Welcome Back, Kotter

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 was 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 $1,200 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. John Astin gust stars.

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.