A too-close shave while driving in a stock car race causes a shaken Fonzie to question his mortality, and soon leads him to Al Delvecchio's twin brother, Father Anthony, for some answers.

Novice bookmaker Ralph Malph loses his shirt on a football game and must face his father to avoid the fists of a street tough named Bruiser.

After Ralph and Potsie accidentally let Fonzie's new dog, Spunky, escape out of an open gate, the little boy who finds the pup gets blamed for stealing her.

Howard Cunningham finds that it takes more than just a good idea to make a fortune from an invention when he joins forces with the Fonz to try to develop a prototype trash compactor.

Big brother Richie rides to the rescue when little sister Joanie is asked for more than she's ready to give to become a gang-leader's girlfriend.

A short-tempered sergeant loses his tenuous grasp on discipline when the Fonz reports to the army recruitment center soon after draftees Richie, Ralph and Potsie check in for physicals.

Fonzie's friends convince their principal to let the night school graduate participate in Jefferson High School's commencement ceremony, but then must find a way to help the Fonz make his valedictory speech.

Marion Cunningham is forced to reveal Fonzie's secret plan to graduate with Richie's senior class just before Principal Conners' startling announcement at the high school prom that puts the graduation ceremony itself in jeopardy.

The Cunninghams and their friends reminisce through special moments and enjoy a few surprises on the night of Howard and Marion's surprise 20th wedding anniversary celebration.

Tired of being treated like a servant in her own home and searching for self-worth, frustrated housewife, Marion Cunningham, gets a job at Al's Drive-In. But Al's teen customers start leaving when Marion's waitressing takes a back seat to motherly meddling, and an emergency meeting is called in the Fonz's office to decide her fate.

Richie Cunningham basks in glory after winning his high school basketball game with a lucky shot in the final seconds of a nail-biter until a rival team and their femme fatale kidnap him to keep him off the court.

Fonzie enters his shy, visiting cousin, Angie, into an Al's Drive-In sponsored publicity event for the "Magilla Book of Records" to help the timid teenager uncover his famous Fonzarelli self-confidence.

Only the Fonz stays calm when Richie and the gang get locked in the hardware store's basement vault where they have gathered to store their school's time capsule.

The Fonz accepts a sophisticated, older woman's invitation to play tennis at her country club, but later discovers that the game his pretty new lady is playing may not be confined to just the tennis court.

Richie pretends to be a hardware magnate looking for an advertising icon to try to meet the woman of his dreams, the beautiful poster-girl for Wisconsin Cola.

Officer Kirk - the new acting sheriff - begins a harassment campaign against Fonzie, and won't relent until he leaves Milwaukee.

Ace reporter Richie 'Scoop' Cunningham's determination to print the truth, no matter what, uncovers a high school cafeteria meatloaf scandal but later jeopardizes his friendship with Fonzie.

A motorcycle mishap forces the Fonz to push his broken bike for twelve miles just before he partners with Joanie Cunningham for a grueling dance marathon.

Richie's secret scheme to convince sophisticated Cindy Kendall that he has his own apartment by exchanging bedrooms with Fonzie is foiled when her furious father comes looking for her in the middle of the night.

Fonzie is grateful when Potsie Weber pulls him to safety from a burning garage but soon regrets giving the Good Samaritan his choice of reward.

Richie's plans to party while his parents are out of town are ruined when Fonzie invites the very pregnant wife of one of his oldest friends to stay in Joanie's room and orders Richie to keep an eye on her until her husband returns from a road trip.

A psychologist's unusual recommendation to help the Fonz control his compulsion to street-fight turns out to be strictly for the birds.

Fonzie & Pinky have both decided to get married but a series of events may prevent them from becoming Mr. & Mrs. Fonzerelli.

After being injured in the head at the derby from "The Millachi Crunch". Pinky is hospitalized. Fonzie gets revenge with the brothers and wins the derby, he also realizes that he wants to be more than just Pinky's boyfriend.

Fonzie's former girlfriend and fellow motorcyclist, Pinky Tuscadero comes back into his life, making him realize he still loves her. She wants to be in a demolition derby with him but Fonzie states that it's no place for a woman.