S1 E1 • Welcome Back (pilot)

Gabe Kotter wakes up in the morning ready to start his first day as a teacher at James Buchanan high school. When he arrives, Mr. Woodman assigns Kotter to the remedial class, the class he was in years before. Gabe walks into the room and ""teaches"" class. He's introduced to four main students. Vinnie Barbarino, Juan Epstein, Freddie Washington and Arnold Horshack. The class turns into a disaster and Kotter quits. When Kotter gets home, he and his wife, Julie, get a visit from the Sweathogs. In the end, Kotter returns as teacher.

Première diffusion : 23 septembre 1975

S1 E2 • The Great Debate

The sweathogs out debate a smarter debate class.

Première diffusion : 9 septembre 1975

S1 E3 • Basket Case

Freddy is convinced he will become a basketball star, so he decides to draw pictures on Gabe's test instead of trying to pass it. Gabe refuses to pass him even though he is the school's basketball star. When Gabe offers Freddy a make-up exam, Freddy still refuses. Gabe then offers to play a one-on-one game against Freddy to convince Freddy he's not as good as he thinks. If Gabe wins Freddy agrees to take the test, and if Freddy wins Gabe agrees to pass Freddy. Freddy naturally wins, but Gabe's score of 16 to 21 makes Freddy realize that he'd better complete school rather than rely on becoming a big basketball star.

Première diffusion : 16 septembre 1975

S1 E4 • Whodunit?

Tired of her reputation as easy, Rosalie Totsy tells the Sweathogs that she's pregnant -- and that one of them is the father -- in an effort to make the boys admit that the tales they tell about their ""fun dates"" with her aren't true.

Première diffusion : 30 septembre 1975

S1 E5 • The Election

Barbarino is running for Student Body President but his campain turns into disaster.

Première diffusion : 7 octobre 1975

S1 E6 • No More Mister Nice Guy

After returning to his roots by taking over the Sweathogs' history class for a day, Mr. Woodman turns into a nice guy; and Kotter turns into the new Mr. Woodman.

Première diffusion : 14 octobre 1975

S1 E7 • Classroom Marriage

With Vernajean's family moving, she and Freddie decide that they must get married in order to stay together. Their classmates act out married life to discourage the young couple.

Première diffusion : 21 octobre 1975

S1 E8 • One of Our Sweathogs Is Missing

After losing a fight with Todd Ludlow, Juan is made fun of by his fellow Sweathogs. His feelings and his pride hurt, he runs away -- to the Kotters' bathroom.

Première diffusion : 28 octobre 1975

S1 E9 • Mr. Kotter, Teacher

Gabe's teaching theories in question, he is temporarily suspended. The Sweathogs, liable to lose their teacher, come to his defense.

Première diffusion : 4 novembre 1975

S1 E10 • The Reunion

Gabe is less than thrilled when an old too-perfect classmate, and his too-perfect wife, decide to pay him a visit.

Première diffusion : 18 novembre 1975

S1 E11 • Barbarino's Girl

In order to bring up Vinnie's grades, Judy Borden, highly unpopular with the Sweathogs, is called in to tutor him. But when the two start liking one another, problems arise.

Première diffusion : 25 novembre 1975

S1 E12 • California Dreamin'

The sweathogs go bananas over Bambi, a pretty blonde girl from California. We get some very funny scenes of the guys in various costumes: Epstein as a guru, Freddy in a colorful shirt, Horshack as a movie producer, and Vinnie as a surfer. When Mr. Kotter gets fed-up with them disrupting the class, it's revealed that Bambi was just pretending to be from California in order to get attention.

Première diffusion : 2 décembre 1975

S1 E13 • Arrividerci, Arnold

Arnold is promoted to a regular class, but is less than happy about the forced transition.

Première diffusion : 16 décembre 1975

S1 E14 • The Longest Weekend

When Julie goes away on a ski trip with a friend, stories from the Sweathogs and Mr. Woodman lead Gabe to be worried about the possibility of Julie cheating on him while she is away.

Première diffusion : 6 janvier 1976

S1 E15 • The Sit-In

The Sweathogs, diverged from a food-fight, hold a sit-in to protest the school cafetieria's Wednesday liver.

Première diffusion : 13 janvier 1976

S1 E16 • Follow The Leader (Part 1)

The class votes to make Freddie the new leader of the Sweathogs, making Vinnie so upset that he quits school and stays with the Kotters. But Julie is growing tired of the Sweathogs taking all of Gabe's time.

Première diffusion : 20 janvier 1976

S1 E17 • Follow The Leader (Part 2)

The Sweathogs tire of Freddy as leader, and even Mr. Woodman admits that he misses Barbarino. Gabe makes peace with Julie and Vinnie, and all is returned to normal.

Première diffusion : 22 janvier 1976

S1 E18 • Dr. Epstein, I Presume

Juan, because of his love for animals, decides that he would like to be a veterinarian. A guidance couselor quickly thwarts his dream, until he performs an emergency operation on his pet hamster.

Première diffusion : 29 janvier 1976

S1 E19 • One Flu Over The Cuckoo's Nest

A flu epidemic hits Buchannan and everybody gets sick except for Kotter, Horshack and a few students in the other classes. In the end, the few healthy students team up with the remaining Sweathogs in the classroom.

Première diffusion : 5 février 1976

S1 E20 • The Telethon

Kotter and the ""Sweathogs"" raise a telethon to raise $700 for new supplies. If not the remiedial class will be cut.

Première diffusion : 12 février 1976

S1 E21 • Kotter Makes Good

Gabe is forced to take final exams when it's revealed by Mr. Woodman that he wasn't really qualified to graduate when he did.

Première diffusion : 19 février 1976

S1 E22 • Father Vinnie

Vinnie's grandmother's dying wish is for him to become a priest, and he takes the request seriously, until the strain of being holy becomes too much for him.

Première diffusion : 26 février 1976