The Costume Ball is coming up and Zack and Kelly plan to go as Romeo and Juliet. Kelly gets a job at the Max, and her boss, Jeff, comes between her and Zack.
The first beach episode. The kids start their jobs at the beach club and sneak in after hours to have a surprise birthday party for Zack.
Zack is upset at Kelly after their breakup and tries to make her feel bad. The gang is caught in the middle. Lisa plans her Sweet Sixteen party.
The Malibu Beach Club plays a volleyball game against a rival. Zack finds a tall guy and promises him a date with Kelly so he'll play on the team.
Right before a big basketball game, Mr. Belding runs into Zack and hurts his knee. Lisa begins volunteering at the hospital.
Zack must name the winner in the Miss Liberty Beauty pageant; the problem: the contestants are Lisa, Jessie, Kelly and Stacey.
It's the chess championship against Valley and Zack and Slater bet $300 that Screech will win. When some Valley students steal Screech's lucky beret, Zack and Slater retaliate by stealing Screech's opponent.
Just as Zack and Stacey are getting close, Stacey's boyfriend from back east comes for a visit; Jessie wants to prove to Slater that she's as good as a man in an ATV race.
Zack meets a college girl and tells her he goes to USC and is studying photojournalism. Screech makes fake IDs and the guys sneak out to meet her at the over-18 nightclub "The Attic."
The gang must hold two conflicting parties simultaneously: a 50th anniversary and a Sweet Sixteen; Screech and Lisa search for buried treasure.
The gang does a biology project with the animals in the pond out beside Bayside. Zack and the gang take care of "Becky," an injured duck. Oil is discovered after a digging for a new goal post and an oil company wants to destroy the pond.
The end of summer means that the gang and Malibu Sands, and Zack and Stacey, must say goodbye.
After Jessie's Mom remarries, Jessie's step-brother, Eric, arrives in town from NYC, and he has more than just Jessie annoyed when he uses blackmail to get what he wants from the gang.
After Eric causes Lisa to wreck Belding's car, he tries to prevent Zack and Slater from repairing it so he can continue to use the accident as blackmail.
The school holds a dance-date auction to pay for new cheerleading uniforms, where Zack, Slater and Screech are up for auction; Jessie is appalled at the whole idea; Lisa becomes an intellectual to impress a smart boy.
The gang camps out to buy tickets to the U2 concert. Zack finds $5,000 in the mall, and plans to use the money to buy - and then scalp - tickets for the concert. The gang is chased through the mall by two suspicious men.
The gang takes the SATs and Jessie is upset to learn that Zack scored better than she did. He got 1502 and she got 1205. This makes it harder for her to get into Stansbury College, so Zack hires James, a waiter at the Max, to pose as a representative from Harvard and act like he's recruiting Jessie.
The gang travels to Palm Springs for the wedding of Jessie's dad, David Spano, to aerobics instructor, Leslie, whom Jessie doesn't approve of; Slater meets a princess; Zack and Kelly start to rekindle their relationship.
Jessie tries to break up the wedding; Slater is intimidated by Christina's family; Zack and Kelly decide not to get back together.
Zack and the girls fight for a girl's right to be on the wrestling team, then he falls for her. She stands up for him at the Max when some bullies from Valley start picking on him and he's not sure how to deal with it.
A rock star known for his anti-drug stance comes to Bayside to film an anti-drug commercial, and soon falls for Kelly.
A fantasy of Zack's: the group becomes famous rock stars. Fame goes to their heads and then they're reunited when Slater gets in an accident.
The gang is out of school on Cut Day, but Zack's nine unexcused absences will get him suspended if he goes too; Slater and Kelly have fun; Jessie enjoys Student Council member Graham's protest over the use of Styrofoam cups.
The gang is working at various jobs during the Christmas holidays, meanwhile Zack's Mom is putting on a production of: "A Christmas Carol." The guys help a homeless man in the mall. Zack falls for one of Kelly's co-workers, Laura, but he's surprised when he learns of her father's plight.
Laura wants to be in the play, and she wants a jacket for her dad, but when her boss, Mr. Moody, thinks she's stolen it, he fires her; the Morris family invites the Bentons to stay for Christmas.
The gang travels to a Murder Mystery Weekend in an old mansion. Suddenly strange things start happening and people start disappearing.