S4 E1 • Fonzie est amoureux - 1re partie

Fonzie reunites with an old flame, Pinky Tuscadero, who is in town to perform motorcycle stunts at a demolition derby.

Première diffusion : 21 septembre 1976

S4 E2 • Fonzie est amoureux - 2e partie

Fonzie assesses the damage to Pinky's car, and Richie asks Howard to delay the start of the demolition derby.

Première diffusion : 21 septembre 1976

S4 E3 • Fonzie est amoureux - 3e partie

Though he's up against the two Mallachi brothers by himself, Fonzie is able to win the demolition derby. While waiting at the hospital for Pinky to be released, Fonzie tells Richie that he loves her and wants to marry her.

Première diffusion : 28 septembre 1976

S4 E4 • Fonzie chez le psychiatre

After having been in several fights recently, on the advice of the Cunninghams, Fonzie agrees to see a psychologist.

Première diffusion : 5 octobre 1976

S4 E5 • Pas de panique, restons cool !

Fonzie's friend's pregnant wife stays with Richie at the Cunningham house while the rest of the family is away on vacation.

Première diffusion : 19 octobre 1976

S4 E6 • Une dette envers Potsie

Potsie saves Fonzie from a fire at the garage. Out of gratitude, Fonzie grants Potsie any one favor, and Potsie wants to pal around with the Fonz.

Première diffusion : 26 octobre 1976

S4 E7 • Richie s'émancipe

To allow Richie to have a night alone with his girl, Fonzie allows him to use his apartment and claim it as his own. Fonzie needs some rest, so he sleeps in Richie's bed without Howard, Marion, and Joanie knowing.

Première diffusion : 9 novembre 1976

S4 E8 • Marathon de danse

Joanie enlists Fonzie to be her partner for a marathon dance at Arnold's. She desperately wants to outlast cheerleading captain Jill Higgins who had cut Joanie from the squad earlier. Prior to the dance, however, Fonzie's motorcycle breaks down, and he is forced to push it for 12 miles.

Première diffusion : 16 novembre 1976

S4 E9 • Richie grand reporter

Richie, wanting to become a tough reporter, sets out to investigate the food at Jefferson High. During his investigation, he discovers that Fonzie is afraid of liver.

Première diffusion : 23 novembre 1976

S4 E10 • Fonzie et le shérif

Kirk, the new acting sheriff, tries to exert his power by forcing Fonzie to leave town.

Première diffusion : 30 novembre 1976

S4 E11 • Nouvelle conquête

Richie falls in love with a Wisconsin Cola poster girl and poses as a successful hardware businessman in order to meet her.

Première diffusion : 7 décembre 1976

S4 E12 • Le rendez-vous de Fonzie

Fonzie meets an older woman whose car he fixed and agrees to meet her the next day for doubles tennis at a country club.

Première diffusion : 4 janvier 1977

S4 E13 • Nuit d'enfer dans une remise

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.

Première diffusion : 11 janvier 1977

S4 E14 • La soirée des records

To get some publicity, Al tries to have someone break a world record at Arnold's. Meanwhile, Fonzie's cousin, Angie, is in town for a visit and proves to be extremely clumsy.

Première diffusion : 18 janvier 1977

S4 E15 • La gloire est éphémère

Richie makes a lucky shot to win a basketball game and suddenly becomes a big hero.

Première diffusion : 25 janvier 1977

S4 E16 • De l'huile sur le feu

Not having enough to do now that Richie and Joanie are growing up and because she feels as though she's a slave to Howard, Marion gets a job waitressing at Arnold's.

Première diffusion : 1 février 1977

S4 E17 • L'anniversaire de mariage

The guys discover that Fonzie has been going to night school so that he can graduate with them. Marion gave them this information, and she becomes worried that Fonzie will be angry with her for telling.

Première diffusion : 8 février 1977

S4 E18 • Remise des prix - 1re partie

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.

Première diffusion : 15 février 1977

S4 E19 • Remise des prix - 2e partie

Richie, Fonzie, Potsie, and Ralph receive notices from the army to report for physicals.

Première diffusion : 22 février 1977

S4 E20 • Le jour J est arrivé

Thinking her life is dull and that she's always treated like a little kid, Joanie wants to join the Red Devils' gang.

Première diffusion : 1 mars 1977

S4 E21 • Les mauvais garçons

Howard comes up with the idea for a trash compactor, and Fonzie becomes his partner to help him build it. They become very excited about the success they could achieve and present ""The Gulper"" to a corporation for consideration.

Première diffusion : 8 mars 1977

S4 E22 • Howard inventeur

Fonzie gets a dog, and she escapes when Ralph and Potsie accidentally leave the gate open. Ralph tells Fonzie that the dog, Spunky, was stolen.

Première diffusion : 15 mars 1977

S4 E23 • Le chien de Fonzie

Ralph takes bets on football games at 10:1 odds. The Green Bay Packers pull out an unexpected win, and Ralph owes a lot of people a lot of money.

Première diffusion : 22 mars 1977

S4 E24 • Ralphy a de sacrés ennuis

After crashing in a stock-car race, Fonzie begins to worry about what will happen when his number comes up. Al suggests Fonzie seek the guidance of his brother, Father Anthony Delvecchio.

Première diffusion : 29 mars 1977

S4 E25 • Le baptême de Fonzie

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

Première diffusion : 4 février 1977