Welcome Back, Kotter, The Complete Series

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

Gabe and Washington have a problem after Washington makes the varsity basketball team and he decides not to take his exams.

Mr. Kotter returns to his alma mater James Buchanan High School to teach the Sweathogs a group of remedial students. At first the students don't want to have anything to do with him until they find out he was once a Sweathog himself.

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 so he invites the Sweathogs over for a Friday night poker game.

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.

Julie has moved into a hotel while Barbarino is living with Gabe and Washington is making life miserable for the other Sweathogs.

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.

Finals week at Buchanan High finds Gabe studying with the Sweathogs -- to take his high school final exams too.

Barbarino honors his dying grandmother's request for him to become a priest.

It's Career Day at Buchanan High with a Japanese inventor visiting the class who offers Gabe a lucrative job in Chicago. Pat Morita guest stars.

When the Sweathogs' treasury money is stolen all fingers point to Washington who has just purchased a new bike.

Gabe tries to dissuade the Sweathogs from forming a gang to combat the New Utrecht High punks.

The Sweathogs stop speaking to each other after a series of inconsequential misunderstandings.

Gabe takes the Sweathogs on a field trip to a museum only to become locked in a tomb with a mummy for the night. John Astin guest stars.

The Sweathogs pressure Kotter to get a physical checkup that the school is offering for free.

Julie's sister makes a surprise visit from Nebraska and to Julie's dismay dates Epstein and becomes a Sweathog.

Barbarino the Sweathog heartthrob winds up the only one without a date for the school dance.

A new student teacher Ms. Wright finds teaching the Sweathogs much different than she learned in college.

Horshack is the only volunteer to fight Carvelli the toughest guy at New Utrecht High. Written by Garry Shandling.

Epstein is going to kick the smoking habit with the help of Gabe and the Sweathogs in their makeshift smoking clinic.

The Sweathogs befriend a homeless man who appears in the Buchanan schoolyard every year at Christmastime.

Epstein really loses his temper when his sister Cameron becomes a Sweathog and Barbarino asks her for a date.

Barbarino is humiliated when the school gym teacher hits him in front of the girl's gym class.

Barbarino and Epstein investigate to find out who has been substituting the cafeteria's liver with a meat substitute.

Gabe's father visits from Florida -- disrupting both Gabe's class and his life.

After having a $1200 root canal operation Kotter has to find a second job to pay the expense. His only option is to dress up like a chicken for a restaurant chain.

Arnold walks off as lead of the school play and the Sweathogs unable to locate him fear something is wrong.

Horshack's fifth stepfather dies and Arnold is going to take over as head of his house. Andrea McArdle star of Broadway's Annie guest stars.

Kotter and Julie discover that they are expecting.

When Freddie becomes an overnight success as a disc jockey at a local radio station neither Freddie nor the Sweathogs can deal with his new fame. George Carlin guest stars.

Gabe is out of town at a teacher's convention and the Sweathogs try to cheer Julie up from her prenatal depression.

Epstein spies a sexy art teacher kiss Kotter and assumes that Kotter is cheating on Julie.

Gabe and the Sweathogs are celebrating a new semester in school by reminiscing past events at a surprise party.

Nearly all the Sweathogs have graduated to the eleventh grade and Julie is about to graduate to motherhood.

Julie delivers twin baby girls while Kotter and the Sweathogs pace in the waiting room. Second of a three-part episode.

Julie and the twins come home from the hospital while her parents visit to see the new babies. Third of a three-part episode.

Whose million dollars is it when Gabe lends Barbarino a quarter for Barbarino's share in a lottery ticket?

The Sweathogs help Julie with the household chores so that Kotter can spend time tutoring Barbarino with his makeup exam.

Horshack needs the help of the Sweathogs after being sucked in by a religious cult.

The Kotters move out of their apartment into a bigger place. Their new landlord turns out to be Epstein's uncle.

The Sweathogs take a dim view of Mr. Woodman's novel -- an expose that takes a potshot at everybody.

The Sweathogs are in the finals of the state talent contest and Barbarino is in love. Can the two compete?

Barbarino must decide if he should compete against his newfound love Cassy. Can love conquer all? Even a talent contest?

When Woodman's contract expires Kotter considers running for Vice Principal. Kotter has a strange dream about what James Buchanan High will be like in the year 2050.

The Sweathogs defend Washington when Woodman points an accusing finger at him for cheating on an exam.

Rembrandt Picasso DaVinci and Epstein? Juan paints a nude mural for art class and uses Julie's face. The Sweathogs think it's art; Woodman thinks it's outrageous; and Gabe doesn't know what to think!

Merriment mistletoe and menorahs are the beginnings of a Merry Christmas celebration with the Sweathogs and Gabe and Julie Kotter.

The Sweathogs are in charge of the new school radio station and Horshack tries to boost low ratings by making outrageous accusations about the faculty.

The Sweathogs have found a new teacher; Mr. Woodman has a new toy; and Gabe becomes useless.

The Sweathogs deny membership to a new student because she is a girl.

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 audition at a local hot spot never expecting him to succeed but after Mr. Charnoff a slick agent gets through with him it's goodbye teacher hello show biz.

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.

Washington gets hooked on pills and Gabe and the Sweathogs try to help him.

When Mr. Kripps drops dead from a heart attack after yelling at Barbarino the sweathog turns himself in to the police for murder.

Horshack falls in love with Julie when she consoles him after he's rejected.

Is it a kiss or artificial respiration when sexy new student Laura faints and Gabe is witnessed in a very compromising position?

The Sweathogs go for some kicks and wind up with a few surprises when they discover Hotsy Totsy is now both an exotic dancer and a mother!

Carvelli has a close encounter with the planet Yorxyl and Woodman has been chosen to make the return trip with him.

A new year has started at Buchanan High. The Sweathogs decide to quit school and look for jobs after feeling deserted by Kotter who has been promoted to Vice Principal.

The Sweathogs discover that making it in the real world is harder than they thought.

A practical joke backfires when the new Sweathog Beauregard De Labarre sets Epstein up for a date with a married woman.

Vinnie gets his own apartment and the Sweathogs all learn a lesson in true friendship. John Travolta guest stars.

A new girl at Buchanan High contemplates suicide after having a hard time making friends.

The Sweathogs buy themselves a car and learn a lesson in honesty. John Travolta guest stars.

Hospital orderly Barbarino loses Woodman when he checks into the hospital for a routine procedure.

Carvelli and Murray bring an X-rated film to school and Epstein mixes it up with a sex education film Julie has arranged for the parents group.

Vinnie Barbarino is convinced that he has lost his magic with women. John Travolta guest stars.

One of Buchanan's straight-A students decides he wants to be a Sweathog and acts just like Freddie Boom-Boom Washington.

Opposition to the biology dissection assignment launches Arnold Horshack on a Save the Frog crusade.

Washington decides to liven up Woodman's dull school anthem. The new version is so good that a recording executive wants to make it a top-40 hit.

Vinnie (John Travolta) buys himself a new camel hair coat for Christmas but it's stolen before he has a chance to enjoy it. John Travolta guest stars.

Barbarino's wedding is coming up very soon and he's getting cold feet.

Barbarino and the rest of the Sweathogs must help deliver a baby when they get stuck on an elevator with a pregnant woman.

Epstein and Mr. Woodman's niece Kelly are planning to move in together.

Arnold wanting desperately to impress Mary turns to alcohol to give him confidence. Della Reese guest stars.

Epstein is assigned to the school paper and changes it from a dull lifeless weekly to a gossipy sensationalist money-maker -- almost losing his friends in the process.

The Sweathogs and Carvelli compete against each other in the school's annual talent show.

Arnold discovers he may be transferred out of Buchanan just as he and Mary Johnson discover there is more between them than just friendship.

The guys give Arnold a bachelor party that almost destroys his wedding plans.

Beau's sweet-talking to Mr. Woodman backfires when the guys accuse him of bad-mouthing them.

Epstein goes to interview for a new job and discovers that it's already been taken -- by Washington.