S1 E1 • Dancing to the Maxx

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."

Première diffusion : 20 août 1989

S1 E2 • The Lisa Card

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.

Première diffusion : 28 août 1989

S1 E3 • The Gift

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.

Première diffusion : 8 septembre 1989

S1 E4 • Fatal Distraction

Kelly has to choose between Zack and Slater to go to a big dance Bayside is having. Zack wants to make sure that he is Kelly's choice. In order to do that, he places a microphone in Jessie's room before her slumber party, which Kelly will be attending. Soon, Jessie discovers the microphone and Kelly comes up with a plan to play a trick on Zack, making him believe that she is a very dangerous soul.

Première diffusion : 9 septembre 1989

S1 E5 • Screech's Woman

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.

Première diffusion : 16 septembre 1989

S1 E6 • Aloha Slater

Slater has to decide rather or not he and his dad are going to move to Hawaii or stay in Bayside. It is interesting that Slater's dad lets him decide this but seems unconcerned with Slater's thoughts on his future later on (wrestling scholarship or the army.) Zack at first tries his best to convince Slater to move away, so that Zack can get rid of his best rival for babes. Zack changes his mind though and Slater stays in Bayside.

Première diffusion : 23 septembre 1989

S1 E7 • The Substitute

Ms. Simpson injures her back. A substitute teacher comes and all the girls including Lisa, Jessie and Kelly fall for the him.

Première diffusion : 30 septembre 1989

S1 E8 • Cream for a Day

The homecoming prom is coming up and Kelly is nominated to be crowned home coming queen, but she refuses to go out in public after discovering that she has a pimple. Zach and Screech accidentally create a zit removal cream only to find out that it has some very unusual side effects.

Première diffusion : 7 octobre 1989

S1 E9 • Pinned to the Mat

Slater feels inferior when he can't choose a career on career day. Zach wants to win a bet with a student at Bayside's rival school Valley, only to find out he's caught between a rock and a hard place when Slater quits wrestling.

Première diffusion : 14 octobre 1989

S1 E10 • Beauty and the Screech

Kelly is in trouble. If she fails science she can't go to a concert. Screech agrees to tutor her and they become best friends but this doesn't impress rivals Zack and Slater.

Première diffusion : 21 octobre 1989

S1 E11 • The Friendship Business

For a class project, the gang comes up with an invention that might go into business called friendship. However when Zach's selfish attitude gets in the way, the gang starts competing against him.

Première diffusion : 4 novembre 1989

S1 E12 • The Mamas and the Papas

Zach, Slater and Screech are paired up with Kelly, Jessie and Lisa for a marriage project only to find out that it's not as easy as it seems.

Première diffusion : 11 novembre 1989

S1 E13 • The Election

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.

Première diffusion : 18 novembre 1989

S1 E14 • The Zack Tapes

During class, Zack learns about subliminal advertising and realizes that it could be used to trick Kelly into going to the dance with him. However, Kelly catches on to his scheme and the girls decide to teach Zack a lesson, which leaves him humiliated.

Première diffusion : 2 décembre 1989

S1 E15 • King of the Hill

Zack Morris has always wanted to go out with Kelly Kapowski, the prettiest cheerleader in Bayside High. He tries to get near her, but transfer student A.C. Slater makes a play for her. Zack and Slater have their first little tiff about Kelly.

Première diffusion : 9 décembre 1989

S1 E16 • Save That Tiger

It's the annual Bayside vs Valley prank war. Meanwhile the girls try to come up with a new cheer in the annual cheerleader competition.

Première diffusion : 16 décembre 1989