Richie and the guys organize a time capsule for a school project. Howard agrees to let them use the vault at his store for the capsule, and Potsie accidentally locks them all inside.

Facing a dating slump, Fonzie suggests that Richie go to the library to meet girls. Richie meets Lori Beth Allen at the library who invites him to her dorm room.

Fonzie is invited to a socialite dinner party, but the people who invite him do so thinking Fonzie will make a fool of himself.

After getting a ""D"" on a paper for his investigative reporting class, Richie decides to do a story about the corrupt sanitation department that is forcing Howard to pay a weekly surcharge.

After one date with Jennifer Jerome, Potsie wants to ask her to marry him. Howard suggests that they get pinned instead, but, after asking her, Potsie suddenly backs out.

Joanie is set to go on her first car date, so Fonzie and Richie show her how to counter any advances her date may make toward her. Joanie says she may not want to counter his advances and would like to experience her first kiss.

Lori Beth reports that Richie isn't moving after they crash his new motorcycle.

Joanie daydreams about the gang singing romantic Valentine's Day songs.

Fonzie's girlfriend is a moderately successful ballet teacher, but Fonzie has trouble accepting that she may be happier as a professional performer in New York.

Richie and Lori Beth have a fight and break up before going on a weekend trip where the band is backing up Leather and the Suedes. Meanwhile, Howard and Marion argue about women's rights.

Richie makes up a story to tell Lori Beth when he's actually escorting a baton twirler to the fraternity dance.

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.

Ralph asks Leather to the annual military ball. Ralph, under the advisement of Fonzie, learns to act like a serious gentleman, and Leather, under the advisement of Marion, learns to dress and act like an elegant lady.

Meanwhile, Marion continuously beats Howard at various board and card games.

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.

Mork returns to 1950s Milwaukee to learn about relationships in this fifth anniversary retrospective episode.

Needing extra money, Chachi begins selling Incredo-Wax, a miracle product that will shine anything. Unfortunately, it has disastrous side effects and ruins everything it touches.

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.

Wanting to be treated more like an adult, Chachi sells his soul to the devil. In order to get him out of it, Fonzie has to go 24 hours without receiving a kiss from a girl.

The merchant seamen are in town, and with them is Rico, a sworn enemy of Fonzie. Fonzie is primed to fight, but Father Delvecchio makes him promise not to.

Angry with Lori Beth about her wanting him to wear a Humpty Dumpty costume for a Homecoming parade, Richie goes to a bar to be alone. He meets a young woman there and finds they work in complementary fields. The woman asks Richie to go with her on a trip to Venice, and he accepts.

Howard puts on a burlesque show for his Leopard Lodge with the hope that it will earn him the honor of being the Grand Poobah. The show is in jeopardy of being halted when the girls hired for the show are snowed-in in Buffalo, New York.

Richie is chosen the 1961 Delta Gamma King and acts like a jerk after receiving the honor. However, nobody knows that the reason he acts the way he does is a result of someone slipping a pill into his ginger ale. The next day, everyone is angry with Richie, but he is confused because he doesn't remember anything that happened after being crowned king.

Milwaukee's East Boulevard Business Association, led by Howard, wants to build an expressway off-ramp through Inspiration Point. Everyone does their best to stop the construction and save Inspiration Point.

The guys and their girls go on a camping trip for their Spring vacation. Under Richie's leadership, everything seems to go wrong and nobody has a good time.

Chachi accidentally sets Arnold's on fire, and Fonzie, Potsie, and Ralph are trapped inside.

As 50/50 partners, Fonzie and Al are at odds about various aspects of the new Arnold's and threaten to not build it at all.

Joanie thinks Chachi is losing interest in her, and Chachi thinks Joanie isn't taking him seriously. On the advice of Lori Beth, Joanie invites Chachi over for dinner on a night where she is babysitting Potsie's cousins. Chachi tells Al that he's finally going to make his move with Joanie.

Potsie secures an audition as a singer for a local club. The potential success goes to his head, and he treats those around him as inferiors.

Howard's Uncle Joe, after reading Richie's report on the 1920s, tells him a story about what really happened during Prohibition.

Ralph's parents are getting a divorce, and Ralph becomes depressed.

Meanwhile, Marion practices for her upcomming role as the witch in a Hansel & Gretel play.

Richie (with Lori Beth and Richie Jr.) and Ralph return from the army. Howard is able to get Richie an interview with The Milwaukee Journal, but Richie doesn't appear to be interested.

Still upset about having given up on his dream as a screenwriter and having to pretend to be happy all of the time, Richie takes out his frustrations on everyone around him - including punching Fonzie in a bar.

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.