Welcome Back, Kotter
23 episodes
Career Day
On career day, an inventor who is treated poorly by the Sweathogs offers a well-paying job to Gabe.
Inherit The Halibut
Freddie, class treasurer, is accused of stealing funds, and an impromptue trial is held in the classroom.
Sweatside Story
The Sweathogs form a gang, but won't let Arnold in until the night of their first rumble, and Arnold, against the idea of being killed, brings along Gabe and Mr. Woodman in order to prevent the fight.
The Fight
Sparked by the fact that Vinnie neglected to do Freddie's homework, the Sweathogs spend the better part of class fighting with one another.
The Museum
Mr. Kotter takes the sweathogs on a field trip to a museum. Mrs. Kotter and Mr. Woodman are along as chaperones. They meet the unusual museum curator Mr.Gore (John Astin) who seems odd and superstitious. In the Egyptian display, he warns them of the mummy coming back to life if they joke and kid around. Naturally, the door shuts itself and everyone is trapped. They humorously begin to panic and make attempts to get out. Epstein manages to get the door open.
Gabe Under Pressure
Gabe is afraid to get a physical when the free clinic comes to Buchanan High.
Sweathog, Nebraska Style
Julie's visiting sister, recently at odds with her long-time boyfriend, falls for Juan.
Sadie Hawkins Day
A girl wants to ask Vinnie to the Sadie Hawkins Day dance, but his insensitivity leads her to ask Arnold in retaliation, leaving Vinnie with no date at all.
Hello, Ms. Chips
The new student teacher discovers that all her training to work with remedial children hasn't prepared her for dealing with the Sweathogs.
Horshack vs. Carvelli
When the opportunity to fight Carvelli in a boxing match arises, Arnold wants to be the one to do it; and when the other Sweathogs put down his manhood, he is even more determined to prove himself by getting in the ring.
Sweathog Clinic for the Cure of Smoking
Epstein is caught smoking cigarettes. Gabe and the sweathogs try to get him to stop.
Hark, the Sweatkings
At Christmas time, the Sweathogs are all too eager to tease resident bum Angie. But after Angie tells his life story to the class, they have a change of heart, and decide to help him get back up on his feet.
A Love Story
When Juan's sister Carmen joines the Sweathogs, she catches the eye of Arnold, but Carmen is only interested in Vinnie. Juan, meanwhile, is displeased with the entire situation, and is ready to kill anybody who dares to lay a hand on his baby sister.
Caruso's Way
Vinnie's goofing off in gym gets him in trouble with the teacher, Mr. Caruso, who's reprimending after class gets out of hand when he hits Vinnie in front of the girls' locker room.
Sweatgate Scandal
Tired of the way the school newspaper is always putting them down, the Sweathogs join the staff in order to redeem themselves; and the crack investigative team of ""Vinstein"" (Vinnie and Juan) are hot on the trail of the culprit behind the recent break-in of Principal Lazarus's office.
Kotter and Son
Gabe's overly-critical father comes for a visit and, unconvinced that his son has chosen a worthwhile career, goes with Gabe to school in order to watch him in action with his Sweathogs.
Chicken a la Kotter
Gabe, in need of money for a root canal, takes a second job as a restaurant mascot.
Has Anyone Seen Arnold? (1)
For the school drama festival, Gabe is going to direct a scene from Cyrano de Bergerac. Arnold is set to play the lead, but recieves only heckling and ridicule from his fellow Sweathogs; and when Arnold turns up missing, Vinnie is forced to take his place on stage.
There Goes Number 5 (2)
When Arnold finally shows back up at school, it's discovered that his absence was due to the recent death of his fifth father. A feeling of responsibility within him, Arnold sets out to find a job to help support his siblings and his mother, who's only priority lies in finding a replacement father for her kids.
The Littlest Sweathog
Gabe and Julie find out that they are going to have a baby.
Radio Free Freddie
It seems that Freddie has a future in radio, but he may also risk losing his friends for fame.
I'm Having Their Baby
With Gabe away at a teacher's convention, the Sweathogs take it upon themselves to watch over the pregnant Julie...but the harder they try to make Julie comfortable, the more trouble they seem to cause.
I Wonder Who's Kissing Gabe Now?
The art teacher falls in love with Gabe.