Casey Kasem hosts a dance contest at The Max.

Lisa charges an exorbitant amount on her father's credit card and fears that he will never forgive her.

After Screech gets struck by lightning, he gains the ability to see into the future, and Zack uses him to cheat on a mid term exam.

In an attempt to find out who Kelly wants to take to a dance, Zack and Screech bug the girls' sleepover party and the girls get revenge.

In an attempt to cheer Screech up enough to complete their science project, Zack pretends to know a girl who is interested in Screech, but things soon become complicated.

When his father is offered a transfer to Hawaii, Slater must decide whether to move there or stay at Bayside, and Zack takes full advantage of the situation.

After the school's drama teacher falls ill, a handsome substitute arrives, and quickly captivates the girls, much to the chagrin of the boys.

When Screech accidentally invents a seemingly miraculous zit cream, Zack sells it at school. However, it soon becomes clear that the cream has an alarming side effect.

During Career Week at school, Slater worries that continuing to focus on wrestling will not lead to a successful job. As a result, he quits the sport, worrying Zack, who has bet on Slater winning his next match.

After discovering she is failing in science, Kelly is tutored by Screech, and soon develops a crush on him.

As part of an assignment for economics class, the gang forms a friendship bracelet company, but infighting soon leads to trouble and defection.

As part of a class project, Zack and Kelly, Slater and Jessie, and Screech and Lisa are paired up in mock marriages.

When Zack finds out that the elected student council president gets to leave school for a trip to Washington D.C., he runs against Jessie.

Zach uses subliminal messages on a music tape in order to get Kelly to ask him out to a dance.

The first day of school proves eventful for Zack, Slater, Screech, Kelly, Jessie, and Lisa.

When Bayside's rival school, Valley, revives the schools' ongoing prank war, the gang tries to get even.

Zack le pide a Kelly que sea su pareja para el baile de graduación y ella acepta, pero cuando su padre pierde su trabajo, ella decide que la familia es más importante y renuncia a su oportunidad de ir, pero no puede decirle la verdad a Zack.

In order to avoid detention, Zack agrees to take part in a pilot program organized by the California Cadet Corps, but Army life proves to be much more difficult than he imagined.

The gang unearths Bayside's old school radio station and begins broadcasting again, before learning that The Max is to be closed if Max does not manage to pay $10,000 in back rent.

After becoming jealous of Slater's success in Driver's Ed class, Zack plots to get him into trouble, but his plan soon backfires.

Zack stays over at Screech's place for the weekend where the two of them along with Slater throw a party which is interrupted by the girls before breaking off a valuable item from Mrs. Powers.

Zack agrees to go on a date with Mr. Belding's niece Penny, but when Kelly invites him to her birthday party, he sends Screech instead.

When Mr. Belding tells Zack that he would like to see his father to discuss his bad grades, Zack hires an actor to play his father. However, things soon become complicated.

Bayside's winner of the Miss Bayside beauty pageant will go on to compete in the state-wide pageant of Miss High School California. The pageant stirs up controversy about sexism, in which both A.C. Slater and Screech enter as contestants to win a bet over who could win. Who will be the next Miss Bayside?

Jessie recurre a pastillas de cafeína para poder seguir el ritmo de sus estudios y su nuevo grupo de canto, Hot Sundae.

After a heated debate about the school calenders, a photographer decides to use Jessie, Lisa and Kelly in a photo shoot where Kelly is chosen as the winner of a contest that'll make her famous in France.

In an attempt to make money, Zack sets up a 900 number hotline, with Lisa offering advice to the students of Bayside. However, things go awry when Zack decides to keep the line running by dishing out bad advice.

After Zack breaks the school's video camera, he and the gang pretend Screech is an alien in order to win a photo competition. However, their picture soon arouses government suspicion.

If Zack wants to run the track meet, he better prepare his ancestry report where he gets help from an Indian.

Following a mix up, Kelly has to bring her baby brother Billy to school, and the gang must look after him.

El hermano de Mr. Belding, Rod, un profesor sustituto, llega a Bayside para enseñar la clase de Historia del grupo. Rod se vuelve instantáneamente popular, y pronto Mr. Belding se siente consternado al descubrir que los chicos prefieren a su hermano en lugar de a él.

La relación de Zack y Kelly está cada vez más sólida, pero pronto se ve amenazada cuando Zack se enamora de la nueva enfermera de la escuela.

A.C. Slater and Jessie are finally a couple, but messes it up by disagreeing about how they will celebrate their coupledom, football versus ballet. Zach makes all the wrong moves by getting jealous of Kelly going out with an ex-boyfriend. After a fight breaks out at school, Mr. Belding tries to set the example of how couples should communicate, and after failing miserably, sides with the boys. Neither the guys or the girls want to be the first to apologize, but are miserable without their counterparts. Can Slater and Zach make up for their shortcomings to their girls before it's too late?

After finding out that Bayside's glee club will travel to Hawaii if they reach the finals of a nationwide competition, Zack signs up, and convinces the rest of the gang to join him.

Kelly gets a job as a waitress at The Max and finds herself falling for the new manager, Jeff.

Due to Lisa's parents pulling some strings, the gang land summer jobs at Malibu Sands beach club, but Zack soon clashes with the owner Leon Carosi, and his initially abrasive daughter, Stacey.

The gang is forced to choose between supporting Kelly's relationship with Jeff and helping Zack cope with his grief over their break up, while Lisa plans her sweet sixteen party.

After discovering that the vintage Mustang he wants to buy belongs to Mr. Carosi, Zack convinces him to lower the price by claiming that the gang can win the annual beach volleyball match, though their chances of victory seem slim at best.

After Mr. Belding inadvertently trips him, Zack ends up in hospital and requires knee surgery, which causes him a lot of worry.

Malibu Sands is preparing to hold the annual Miss Liberty beauty pageant, and Zack, one of the judges, is pressured by Mr. Carosi to rig the competition in Stacey's favor.

After Screech makes it to the all city chess finals, Zack and Slater make a bet with Valley that he will win, which soon leads to trouble.

Zack and Stacey's relationship is going well until Stacey's boyfriend from Boston, Craig, surprises her at the beach club, leaving Zack devastated.

Zack comienza a salir con una chica universitaria llamada Danielle, y le pide a Screech que haga identificaciones falsas para que puedan pasar el rato con ella en un club. Sin embargo, las cosas se complican cuando los chicos ven al novio de Kelly, Jeff, allí con otra chica.

Stacey is left in charge of the beach club in Mr. Carosi's absence, and things soon turn chaotic when two different parties are double booked in the same room and the kitchen staff goes on strike.

El grupo está emocionado cuando encuentran petróleo en el campo de fútbol de Bayside, y sueñan con hacerse ricos. Sin embargo, pronto se dan cuenta de que todo tiene un precio.

El último fin de semana de la pandilla en Malibu Sands resulta agridulce, con Zack y Stacey renuentes a separarse el uno del otro, y el resto de la pandilla preparándose para regresar a casa.

El nuevo hermanastro de Jessie se muda desde Nueva York, donde tiene sus propios trucos, incluyendo sobornar a sus amigos.

Después de que Lisa y Eric chocan el auto del Sr. Belding, Zack y los chicos deben encontrar una manera de reparar el auto antes de que Belding regrese; mientras tanto, Jessie aún desaprueba que Eric salga con Lisa.

En un intento de recaudar dinero para nuevos uniformes de animadoras, Bayside realiza una subasta de citas. El plan de Zack de ir con una chica que le parece atractiva se arruina cuando Wendy, una chica con sobrepeso, le gana, y él intenta desesperadamente evitar la cita.

Mientras están en el centro comercial para comprar boletos para un concierto, la pandilla encuentra una bolsa que contiene $5,000. Deciden usarlo para comprar la mayor cantidad de boletos posible y revenderlos a precios más altos, pero parece que los dos hombres a quienes pertenece el dinero harán cualquier cosa para recuperarlo.

La pandilla realiza sus exámenes S.A.T., con los resultados sorprendiendo a algunos y siendo una gran decepción para otros.

The gang travel to Palm Desert for Jessie's father's wedding. His job as manager of a luxury hotel there guarantees them wonderful accommodation, but Jessie takes an immediate dislike to her father's much younger bride.

As the wedding approaches, Jessie desperately tries to sabotage things, Zack and Kelly grow closer, Screech's quest for a date continues, and Slater attempts to impress Christina and her father.

When Kristy, a new student, is not allowed to join the wrestling team because of her gender, Zack and Jessie campaign for her to be given a chance. However, Jessie soon mistakenly becomes convinced that Kristy is interested in Slater.

Una famosa estrella de cine llega a Bayside para grabar un anuncio de servicio público en contra de las drogas. La pandilla queda encantada con él, pero cuando van a una fiesta en su casa, descubren que es un hipócrita.

Zack falls asleep before band rehearsal and dreams of the gang's band, Zack Attack, achieving worldwide fame before succumbing to jealousy and infighting.

Es el Día de Faltar a Clase en Bayside, un día en el que tradicionalmente los estudiantes se saltan las clases. Zack quiere unirse, pero debido a que una ausencia más significará su suspensión, el Sr. Belding está decidido a vigilarlo durante todo el día.

Zack, Slater, Screech, Kelly y Jessie están trabajando en el centro comercial durante las vacaciones, donde hacen amistad con un hombre sin hogar y su hija.

Mientras la mamá de Zack se prepara para poner en escena la producción de A Christmas Carol en el centro comercial, el grupo intenta ayudar a los Benton a recuperarse para las fiestas después de que acusan a Laura de robar.

Como parte del premio de Lisa por ganar un concurso de radio, el grupo viaja a una mansión apartada para un fin de semana de misterio y asesinato. Sin embargo, las cosas pronto se vuelven siniestras cuando parece que hay un asesino real suelto.

El último año comienza, pero rápidamente se vuelve amargo cuando Zack y Slater chocan por la nueva chica en la escuela.

When the gang take part in a student-teacher exchange program, Zack becomes principal, Kelly a History teacher and Screech and Lisa the gym teachers. However, when Zack, Slater and Kelly clash over an exam, friendships are tested.

La pandilla produce un programa de televisión para la clase de Comunicaciones, y la salsa que Screech hace durante el segmento de cocina resulta ser un éxito. Deciden comercializarla y Screech consigue una novia, pero se niega a creer que ella lo está usando.

A new girl, Tori, arrives at Bayside and after she takes his parking space, Zack immediately squares off against her. However, she soon develops a seemingly unrequited crush on him.

When Lisa receives word that a recruiter from FIT wants to interview her, the gang help her put on a fashion show at The Max. However, the close working conditions mean Zack and Lisa grow close, leaving Screech brokenhearted and bitter.

The gang creates a teen line, designed to help students with their problems. Zack takes a call from a girl named Melissa and asks her out, but is taken aback when they meet up and he discovers that she is in a wheelchair.

As the annual masquerade ball approaches, Zack and Slater make a bet about who can kiss Tori first. However, when she discovers their scheme, she decides to get revenge, while Screech's love letters to Lisa cause all manner of mix ups.

After rigging a radio competition, Zack has the chance to win a trip to Hawaii, but his plans are scuppered when he is sent to detention for the day and his attempts to get the gang to help result in them being sent to detention as well.

Slater is offered a wrestling scholarship at the University of Iowa, but finds it difficult to tell his father, who wants him to go to West Point.

La pandilla aprende sobre los peligros de beber y conducir cuando, después de emborracharse en una fiesta, sufren un accidente en el coche de la madre de Lisa y tratan de encubrirlo.

Slater está horrorizado cuando su novia de Alemania llega a Bayside como una nueva estudiante. Zack ayuda a ocultar la relación de Jessie, pero es solo cuestión de tiempo antes de que ella se entere, y Slater debe averiguar dónde está su corazón.

Zack appears to have negotiated a great deal on class rings for the senior class, but it turns out he has been scammed. While he plots revenge, a misguided bet between Tori and Lisa leads to Screech falling for Tori.

On Valentine's Day, the gang reminisce and share memories of love and past romance.

The school fights over how to spend the money that an alumni has left the school. Zack, Slater, Screech, Ox and the rest of the guys want the money for boys' sports while Lisa, Tori, Ginger and the girls want it for girl's sports. So Mr. Belding decides to settle the conflict by having a sports competition between the boys' blue team and the girls' red team. But Zack resorts to unethical tactics when he sabotages the girls' oven during the bake-off contest, and when the girls find out, they plan their revenge, leading to an all-out war between the sexes.

In order to go on a ski trip, Zack and Slater trick Mr. Tuttle into thinking Mr. Belding is against him, prompting a strike. However, their plan is so successful that it could cause the annual Academic Bowl to be canceled.

Slater is pleased when his younger sister J.B. arrives at Bayside, but his happiness is short-lived: she wants to date Zack.

A medida que se acerca el baile de graduación, Zack descubre que todavía tiene sentimientos por Kelly. Sin embargo, ella ya tiene una cita, y Zack recurre a la trampa para ganarse su corazón, mientras el romance se gesta en otros lugares.

Zack acepta producir el anuario de video de Bayside, pero traiciona la confianza de todos al crear una cinta de citas usando imágenes de las estudiantes femeninas para obtener suficiente dinero y comprar un coche. Cuando los demás ven la cinta de citas, planean vengarse.

The gang forgets Screech's birthday and decide to throw him a surprise party in Mr. Belding's office. However, after being made Hall Monitor, Screech gets his revenge by sending them to detention, jeopardizing the party.

La escuela presenta una versión de hip hop de Blancanieves y los Siete Enanitos, con Zack y Jessie como los protagonistas. Sin embargo, cuando parecen desarrollar sentimientos el uno por el otro, corren el riesgo de arruinar tanto la obra como sus relaciones.

To avoid a Physics test, the gang throws a baby shower for Mr. Belding's wife Becky. As they are leaving the school, an earthquake strikes, trapping Zack and Tori in the elevator with Becky, who goes into labor.

Zack, Slater, Screech and Lisa reminisce about their summer working at Malibu Sands beach club and attending Jessie's father's wedding in Palm Desert.

Slater leaves his pet chameleon, Artie, in the gang's care when he goes away for a week. However, Slater returns to find that Artie has died, and blames them.

La clase de último año quiere dejar un regalo a los futuros estudiantes de Bayside y sugieren un concurso para crear una nueva canción escolar. Sin embargo, Zack decide manipular la competencia a su favor para ser recordado por algo más que su mal comportamiento.

In 2003, the senior class find a video time capsule buried by the gang in 1993 before graduation, and Mr. Belding, still Bayside's principal, watches it with them.

A medida que se acerca la graduación, Zack se entera de que le falta solo un crédito para graduarse. Desesperado por obtener crédito extra, se une a la compañía de ballet de Bayside, y cuando la enfermedad afecta a algunos de los otros miembros del elenco, llama a la pandilla para pedir ayuda.

El hermano de Mr. Belding, Rod, un profesor sustituto, llega a Bayside para enseñar la clase de Historia del grupo. Rod se vuelve instantáneamente popular, y pronto Mr. Belding se siente consternado al descubrir que los chicos prefieren a su hermano en lugar de a él.

In order to go on a ski trip, Zack and Slater trick Mr. Tuttle into thinking Mr. Belding is against him, prompting a strike. However, their plan is so successful that it could cause the annual Academic Bowl to be canceled.

The gang unearths Bayside's old school radio station and begins broadcasting again, before learning that The Max is to be closed if Max does not manage to pay $10,000 in back rent.

Una famosa estrella de cine llega a Bayside para grabar un anuncio de servicio público en contra de las drogas. La pandilla queda encantada con él, pero cuando van a una fiesta en su casa, descubren que es un hipócrita.

Slater is offered a wrestling scholarship at the University of Iowa, but finds it difficult to tell his father, who wants him to go to West Point.

Zack acepta producir el anuario de video de Bayside, pero traiciona la confianza de todos al crear una cinta de citas usando imágenes de las estudiantes femeninas para obtener suficiente dinero y comprar un coche. Cuando los demás ven la cinta de citas, planean vengarse.

After a heated debate about the school calenders, a photographer decides to use Jessie, Lisa and Kelly in a photo shoot where Kelly is chosen as the winner of a contest that'll make her famous in France.

Zack and Stacey's relationship is going well until Stacey's boyfriend from Boston, Craig, surprises her at the beach club, leaving Zack devastated.

In 2003, the senior class find a video time capsule buried by the gang in 1993 before graduation, and Mr. Belding, still Bayside's principal, watches it with them.

After rigging a radio competition, Zack has the chance to win a trip to Hawaii, but his plans are scuppered when he is sent to detention for the day and his attempts to get the gang to help result in them being sent to detention as well.