Worried that he's losing his cool, Fonzie attempts to jump 14 garbage cans on his motorcycle. The stunt will be televised on You Wanted to See It.

Fonzie crashes after a successful attempt to jump 14 garbage cans on his motorcycle and faces surgery to remove torn cartilage in his knee.

After being embarrassed at Arnold's by a couple of hoods, Richie wants to take a jujitsu class to learn how to defend and stand up for himself.

At his 45th birthday, Howard realizes that his life has been very dull up to this point, and he attempts to run away to Tahiti.

Fonzie provides a drummer, who is black, to play with the band at Richie's party.

Marion, tired of the monotony of everyday house chores, decides to enter a televised dance contest. When Howard won't participate with her, she secretly enlists the help of Fonzie. Arnold unwittingly tells Howard that Marion has been at Arnold's early in the morning with another man, and Howard becomes suspicious.

Needing money to get tickets to a big football game, Richie, Potsie, and Ralph decide to babysit 15 children on the night of Mardi Gras.

With Potsie away, the guys try to get Fonzie to take his place as the band's singer for the Senior Dance.

Fonzie takes Howard to court after Fonzie's pigeon cage falls through the roof of his apartment during a blizzard. Fonzie claims the weight of the snow caused the roof to collapse while Howard claims it was the pigeon cage.

Richie, Potsie, and Ralph stage a beauty contest at Arnold's in order to meet girls. They plan to enter a plant into the contest who won't accept the prizes when chosen as the winner. Richie is uneasy about this but reconsiders when a cheerleader he's interested in enters.

Spike is an accomplice during a burglary at Arnold's, and it is up to Fonzie to set him straight.

Fonzie is forced to wear glasses after Ralph's father discovers he has astigmatism.

Arnold asks Fonzie to be the best man at his wedding, but Fonzie is resistant to the idea because of the "Fonzarelli curse." Arnold's fiance calls the wedding off when she thinks she'd be holding back Arnold's career.

After passing make-up health exams and getting permission for Fonzie to participate, the guys arrange for aspects of the graduation ceremony to be sped up in order to accomodate the inclusion of Fonzie's speech.

Fonzie survives an explosion at the garage triggered by the counterfeiters. The counterfeiters don't know that Fonzie has survived, so a phony funeral is staged at their funeral parlor to entrap them.

Now that Joanie, Lori Beth, and Richie Jr. have left the Cunningham house, Marion looks to find ways to cope and occupy her time. Meanwhile, Fonzie isn't able to run Arnold's by himself in addition to his garage and teaching duties, so he looks to sell his half of Arnold's.

Fonzie receives a good citizenship award from the Milwaukee Chamber of Commerce, but the ceremony is interrupted by a disgruntled childhood classmate of the Fonz who's been waiting 17 years for his revenge. They agree to settle their differences, but Ashley asks Fonzie to promise not to fight.

Joanie and Chachi have the opportunity to appear on a television music show but learn that their format is folk. Meanwhile, Fonzie is upset that folk music seems to be replacing rock and roll.

Marion encourages K. C. to date, so she accepts an invitation to Arnold's Gala Costume Ball from Melvin Belvin.

Facing competition from a hardware store at a new mall, Howard says he'll have to close Cunningham Hardware.

When Heather asks Santa to patch up the rift between her mother and grandparents, Fonzie decides to make her wish come true. Meanwhile, K. C.'s parents visit for Christmas, and a rivalry between Howard and his brother reignites.

A record producer hears a demonstration tape of Joanie and Chachi and is eager to sign them. However, Chachi has an argument with Mario, a member of the band, and says they're breaking up.

It's Heather's birthday, but Fonzie (along with Potsie and Roger) has to report for the Army reserves. He promises Heather that he will be at her party, but he didn't count on Officer Kirk being the commanding officer.

Fonzie finds a note he wrote as a child containing a list of things to accomplish in the next twenty years. On the list is one goal he hasn't yet accomplished: climb Suicide Hill on a motorcycle. The problem is that he's already tried it and failed.