It's Fonzie's birthday, and past clips are shown as the gang reminisce.

The gang organizes a surprise party for Howard and Marion's 20th anniversary as clips from previous episodes are shown.

Lori Beth has to write a term paper on the typical, middle-class family, so she interviews each Cunningham family member as well as their friends as clips from past episodes are shown. Fonzie says he'll tell Lori Beth something nobody knows about the Cunninghams.

The entire gang goes to Colorado to help Marion's Uncle Ben at his dude ranch. They have to come up with enough money in five days to pay off Ben's neighbor who holds a note on the ranch. They also will have to keep the ranch up and running.

The gang stages a rodeo in an attempt to raise money to pay off the note H. R. Buchanan holds on Marion's Uncle Ben's ranch.

Richie is able to stop the out-of-control horses that are pulling a wagon Joanie is in. With the deadline looming, the gang is still short $1017.38 for H. R. Buchanan's note, so Fonzie volunteers to ride a killer bull for a $1000 prize.

Al accidentally hits Fonzie in the head with a serving tray, and he becomes blind as a result.

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

Fonzie and his girlfriend's son are getting along together as if they were father and son, but his girlfriend reveals that she and her estranged husband are getting back together.

Joanie thinks she's found true love in Jefferson High's star quarterback. However, she sees him sweet-talking another girl, breaks up with him, and is faced with not having a date for her sweet-sixteen party.

Richie is writing a story about fears and phobias, and he finds out that Ralph is afraid of nearly everything. While Richie, Potsie, and Ralph are visiting a professor whose specialty is fear, lab mice become agitated. The professor concludes that it is a sign that a tornado is coming.

Al fears an old lady has cursed him.

Al thinks about taking on an investment partner to create an Arnold's franchise. When Al suggests consulting an accountant and lawyer before they complete the deal, the man he's dealing with calls in his goons to threaten Al.

Fonzie comes to think that he is allergic to girls.

Upset that the rest of the family is watching a football game instead of helping her prepare the Thanksgiving dinner, Marion reminds them of the meaning of the holiday with the story of the first Thanksgiving.

Richie is falsely accused of being the Kissing Bandit.

Howard and Al are co-chairmen of a Leopard Lodge fund-raiser. When the magician/escape-artist they hired injures himself while attempting the milk-can escape, Fonzie suggests another magician, the Amazing Randi.

Richie, who is running for class president, gets his picture taken at a massage parlor by his opponent. Richie thinks his campaign will be ruined if the picture gets out.

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.

Joanie starts smoking to fit in with a club she's recently joined. Howard initially forbids her to smoke but, eventually, allows her to make her own decision. He is disappointed to find her smoking again later that night.

Richie temporarily takes over a local newspaper's advice column but only tells Fonzie about it. Potsie and Ralph, in an attempt to solve their continuous bickering problem, write in to Richie's column. Richie, via the column, suggests they literally draw a line down the center of the room and for Ralph to stay on one side and Potsie on the other.

Leather and the band audition for a television music show and are turned down. Leather's song, however, is stolen and recorded by another band.

It's their 23rd anniversary, and Howard and Marion are angry at each other over a rate-your-mate test they took in a magazine. Richie, Fonzie, and Joanie have arranged for them to take a second honeymoon. Marion angers Howard even further when she wants everything to be exactly the same as it was on their first honeymoon.

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 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.

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.

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

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.

The Cunninghams and Fonzie go on vacation to Lake Pinewood. Richie and Fonzie get together with two lonely milkmaids, and, when their father catches them in his barn with his daughters, he says they will have to get married.

The crossover continues on Laverne & Shirley S05E01 Shotgun Wedding (II).

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.

Marion forgets to set the parking brake in her car, and it rolls down a hill and through the wall at Arnold's. To show Howard that she is a responsible person, she goes to court to take full responsibility for her actions. She phones Fonzie at Arnold's and says she is in jail.

Wanting to have some money of his own, Richie gets a job loading papers for The Milwaukee Journal. A man named Frank, who works in the same department, doesn't like Richie right from the start.

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.

Marion is a star in a community theatre play, and her director/co-star begins to make unwelcome advances toward her.

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.

In a somewhat rebellious move after Howard and Marion won't let her go to Chicago for a concert, Joanie decides to become a model. However, she is unaware that the studio shoots nudes.

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.

Unknowingly, Richie, Potsie, and Ralph are invited to a party hosted by the She Devils gang in which the Devil who brings in the biggest nerd wins a $100 prize. After Richie discovers the purpose of the party, he and the guys head for the door. However, several Devils come in carrying a sack containing a guy who jilted the sister of the gang's leader. The guy is Chachi.

A wheelchair-bound man, injured by a drunk driver, answers Fonzie's want advertisement for Bronko's Auto Repairing and is hired. He drives Fonzie crazy and is rude to everyone he comes into contact with.

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.

After initially being reluctant to go through with it, Howard agrees to have a second wedding where he and Marion will renew their vows.

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.

Joanie is unsure about whether or not she wants to go with her boyfriend to The Alamo, a special section of Inspiration Point.

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.

After hearing from a former employee about the wonders of television advertising, Howard thinks it will help his hardware store. He hires someone to handle the advertisement who guarantees a 40 percent increase in business in exchange for complete control of the project.

Fonzie meets a deaf woman at the electric company office where he is attempting to straighten out a billing error for Howard. He gives Richie the indication that this girl may be the one.

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.

Richie goes to a Leopard Lodge convention with Howard in Chicago despite wanting to go to a Bears game with Potsie and Ralph.

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.

Howard feels that Joanie has been seeing too much of Chachi lately, so he offers her her own phone if she agrees not to see Chachi for two weeks. Joanie and Chachi sneak off to a concert in Chicago and have to stay in the same room, the honeymoon suite, at a motel because it is the only one left.

Fonzie is given the job as teacher of auto mechanics at Jefferson High School. He gets frustrated when his students don't pick everything up as quickly as he did when he was a kid.

Lori Beth receives a letter from Richie in which he proposes marriage. She has to go to Greenland for the wedding, but doesn't have the money to make the trip. Marion goes on a show called Dreams Can Come True in which three women tell their stories of tragedy. The winner has their dream come true, and Marion hopes she can win the money for Lori Beth.

Roger Phillips, Marion's nephew, comes to Milwaukee to become an English teacher and the basketball coach at Jefferson High School. He gets off on the wrong foot with Fonzie after he inadvertently empties his locker, insults him, and crashes into his motorcycle.

Despite Howard's objection, Joanie decides to buy a car because she and Chachi are tired of having to double-date, and Chachi cannot afford to buy his own.

On Christmas Eve, a terrible blizzard traps Howard and Joanie at the hardware store and Fonzie, Potsie, Chachi, Jenny, and Roger at Arnold's.

Fonzie wants to win the ""Teacher of the Year"" award to spite a fellow teacher.

Al announces that he's given up his search for Rosa Coletti, a woman with whom he was involved 20 years ago. However, he receives a letter from his mother saying that she's found Rosa and that she'll be coming to Arnold's next Saturday night.

Chachi tells Fonzie that his motorcycle has seen better days, but Fonzie refuses to junk it. He finally decides to get a new bike after crashing his old one but has to save his money a little longer. Joanie suggests to Chachi that they all pool their money with Fonzie's to surprise him with a new bike for his birthday.

Meanwhile, Arnold's has a new cook, but Fonzie's sixth sense tells him that something isn't right about him.

Fonzie comes down with a terrible toothache but refuses to see a dentist. Meanwhile, Howard is upset about Joanie's choice of attire for a wedding she's attending.

After a day of everyone asking favors of him, Fonzie has a nightmare about a mad scientist draining his cool.

Chachi becomes jealous after seeing a kissing scene involving Joanie and another actor during rehearsals for a school musical. Fonzie also considers quitting as director.

After Jenny's date dumps her before a big masquerade ball, Fonzie agrees to take her. They dress as a bride and groom and, as part of a talent portion of the party, have a make-believe wedding. However, since the captain of the boat performed the ceremony, the marriage may be legal. Roger believes they can get the marriage annulled if Jenny agrees to it, but, instead, she comes into Fonzie's apartment carrying suitcases.

Because she's never been to his house or met his mother, Joanie thinks that Chachi is ashamed of her. Fonzie invites the Cunninghams over to the Arcola's for dinner on Chachi's behalf. Fonzie surmizes that Chachi is embarrassed of his mother and uncle and of the fact that they're poor.

Fonzie is shot, presumably by Potsie, during a weekend trip to Potsie's uncle's cabin. Fonzie, Chachi, and Roger each describe their versions of what happened.

Potsie falls behind on his rent and is forced to move back in with his parents. However, after learning that Lori Beth's roommate likes men who live alone, Potsie has to stay in his apartment. He tells Fonzie that he can get quick cash but won't say how.

Chachi discovers a great basketball player who recently transferred to Jefferson High. However, he initially holds back when performing for Roger and, suddenly, changes his mind about being on the team when his father orders him home in the middle of a practice.

Desperate to get Chachi on the school's basketball team, a scout for Eastern Florida University offers him a scholarship and several other superfluous perks - including a cheerleading scholarship for Joanie. Fonzie is extrememly excited for Chachi, but Howard and Roger think the scholarships are too good to be true.

Richie and Lori Beth want to get married, but Lori Beth cannot go to Richie's base until they're already married. Roger suggests that they have a ceremony in which a proxy stands in for Richie because he can't be there in person. Fonzie volunteers to be the proxy.

Marion hurts her back before a big bowling game, but Howard finds a new partner in the lovely Fern Flagg. He had told Marion that she was an old spinster woman. Marion and Fern meet each other, and Marion is furious at Howard for lying to her about Fern's appearance.

Meanwhile, Jenny receives a product in the mail called the Ajax Bust Builder.

Fonzie takes his auto shop class to an out-of-town junkyard and meets a waitress at a diner whom he thinks is his mother.

Chachi struggles with an essay on the causes, hardships, and influences of immigration until Fonzie tells him several stories in a series of musical vignettes.

Joanie prepares some home movies to send to Richie. She mentions that she and Chachi have had their problems over the summer. In the movies, Lori Beth announces that she's going to have a baby, Al's mother visits for the entire summer, Howard is consumed with Braves baseball, and Fonzie and his former gang, the Falcons, get ready to settle old scores with a rival gang.

Fonzie's Falcons and their rival gang, the War Mongers, attempt to settle their old scores with a game of softball. The outcome is disputed, so they end up rumbling. Marion confronts Howard about his anxiety over becomming a grandfather, and Chachi continues to try to make up with Joanie.

Al tells Chachi about his dull, mundane life, so Chachi suggests that he ask his mother out. He shows up at Arnold's the next night disheveled and tells Chachi that his mother is already seeing someone. Chachi is shocked and vows to get to the bottom of it.

Chachi tells Joanie that he wants to date other girls and soon realizes that he's made a big mistake. He tries to straighten things out with her, but she goes out on a dinner date with another guy.

Lori Beth asks Fonzie to be her coach in a new birthing method called natural childbirth. He's fully on board until he learns he has to be in the delivery room with her.

Fonzie and Roger are dating the same girl but don't know it. Meanwhile, Joanie is upset that she and Chachi don't go out as much as they used to, and Howard and Marion argue about love letters he wrote to her.

Fonzie substitutes for Roger in his hygiene class, and, as a prank, the students hide the lesson plan and tell Fonzie they're learning about sex. Roger is later informed that he will be fired as a teacher as a result of Fonzie's teachings.

In order for Jenny to join the Rondells, a popular club, she has to steal a statue from Pfister Park and bring it to their clubhouse. Joanie is there to help, and they are both caught by Officer Kirk.

Fonzie is rejected several times by a new teacher at Jefferson High. After he kisses her in a final attempt to win her over, she screams and runs out of the house. Roger talks to her and finds out that she is a nun.

Joanie takes care of Richie Jr. for the weekend while Lori Beth visits Richie in Greenland, Howard and Marion go to New York on business, and Fonzie is away at a teacher's convention. Jenny invites several people over for a party against Joanie's wishes. On top of that, the boiler breaks down.

Dateless for an upcomming concert, Jenny is set up with Eugene Belvin by Joanie and Chachi. They, along with Fonzie, try to make Eugene appeal to Jenny by making him seem more manly.

Joanie has to decide where she wants to go to college: UCLA or the local UWM. She wants to go to UCLA, but Howard very much wants her to go to UWM, even offering her a new car as incentive. After much deliberation, Joanie announces that she's not going to college at all.

After seeing reports on television, Al feels compelled to visit the South to take part in an upcoming freedom march. Fonzie, concerned for his friend's well-being, decides to go with him.

Meanwhile, the Cunningham's television set is broken, and, while it is away being repaired, Howard suffers withdrawal symptoms.

Fonzie and Chachi's grandmother becomes very upset at them for suggesting that she move into a retirement home after they observe some signs of senility.

Al is chosen to head the Leopard Lodge's annual Poobah Doo Dah when he says he can get his distant cousin, Frankie Avalon, to perform. However, as Al is auditioning other acts to round out the show, Avalon calls to say he can't make it.

Initially furious that the music teacher, Cynthia Brannigan, hires the Boston Conservatory Orchestra for the annual Jefferson High concert, Fonzie changes his tune when he realizes that famous composer Tchaikovsky was very much like himself. Fonzie decides to get the entire Jefferson High gang to like classical music.

The gang tries to get the Lone Ranger, Fonzie's idol, to appear at his birthday party. Meanwhile, Fonzie thinks about becomming a one-woman man.

Roger seeks Fonzie's advice regarding his love life, Joanie and Chachi write a song for their band, Potsie tries to get into the Leopard Lodge, and Marion is the lead in her theater group's musical.

Roger's family sends his brother, Flip, to Milwaukee with the hope that Roger can straighten him out. Roger entrusts Flip to pick up Marion after he attends a Fats Domino concert, but he skips the concert to hang out with some hoodlums and leaves Marion to walk home in the cold.

After a day of fishing with Howard, Chachi gets to thinking about his future when he realizes that being a success in the music business is a long shot. He leaves the house determined not to come back until he finds a career that would be sufficient to support Joanie should they get married one day. He tries his luck at being a salesman.

Jealous of Joanie's friendship with a new girl in school, Mikki, Jenny spreads a false rumor that Mikki is pregnant. As the rumor circulates, Fonzie is added to it as being the child's father.

After a month of dating, Al wants to ask Chachi's mom to marry him. Being an old fashioned guy, Al asks Chachi's permission. He grants it but doesn't think she'll want to marry Al.

Celebrate the 20th Anniversary of Happy Days, one of America's favorite TV shows, with members of the original cast. Includes personal recollections and film clips. Stars featured: Ron Howard, Henry Winkler, Tom Bosley, Marion Ross, Anson Williams, Danny Most, Noriuki "Pat" Morita and Scott Baio.

In this two-hour reunion special, various clips are shown from past episodes, and cast members recall memories from their time on the show. Also included are highlights of a reunion softball game played by members of the cast as well as a cast reunion at Arnold's Drive-In.