At the mall, after Katie lies on a job application and is fired, she feels despondent that no one will hire her. Meanwhile, Ryan and Nicky get jobs at the same store and feud while Screech abuses his authority as a security guard.
After Rachel moves to Boston and breaks up with Ryan for another guy, Ryan deals with his resulting anger. Maria feels left out when Katie gets close to the captain of the swim team, and Screech extorts money from students to buy The Max.
With the girls' swim team poised to win the state championship, Liz convinces Screech to let the girls take the under-performing boys' practice time, leaving Ryan feeling dejected. Eric uses his position as reporter to get close to a girl.
Maria is excited to get the lead in the school play. But, when a new friend gets her started using marijuana, her role in the play and relationship with Nicky may be jeopardized. Meanwhile, Eric replaces Screech while he's sick.
Maria and Eric develop a stain remover and decide to sell it. But disaster strikes when it turns out not to be as great as they thought. Meanwhile, Mr. Belding helps Screech overcome his fear of public speaking.
An agent offers Eric a contract, but only if he switches to gangster rap. Meanwhile, Liz has trouble with how unhealthy the cookies she sells are, Ryan doesn't respect Nicky's authority, and Screech trains a rookie.
Katie feels pressured to be as good as her older sister after she is awarded a Rhodes scholarship and is invited back to Bayside to receive an award during homecoming. Meanwhile, Liz is nervous to the homecoming dance with Ryan.
Maria struggles to find - and keep - a job for her brother Tino, a fiasco-prone slacker. Meanwhile, Ryan coaches Eric for - and through - a trivia contest (for which Ryan is ineligible), with a new power-ski at stake.
After Bayside wins the state swim tournament, Liz's father becomes obsessed with her becoming an Olympic star and sets her up on a strict practice regimen. Meanwhile,Screech, Nicky, and Eric accidentally destroy the championship trophy.
At the mall, Ryan and Liz have a fight on their one month anniversary. After the boys are stuck in the elevator, the gang remember events of the past season to help Ryan and Liz get over their relationship problems.
The gang travel to Paris for a month-long program. Maria, Nicky, and Katie sneak out and have dinner in the Eiffel Tower's restaurant, but don't have enough money to pay the bill. Eric is homesick and Mr. Belding and Screech share a room.
At the Reynolds's home, disaster strikes as the boys cut corners to get the living room finished so they can leave for a trip they won. Meanwhile, Maria spray paints her cheek blue and Mr. Belding and Screech fight over the flower beds.
The gang build a Habitat for Humanity home for the Reynolds family. Maria falls for their oldest son, but soon treats him as if he's beneath her. Ryan, Nicky, Eric, and Liz try to get on TV while Mr. Belding and Screech build a mailbox.
During the gang's last days in Paris, Eric decides he wants to stay so he can be with Danielle. Meanwhile, Ryan, Katie, and Liz are swindled for a fake Picasso sketch while Screech drives Mr. Belding crazy with a whirlwind tour schedule.
Katie and Eric join ROTC in hopes of getting scholarships. But when the squad hassles Katie for being a girl, Eric, as squad leader, must do the right thing and report them. Meanwhile, Screech thinks he's dying.
On the wilderness trip, Nicky and Katie's feelings for each other rekindle, causing Katie to worry Nicky will cheat on her again. Meanwhile, Ryan passes the time with a broken leg while Mr. Belding and Screech search for a rare bird.