Fonzie's adoption request is reconsidered after a stern talk by Howard to the adoptions administrator. Meanwhile, Joanie and Chachi continue to prepare for their wedding.

With Richie in a dating slump, Fonzie sets Richie and himself up on a double date with two of his girls, Laverne and Shirley.

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.

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.

Fonzie finds his his bike in pieces, and the search is on to find out who did it.

Needing to make a good impression for a prospective business deal, Howard asks Richie to take the ""Prince of Porcelain's"" daughter out on a date. Richie, however, already has big plans and asks Potsie to take his place and pretend to be him.

Joanie develops a crush on Potsie after he sings to her at Arnold's.

With nothing to do for the Easter holiday, Richie, Potsie, and Ralph decide to rent a cabin at Lake Whitefish. They pretend to be adult businessmen in order to secure the cabin and get girls.

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.

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.

With Howard's hardware store about to face new competition, the Cunninghams decide they need to rent the room above their garage to generate extra income. Howard is shocked when Richie rents it to Fonzie.

Because the high school was vandalized, Officer Kirk imposes a curfew. Richie suggests that they demonstrate against the curfew, get arrested, and fight it in the courts. While Richie, Potsie, and Ralph are in the restroom at Arnold's discussing their plans, the lights go out, and they discover they are locked inside after Arnold closes up for the night.

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

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.

Fonzie poses as a police officer in order to stop a rumble between two rival gangs.

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

A fencing champion from France visits UWM for an exhibition. After he insults Joanie and America, Richie challenges the champion to a duel.

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.

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.

Fonzie receives a Christmas gift from his father but is reluctant about accepting and opening it. Meanwhile, Richie and Lori Beth argue about what they've spent on each other's gifts, and Joanie is upset at Howard for getting an artificial tree.

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.

Fonzie discovers thousands of dollars in counterfeit money hidden in a casket inside of a hearse he is working on. When he doesn't return from the funeral parlor after bringing back the hearse, the guys fear the worst.

Facing failing his anatomy final, Potsie threatens to quit school. Fonzie tells him to use music as a tool to help him with the exam. Meanwhile, Joanie and Howard are at odds over her less-than-stellar report card, and Fonzie needs a new pair of boots.