The graduating classmates say goodbye.
The class awaits naming of the valedictorian.
Billy discovers T.J.'s musical talent.
Darlene arranges a pricey dinner for the class.
Billy's fictional student wins a scholarship.
A team member's name is left off a trophy.
T.J. refuses Aristotle's invitation to the prom.
Billy (Billy Connolly) helps Viki (Lara Piper) find her birth mother, but their happiness is short-lived. With William G. Schilling.
Alex lies to his friends about him and Simone.
Arvid hides a chimpanzee in the classroom.
Billy and Bernadette take dancing lessons.
Jasper's parents (Denice Kumagai, Tzi Ma) hire Sarah as his sitter.
The class tour bus breaks down at a truck stop.
A fellow student (Jason Kristofer) threatens Arvid with a gun.
Robbery-victim Billy assigns a paper on gun control.
Billy fakes a heart attack to protest health insurance.
Eric becomes stranded in Paris; Billy tries to teach French.
Billy turns to the personal ads for a date.
To keep perfect attendance, Arvid infects all.
Arvid dates Viki and offers romantic advice.
Alan cheats to become class valedictorian.
The students wonder about Charlie's replacement.
Charlie and Eric vie for a night-school teacher.
Aristotle videotapes a mob-family wedding.
Aristotle tries to help Charlie's acting career.
Alan falls for a model.
Arvid promises three girls each will be dance queen.
Simone dates Dennis after he saves her life.
A new student (Jonathan Ke Quan) rejects the Academic Olympics.
The class worries about making commitments.
The students save the production of "Hair."
Obstacles face Charlie's production of "Hair."
Alan tries to make up for remarks to the class.
Charlie advises Alex not to mislead a girl.
An assignment makes Eric a fashion designer.
T.J. challenges Dennis to a fight.
The class learns a star athlete is illiterate.
T.J. makes a costly deal to get into the IHP.
Arvid has questions about his nasal surgery.
Charlie teaches the class about mourning.
Arvid replaces T.J. as Alex's dance partner.
Dennis takes credit for the shuttle experiment.
A science project may go on the space shuttle.
Dennis falls for a girl hiding her homelessness.
Viki loves Charlie, but Alan thinks it's him.
Alex is suspected of taking Darlene's ring.
Eric and Simone want to date others.
The new semester offers challenges and changes.
A bully's threat triggers a fantasy for Arvid.
Charlie must choose between students and union.
Dennis' antics demote him to a remedial class.
Dr. Samuels (William G. Schilling) objects when moonlighting Charlie (Howard Hesseman) does late-night TV commercials for appliances.
The chess-team coach's fervor distracts Arvid.
Charlie's date (Adrienne Barbeau) is Dr. Samuels' sister.
Charlie pulls the plug on Arvid's radio show.
Charlie makes friends with a new gym teacher.
Charlie makes unusual casting decisions.
Charlie directs the school play.
An alumnus (Jack Gilford), an accomplished journalist, visits.
Arvid makes a date with a popular classmate.
Maria hides her intellectual ability to attract the school hunk.
Eric and Simone's first date goes awry.
Alan campaigns for class president.
Dennis gets a job to pay back his classmates.
Arvid's father substitutes as a math teacher.
As peer counselors, class members work with problem students.
The team begins the competition without three of its most needed members.
Dr. Samuels (William G. Schilling) is determined that Charlie's class win its rematch in Russia. With Howard Hesseman.
Charlie announces a trip to the Soviet Union.
Dennis is torn between football and academics.
Disillusioned Charlie meets his dead uncle.
Dennis becomes obsessed with apocalypse.
Simone regrets using a computer dating service.
A popular teacher has Alzheimer's disease.
A course on marriage angers divorced Charlie.
Darlene feigns infatuation with depressed Alan.
Parents' Day causes concern for Eric and Maria.
Janice vies for first cello in the orchestra.
Eric thinks Maria is obsessed with him.
Separated Dr. Samuels moves in with Charlie.
Arvid's pen pal thinks he looks like Eric.
Arvid and Charlie reflect on relationships.
Dennis represents the school on a talk show.
The class seeks results of a psychological test.
Janice claims to have a poltergeist.
Charlie stages a production of "Grease."
Charlie coaches for a meet with Bronx Science.
Darlene and Sarah vie for a handsome student.
Dennis protests cafeteria cuisine.
Charlie's (Howard Hesseman) students believe one of them must go to make room for a transfer student.
Criticism upsets school journal editor Simone.
Charlie (Howard Hesseman) learns that his students are sabotaging one another's science fair projects.
Arvid (Dan Frischman) imagines himself playing roles in "Moonlighting" and "The Honeymooners." Marcia Christie guest stars.
Charlie (Howard Hesseman) learns that Sarah's (Kimberly Russell) home life is contributing to her recent poor scholastic performance. Robert Hooks guest stars.
Arvid (Dan Frischman) gets a job at a popular nightclub and invites his friends to mingle with the hip people. Also stars Howard Hesseman.
Charlie's (Howard Hesseman) students make a video to be included in a time capsule. With Leslie Bega and Jory Husain.
Charlie's students discuss their love lives on Valentine's Day.
In an academic competition against Soviet students, Eric refuses to participate because he doesn't want to look like a nerd.
Honors student Maria falls for the captain of a rival school's academic team.
Charlie is forced to consider cheating on an exam to keep his teaching license.
Charlie tries to convince Simone to attend a memorial service for a poet who once trashed her literary efforts.
Charlie (Howard Hesseman) attempts to show smart-aleck Eric (Brian Robbins) how difficult it is to teach a troublemaking student.
Assigned to do an essay on their family histories, the students' research opens some new doors -- and eyes.
Charlie (Howard Hesseman) is surprised to learn that his ex-girlfriend (Isabella Hofmann) was appointed to assess his teaching skills.
While working on a science project together, Arvid (Dan Frischman) and Sarah (Kimberly Russell) find out something about chemistry.
Charlie spends Thanksgiving with Dr. Samuels.
The class gets the chance to critique Charlie's contemporary version of Shakespeare's "Hamlet" in an experimental New Jersey theater.
Charlie's students challenge the school's athletes in a volleyball game.
The students plan a farewell party for Charlie (Howard Hesseman) when it appears that their former teacher, Mr. Thomas (Roscoe Lee Browne), will be returning.
Charlie (Howard Hesseman) suggests that Janice (Tannis Vallely) throw a party and invite all of her classmates.
The students teach Charlie (Howard Hesseman) a lesson after he denounces computers as "newfangled nuisances.".
Charlie becomes the victim of a scathing school newspaper article written by one of his own students.
Good-natured teacher Charlie Moore (Howard Hesseman) learns more about himself -- and tough-guy Eric (Brian Robbins) -- when he has his students imagine what they'll be doing in 20 years.
Substitute teacher Charlie Moore's (Howard Hesseman) innovative approach to teaching is greeted warily by the class and negatively by the school principal (William G. Schilling).