Welcome Back, Kotter

The Welcome Back, Kotter flashback episode. The Sweathogs throw Kotter a surprise party before the start of the new semester. During the party, Kotter and the Sweathogs reflect back on all the good times they had over the first two seasons.

As the Kotters prepare for the birth of their baby, the Sweathogs discover that Barbarino got left back in the 10th grade.

Julie goes into labor and Gabe waits to hear what she has. After waiting impatiently, Gabe is surprised to learn he's the father of not one, but two baby girls.

Woodman subs for Kotter while he and Julie bring the babies home from the hospital. Then Julie's parents drop in from Nebraska for a visit, and Gabe has to sleep on the fire escape.

Kotter buys Barbarino's share of the Sweathogs' lottery ticket, but Barbarino says he wants no part of it because they never win. When they do win the $1,000 semifinal prize, Barbarino and Kotter disagree on who should get the money.

Kotter refuses to help Barbarino study for his test that would promote him to the eleventh grade. So the Sweathogs make a deal with Kotter. If he helps Barbarino study, they will help Julie and the babies.

Horshack joins a religious cult and decides to drop out of school to go live with with the cult members. But before he leaves, the Sweathogs pull him into the school bathroom and try to deprogram him.

The Kotters are looking for a new apartment and having no luck. Juan has an answer to their problem. His Uncle owns a building in a good neighborhood at the right price. The gang helps the Kotters move in and everything seems to be going great...until Moe Epstein tells them that there are no babies allowed.

Woodman writes a novel set during the Civil War era that very closely parallels the Sweathogs, and the Sweathogs are not happy about it. So they write a novel of their own set in outer space and depicting Woodman as the villain.

The Sweathogs' singing group wins the city-wide talent contest semi-finals. Then Barbarino becomes infatuated with one of their finals competitors. When they start dating, it jeopardizes the Sweathogs' chances of winning.

Barbarino makes up with the Sweathogs and gets the band back together. But when the judges found out Barbarino quit the band, they disqualified them from the contest.

When Woodman's contract for renewal is up, Kotter decides he wants to apply for vice principal. Then he has a dream that he is the king of Buchanan High School and the very old Sweathogs want to oust him from power.

Washington scores a 90 on his literature exam and Woodman accuses him of cheating. So to prove his innocence, Washington agrees to to take a make-up test.

Epstein paints a mural of a nude woman on the wall of the school, using the image of Julie Kotter as his inspiration.

A Welcome Back, Kotter flashback episode. The Sweathogs share Christmas memories as they help the Kotters trim their tree.

The Sweathogs host a radio station at school, but Horshack's ratings are so bad that he gets canceled. In his final broadcast, he becomes a radical radio broadcaster causing his ratings to soar.

Woodman brings a computer into the Sweathogs' class to teach their lessons and the class grades increase dramatically. But now, Kotter is jealous because the computer is making him feel obsolete.

The new girl in Kotter's class declares that she is going to become a Sweathog, but the other Sweathogs strongly oppose her joining their group. So she pulls a stunt to prove her worth which backfires getting the Sweathogs nearly expelled.

The Sweathogs purchase term papers from a couple of local hoods. Kotter recognizes Epstein's paper as one he himself had handed in years ago.

The Sweathogs convince Gabe to pursue his dream as a stand-up comic. His imitations of them are a success, and he gives up teaching for a job at a nightclub.

Kotter is a success at being a comedian but it is putting a strain on his marriage and his relationship with the Sweathogs. Second of a two-part episode.

Freddie is prescribed painkillers to treat a nagging injury he suffered playing basketball ... and soon becomes hooked. His friends become concerned about Freddie's increasingly scary behavior, but "Boom-Boom" tries to brush them off - after all, it's just "vitamins." What becomes even more scary is that Horshack blindly believes his friend's explanation, even though it becomes clear that Freddie needs help before something goes horribly wrong.

Vinnie blames himself for his shop teacher's fatal heart attack, which came on while Mr. Kripps was yelling at him.

Arnold is depressed because no girl will go out with him. After Mrs. Kotter consoles him and helps him find his confidence, he falls in love with her.

Gabe's job is at risk after he is accused of kissing a girl who fainted, though he actually performed mouth-to-mouth resuscitation.

The Sweathogs sneak out to a strip club and recognize one of the dancers as their former classmate Hotsy Totsy. Shortly after, the Sweathogs, Kotters, and Woodman step in and try to find her a more respectable job.

Carvelli goes to Buchannan High as part of an exchange program and tells the students about his encounter with aliens. Woodman, convinced his story is true, plans to go on the spaceship when it lands in the schoolyard.