disappointed when Dylan is only willing to pay her $10,000 for her part in the Mexico caper...and so she asks Jonesy for a bigger payout. Ariel Hunter approaches Ray and sets up a meeting for him with the president of Firestorm Records, but Ray turns down their deal. Professor Finley is unsuccessful in his bid to get tenure at CU, and orders Kelly to break up with Brandon.
An increasingly zombified Kelly obeys Finley and breaks off her relationship with Brandon. Valerie moves out of the Walsh house and into the swanky Bellamy Hotel. Ray is frustrated with Donna's "no doinking" policy and hits the sheets with Valerie.
Dylan infiltrates the New Evolution so he can rescue Kelly from Finley's clutches. When Valerie gets possessive of Ray, he threatens to end their affair. Ahn-drea and Peter take the next step in their nauseating flirtation and start tongue kissing.
Valerie buys Rush's share of the After Dark and ends Ray's stint as the club's performer when he refuses to continue their yucky affair. A rash of violent crime on the CU campus has the students on edge. Ahn-drea and Peter continue their obnoxious flirtation and contemplate cheating on their spouses.
The campus rapist targets Donna, but his attack is foiled when David happens to drop by the beach apartment...and he gets beaten senseless by David and Donna. Ahn-drea tells Peter she wants to leave Jesse so they can be together, but Peter's like, "Whoa!" and tells her he has no intention of ever leaving his wife.
Clare and David film "real life" footage of themselves, Donna, Kelly, Brandon, and Steve for a school project. Valerie runs out of money and moves back to Casa Walsh. Jesse confesses to Ahn-drea that he recently doinked another woman.
Brandon and Clare try out for College Jeopardy, but step aside when they both realize that Ahn-drea is the best prospective contestant. In the aftermath of their infidelities, Ahn-drea and Jesse fight bitterly for most of the episode...but eventually kiss and make up.
David travels to Portland to visit his mom...but when he discovers that she's been missing for several months, he enlists Donna (who's in Portland to spend a week with Ray) to help him with the search, and Ray gets really pissed off.
David enlists an inner city kid to help him DJ hip-hop night at the After Dark, but it ends badly when a brawl breaks out. Brandon is roped into entertaining a child prodigy who the chancellor hopes will enroll at CU. Valerie travels to Reno to convince Ray to return to L.A.
Kelly's Seventeen magazine cover is published, but she's bummed 'cause the photo was taken before she got scarred in the rave fire. LuAnn gets drunk at the After Dark and blurts out to David and Clare that Valerie and Ray hooked up.
Dylan goes under hypnosis, regresses to the Old West, and hooks up with Kelly. Brandon runs for re-election as student body president and loses to Alex Diaz. Papa Walsh is worried he might soon be fired.
When Brandon and Dylan pressure Kelly to choose between them, she leaves them both hanging by nonsensically announcing, "I choose me." Papa Walsh is offered a major promotion if he's willing to relocate to Hong Kong. Ahn-drea and her brood leave Beverly Hills forever. Yiiipppeee!!!!
In this two hour extravaganza, the gang heads to Palm Springs for a KEG/Alpha weekend convention. Ray throws a tantrum and shoves Donna down a flight of stairs, causing her to sprain her arm. Steve becomes smitten with Canadian supermodel Monika Schnarre, but soon discovers she's a he. Dylan puts himself in jeopardy when a potential investor for his screenplay threatens his life after he contacts FBI agent Christine Pettit. Brandon is still angry with Kelly for not accepting his marriage proposal and drinks all weekend.