When Kelly gets a job at the Max, the attraction of Kelly to her boss Jeff Hunter causes her and Zack to break up for good at the annual costume ball. Meanwhile, Jessie and Slater plot to be elected prom king and queen, while the gang forms a new band called 'Zack Attack' to perform at the dance. Written by Anonymous

During the summer before senior year, Lisa gets the gang jobs at the Malibu Sands Beach Club, which is run by the tough-minded Leon Carosi, and his equally tough-minded, no-nonsense daughter, Stacey. Mr. Carosi makes Zack and Screech waiters at the restaurant, while Jessie gets a job as the receptionist, and Slater and Kelly are assigned lifeguard duties on the beach. While the gang tries to hold a surprise birthday party for Zack, he is having trouble dealing with the bossy and snobbish Stacey, who tries to keep the gang off balance from their plans. Written by Anonymous

Zack attempts to get back at Kelly by making her jealous when he brings another girl to The Max to dance to his and Kelly's favorite song. But the plan misfires greatly, with Zack taking the worst of it. Meanwhile, the rest of the gang prepares for Lisa's Sweet Sixteen birthday party, first when they get angry at Kelly for dumping Zack, then when they get even more angry at Zack for the way he tries to humiliate Kelly. Written by Anonymous

At the Malibu Sands Beach Club, Zack wants to purchase a 1966 Mustang that the mean-spirited Mr. Carosi owns but refuses to sell it at a cheap price. So, Zack comes up with another nefarious plan: to have the gang form their own volleyball team for an impending competition with the rival North Beach Club so Zack can win the car, but if they lose, they'll all lose their jobs. Zack hires a tall guy, named Gary, to tip the scales in their favor, while Gary shows an interest in Kelly. But when Screech accidentally breaks Gary's foot and he cannot play, Stacey steps in as the replacement. Written by Anonymous

Mr. Belding accidentally trips Zack before a basketball game, causing him to suffer a knee injury, and Zack fears the surgery that is required to repair the cartilage in his knee. Meanwhile, Lisa becomes a candy striper at the hospital where Zack is. Written by Anonymous

As the Fourth of July weekend draws near, the annual endurance games between the staff and members also arrives with Zack as the captain of the staff team, and Lisa the captain of the members team. Later, Zack becomes a judge who must name the winner of the Miss Liberty Beauty pageant. But the major problem is, the contestants are his friends Lisa, Jessie, Kelly and Stacey, and Mr. Carosi tells Zack that he must vote for his daughter... or else. But when Kelly wins, Stacey feels betrayed and jealous, and Carosi threatens to fire Zack. Written by Anonymous

The Bayside annual class chess championship against Valley is approaching and Screech is the undefeated champion, thanks to the lucky beret that Violet gave him. But an attractive girl from Valley steals the beret after coming on to Screech, leaving him in a dilemma and it also has Zack and Slater destined to lose $300 in a bet they made involving Screech winning the championship. Written by Anonymous

Just as Zack and Stacey are getting close, Stacey's college boyfriend from back east comes for a visit, and Zack is heartbroken. Meanwhile, Jessie wants to prove to Slater that she's as good as a man in the annual ATV race the beach club throws. Written by Anonymous

Deciding to explore his horizons for the first time since his breakup with Kelly, Zack starts dating a college girl whom he meets outside an over-18 dance club, The Attic. Since Zack's new girl hangs out at The Attic, Zack asks Screech to make fake ID's for Screech, Slater and him so that they may meet . While there, they discover Kelly's boyfriend, Jeff with a girl other than Kelly. Kelly needs to be told about her cheating boyfriend, but no one will tell her except Zack. Naturally, Kelly refuses to believe Zack when he tells her that Jeff is cheating on her. Next, Kelly demands that Zack get fake ID's for her and Jessie so that they may accompany the boys to the club to see for themselves what is going on. Consequently, Zack asks Screech to make fake ID's for Jessie and Lisa so that they may go to The Attic to catch Jeff in the act. Despite Kelly's woes, Zack hits it off with Danielle. However, after a wayward telephone call, Zack's mother finds out that Zack is doing something ... Written by Anonymous and JLHunter

When Mr. Carosi leaves town for the day, Stacey is put in charge of the Malibu Beach Club, and she and the gang must hold two conflicting parties simultaneously: a 50th anniversary for an elderly guest couple and a Sweet Sixteen for another girl. To make matters worse, the entire kitchen staff goes on strike and the gang must cook for both parties. Meanwhile, Screech and Lisa go off in search for allegedly buried treasure on the beach, and with other greedy guests, they literally dig up the beach. Written by Anonymous

The gang is doing a biology project with the animals in the pond out beside Bayside. Zack brings in an injured white duck to have healed. But when oil is discovered on the property after digging for a new guard post, an oil company arrives to destroy the pond to drill for the oil. Written by Anonymous

The end of the summer luau comes which means that the gang and Malibu Sands must say adieu. Zack and Stacey want to make the best of their last weekend together before going their separate ways when she decides to return to college back east. Zack also tries to patch things up between Stacey and her father who disapproves of her dating Zack. Meanwhile, Slater has a secret admirer. Written by Anonymous

After Jessie's mother remarries, Jessie's devious stepbrother Eric, arrives in town from New York City to stay and he has more than Jessie annoyed when, instead of being friendly, he uses blackmail to get what he wants from the gang, especially when he extorts money from Zack by threatening to inform Mr. Belding about Zack cutting school to go to a baseball game. Zack tries to get even with the sociopath Eric by setting him up on a date with Lisa and has him drive Mr. Belding's new car so Zack can take a photo to blackmail him. But it backfires when Lisa drives the car instead and gets into an accident. Written by Anonymous

Zack, Slater and Screech try to find a way to repair the damage to Mr. Belding's car before he finds out. But when Eric accidentally learns that Zack tried to set him up, he makes things worse by taking the car apart. Meanwhile, Lisa tries to get close to Eric when she finds herself turned on by his aggressive and devious nature, while Jessie finally stands up to him and makes her disapproval of him and his personality. Written by Anonymous

Bayside holds a dance day auction to get money in order to pay for new cheerleader uniforms in which Zack, Slater and Screech are up for auction. Meanwhile, Jessie is appalled at the whole idea, but she inadvertently ends up winning Screech, while Kelly bids and wins with Slater, while Lisa becomes intellectual to impress a smart boy, named Brian, on the school staff. But Zack is most uncomfortable being the date for a lonely girl named Wendy. Written by Anonymous

While waiting with the gang to get U2 concert tickets at the mall, Zack finds $5,000 in cash in a bag and plans to use the money to buy and then scalp tickets for the concert. He and the gang end up getting chased around by two punks apparently after the money. Written by Anonymous

Jessie's self-esteem takes a dive when she gets 1205 points on the S.A.T.s, while Zack gets 1502. She feels her chances of getting into Stansbury University are hurt. Zack hires James, an actor and waiter at The Max, to impersonate a Harvard representative and convince the Stansbury University rep that Jessie is quite the catch. At the same time, Zack tries to woo student Heather when she asks his help for a study night. Written by Anonymous

The gang travels to Palm Springs for the wedding of Jessie's father David Spano, the owner of the Marriot Desert Sands Hotel, to a young aerobics instructor named Leslie whom Jessie deeply resents. Meanwhile, Slater meets and falls for Christine, a wealthy foreign princess from Liechtenstein, while Zack and Kelly get even closer and they think there's a chance to renew their romance. Written by Anonymous

Jessie tries to break up the wedding by trying to sabotage her father and Leslie's pre-wedding dinner. Slater gets intimidated by his royal girlfriend, Christina, after having dinner with her conservative father. Meanwhile, Zack and Kelly decide not to get back together because their romantic fling was a one-time thing, while Screech continues to have bad luck in trying to pick up a girl to date. Written by Anonymous

Zack leads the girls in a fight against the school board over new girl Kristy's right to be on the wrestling team, then Zack falls for her. But Lisa finds out and broadcasts the gossip over Bayside's radio station, making a jealous Jessie think that Kristy has fallen for Slater. Written by Anonymous

A famous film star comes to Bayside to shoot an anti-drug public service announcement. The gang are enchanted by him, but when they go to a party at his house, they discover he is a hypocrite.

Casey Kasem narrates the story of the rise, fall, and rise again of the gang's band, Zack Attack, detailing Zack, Slater, Screech, Lisa and Kelly's rise to fame, from average garage band to bestselling first album. But time, as well as Zack letting success go to his head, drive them apart into separate ventures, before they eventually get back together for a reunion concert. Written by Anonymous

The gang is out of school on Cut Day. But Zack's nine unexcused absences will get him suspended if he goes too. Nevertheless, he makes a bet with Slater that he can cut all classes during the day. Meanwhile, Slater and Kelly have fun together, while Jessie, the only other senior at the school, enjoys being with student council member Graham, who stages a one-man protest over the use of Styrofoam cups. Written by Anonymous

The gang are working various jobs at the local mall for the Christmas holiday in order to get the spending money they need. Meanwhile, Zack's mother, Melanie, is putting on her own production of A Christmas Carol, and Zack falls for Laura, one of Kelly's co-workers at the clothing store, but he is surprised when he learns of her father's plight. Written by Anonymous

Laura wants to be in the play Zack is in as well as get a jacket for her father. But when Laura's ruthless boss, Mr. Moody, thinks she stole the jacket, he fires her and only Zack can save her. Meanwhile, Zack's mother, Melanie, invites Laura and her father to stay over for Christmas. Written by Anonymous

Strange things are afoot when the gang travel to a Murder Mystery Weekend retreat at a remote mansion for an experimental game in which Zack has to play detective to solve a murder. But things take a turn when Zack becomes the suspect and several people begin disappearing. Written by Anonymous