Teenager Zack Morris and five of his friends spend their days at Bayside High School in Palisades, California devising schemes to fool the gullible principal, Mr. Belding, and their nights at The Max.
Zack bets Carosi that if he wins a volley ball game, Zack can buy Carosi's car. But Zack's team seems to be short handed when the star player is injured.
Screech is struck by lightning in a freak accident. As a result, Screech can see into the future. Zack and Slater begin to bet on things in the future; Zack uses Screech's ability to see into the future to give him the edge in the bets. Screech tries to predict the questions to a school test but proves unsuccessful in this endeavor.
Because of her good grades, Lisa's dad gives her a credit card; but she goes overboard and her payment is due so she must find a way to earn some money.
Zach and Slater might turn back into rivals when they each fall for a new girl
It's 2003, and Mr. Belding and the new class finds a video time capsule from the class of 1993, which is Zack and the gang. The video shows the funny and the touching moments that the gang shared with each other.
Zach tries desperately to find Screech a woman so that he will concentrate on their science project but keeps on failing. Zack then comes up with the brilliant idea of posing as a woman over the phone to Screech. Brilliant that is, until Screech wants to meet his mystery woman and things get a little bit out of hand.
It's the last day at the beach resort. Zack and Stacy are hoping to have one last time together, but Karosi doesn't approve of their romance. Meanwhile a secret admirer is sending Slater some love letters.
A new girl comes to try outs for wrestling but gets rejected because she's a girl. Since Zack has a crush on her, he is willing to help her get on the team no matter what it takes.
A dance contest is hosted by famed Casey Kasem and held at the Max. Zack and Slater both try to obtain Kelly as a dance partner but Slater wins the honor. Zack goes with Jessie. Lisa has someone all lined up for the dance as well, but when she sprains her ankle he backs out. Screech agrees to dance with her in the contest even still. Screech and Lisa win the contest with a new dance known as the "sprain."
Slater is rejoined by his long lost sister who he hasn't seen in years and Zack finds himself falling for her. Slater doesn't approve of their romance and is determine to stop it.
Zack fails a test. If he does it again, he's off the track team. His teacher arranges a tutor for Zack who is a Native American. Zack soon learns about his own heritage but doesn't feel like going to the rally when tragedy strikes.
Stacey is left in charge when her father is away. Everyone is pitching in to help her, but gold fever hits the beach, someone accidentally booked two parties at the same time, and the chefs decide to quit.
On Valentine's Day the gang flashes back to the romantic adventures they've had in the past.
Zack decides to get all the seniors including Lisa, Slater and Screech, school rings. He gets them from a salesman but he learns he's been had when the rings turn out to be phony.
Zack participates in a Bayside's teen hot-line, and becomes close to a disabled girl. Meanwhile, Screech takes on a rambunctious boy.
To teach Zack some discipline, Belding sends him to a military group.
While putting up the new field goal post, oil is discovered. Soon the entire school is interested in the oil drilling, but Jessie doesn't like the idea.
Kelly gets a job working at The Max but may have to tell Zack it's over between them when she falls for her boss.
It's the annual Fourth of July beauty pageant and Zack is one of the judges. Carosi wants Zack to choose Stacey no matter what it takes.
A favorite graduate dies and leaves $10,000 in his will. This creates a battle of the sexes to see who gets the money.
Transfer student Tori is introduced in this episode, but Zack and Tori don't hit it off, and they are paired up for an ad project. Lisa alienates the Dance Committee before the Fall Ball.
Zack and Jessie are both running for class president. Zack decides to run only because he found out the winner of the election gets a trip to Washington D.C. Slater overhears Zack telling Screech about this, so Slater tells Mr. Belding about it. Mr. Belding tells Zack the trip was canceled--and that the only way Zack can prove he wasn't running just to get the trip is to stay in the election. Zack was ahead, but now he tries to lose. In the end he wins anyway, but Jessie is so upset that he confesses to her and promises to tell Mr. Belding the truth and resign the presidency in favor of Jessie.
Kelly leaves her infant brother in care of the gang while she gets her picture taken. While they are babysitting the little tyke, Kelly injures her arm.
Screech's parents leave for Graceland. While they are gone the gang accidentally breaks his mother's Elvis statue. With only a little money, they decide to hold a party to get a new statue before his mother finds out.