Welcome Back, Kotter

The Sweathogs go into verbal battle against the debating class after their teacher insults the Sweathogs, and Gabe challenges them to a debate.

Mr. Kotter returns to his alma mater, James Buchanan High School, to teach the Sweathogs, a group of remedial students.

When Rosalie "Hotsie" Totzi confesses to Gabe that she's pregnant, Gabe is determined to find out who the father is.

Barbarino decides to run for student body president, but his campaign techniques create more problems than anyone bargained for.

It is a strange day when Vice Principal Woodman becomes friendly with the Sweathogs and Mr. Kotter becomes the school disciplinarian.

Washington and Vernajean decide to get married, so Gabe makes up a class about marriage and divorce, hoping to convince them to wait.

Epstein loses a fight and he can't put up with the harassment the other Sweathogs give him, so he disappears.

Gabe refuses to obey Mr. Woodman, so he is suspended until he can be brought before the Teacher's Review Board on formal charges.

Gabe's old friend, Lyle Flanagan, comes for a visit, which reminds Gabe of his all too humble position as a teacher.

After receiving his failing midterm report card, Barbarino asks brainy Judy to tutor him.

A new student arrives at Buchanan and all the Sweathogs want her attention; however, she only has eyes for Gabe.

Horshack is promoted to a higher class and everyone, including Horshack, wants him to stay with Gabe and the Sweathogs.

Gabe has trouble adjusting to being alone when he learns that Julie is going skiing for the weekend with a girlfriend.

The Sweathogs are against serving liver in the cafeteria, so Gabe suggests they have a 'sit-in' to protest.

Trouble on the Kotter homefront and between the Sweathogs when they hold a new election and Barbarino is overthrown. First of a two-part episode.

Julie has moved into a hotel while Barbarino is living with Gabe and Washington is making life miserable for the other Sweathogs. Second of a two-part episode.

Epstein gives his entire menagerie of pets to Gabe after Miss Helms, the career guidance counselor, tells Epstein he isn't to become a veterinarian.

When the flu epidemic sweeps through Buchanan, the 'enriched' students are put with the Sweathogs, creating a learning problem for Gabe's Sweathogs.

Gabe and the Sweathogs are in dire need of raising some money for their class, so they decide a telethon is the answer to their problem.