November 25, 1978 • 30m
Gabe announces that he is now the vice-principal and Mr. Woodman is the principal. The Sweathogs are pleased, until Gabe gets str...Read more
September 18, 1978 • 30m
With Barbarino now an ordlery at a hospital, the Sweathogs try to get jobs there, too. Meanwhile, Kotter tries to get the gang to return to school.
September 25, 1978 • 30m
Episode 3 of Season 4 premiered on September 25, 1978
September 11, 1978 • 30m
Vinnie throws the Sweathogs out of his new apartment.
October 2, 1978 • 30m
Horshack saves a lonely, overlooked girl named Mary Johnson from commiting suicide by jumping off the ledge of the school.
September 11, 1978 • 30m
The Sweathogs remember how they tried to buy a used car from Vinnie's uncle.
October 21, 1978 • 30m
When Mr. Woodman comes to Vinnie's hospital for an operation, Vinnie loses him and he and the other Sweathogs try to find him.
October 28, 1978 • 30m
The gang is liable to get in trouble when the x-rated film Carvelli brought into school is accidentally mixed up with a film on sexual education.
November 4, 1978 • 30m
Vinnie becomes depressed when it seems that he has lost his way with women.
November 11, 1978 • 30m
A younger student begins to imitate Freddie, not much to Freddie's liking.
October 9, 1978 • 30m
After Horshack refuses to disect a frog in class, his grade is in jeopardy.
December 2, 1978 • 30m
The Sweathogs opt to change Mr. Woodman's tired old school song.
December 16, 1978 • 30m
Vinnie is saddened when his new coat is stolen.
January 13, 1979 • 30m
Juan asks Vinnie to marry his immigrant cousin.
February 3, 1979 • 30m
Vinnie is forced to deliver a baby in an elevator.
February 10, 1979 • 30m
Mr. Woodman's niece Kelly is babysitting for the Kotters when Juan drops by the apartment. The two abruptly fall in love and decid...Read more
February 24, 1979 • 30m
To get up his nerve with Mary, Carvelli offers Arnold liquor. He doesn't like the idea at first, but as time goes on, he becomes a...Read more
March 3, 1979 • 30m
Convinced that the school newspaper is too dull, Juan sets out to turn it into a tabloid, bringing down his friends' names in the process.
March 17, 1979 • 30m
Freddie and Juan plan to do an act together for the upcoming talent contest, while Carvelli has some bribed judges up his sleeves....Read more
May 25, 1979 • 30m
Arnold's relationship with Mary gets serious. Then he finds out he has to move and leave the school. Upset, Arnold decides to prop...Read more
May 25, 1979 • 30m
Arnold gets upset when the other Sweathogs tease him about not being able to provide for Mary, and he vanishes. Mary finds him and...Read more
June 1, 1979 • 30m
Beau plays a number or pranks on Mr. Woodman.
June 8, 1979 • 30m
While Horshack adjusts the married life, Epstein sets up an interview for a job. Washington gets the job before Epstein, unaware t...Read more