All the teachers come down with the flu and parents have to take over the classes.

Dobie runs against Milton for junior class president. Thalia is Dobie's campaign manager.

Dobie and Maynard conspire to rig the raffle at the local movie theatre so that Dobie can win enough money to take Thalia to the prom.

Dobie becomes Top Fist by knocking out the legendary Moose. Milton tries to gain the title and Thaila's affections by challenging Dobie.

Mr. and Mrs. Gillis take in a young and handsome border from South America.

Thalia urges Dobie to become a doctor, but he meets Zelda Gilroy and learns about the scientific concept of propinquity, the psychological tendency for people to form relationships with those whom they encounter often.

Dobie competes with Milton Armitage to see whose wardrobe can impress Thalia the most.

Before the big football game, Dobie hatches a scheme for winning by stealing the opposing mascot.

Dobie joins the school band solely to be close to piccolo player Esme Lauterbach, who is interested in Maynard.

Thalia hatches a scheme for Dobie to sell sandwiches at the school picnic.

Dobie thinks everyone has forgotten his birthday.

Mr. Gillis is driven crazy by all the Christian celebrations, and almost spends the holidays in jail.

Dobie tries to earn $6 to take Thalia to the Junior Prom.

Dobie is up against Milton to be leading man in a school play.

Maynard gets drafted.

Zelda is tired of being rejected by Dobie, while Maynard realizes that no other woman would put up with him.

Duncan gets a role in a visiting production of William Tell and falls for a young opera star, unaware she has a jealous boyfriend.

To cure Maynard of his childish belief in Santa Claus, Mr. Gillis climbs down the chimney on Christmas Eve and gets stuck.

An older woman teaches Duncan how to be rotten to succeed in the world so he'll be able to provide for her younger sister. But meanwhile the younger sister is falling for nice, honest Dobie.

Duncan and Maynard don't realize they loaded up the Gillis Grocery delivery truck with a case of nitroglycerin.

Chatsworth wants Mr. Gillis to teach him to be more responsible.

Dobie and Maynard organize a tribute to Mr. Pomfritt, hoping to convince him not to leave Central High.

Zelda invents a secret engagement to try and impress some sorority girls.

Herbert, Winifred and Zelda reminisce as Dobie and Maynard prepare to leave for the army.

Dobie and Maynard, out of high school, don't know what to do with themselves and seek professional help. In the end they decide to enlist in the army.

It's Dobie's graduation and Herbert, feeling embrassed that he never graduated, goes to night school to earn his diploma.

Winnie wins a date with Hollywood starlet Merilee Maribou and gives the prize to Dobie.

Zelda decides she's tired of being rejected by Dobie and turns her attentions to Chatsworth.

Maynard is convinced that he is dragging Dobie down in life so he tries to antagonize Dobie into ending their friendship.

In order to graduate, Dobie and Maynard must write an essay on the subject of Whither Are We Drifting?

Thelonius Monk comes to town and invites Maynard to sit in on bongos. But Herbert needs a favor which will require Dobie and Maynard to switch identities.

Maynard enters Dobie's old school essay My Dog in a newspaper Father's Day contest, but changes it to My Dad.

A discouraged Dobie finally gives up on finding his dream girl and agrees to marry Zelda.

Dobie and Maynard get weekend passes, but Zelda has been telling all the girls back home that she and Dobie are engaged.

Maynard gives the class's Christmas funds to a poor Mexican family.

A fugitive criminal and his girlfriend hold up the Gillises in the store. Maynard arrives and complicates the situation.

Maynard doubles for a Latin American general while on vacation.

Dobie falls for Poppy Herming but has to win her father's approval too.

Herbert seeks free advice from a child psychiologist.

Dobie goes on a hunger strike until Thalia agrees to be his.

Dobie falls for trapeze artist Aphrodite Millican,.

In order to win Thaila from Chatsworth, Dobie reads a book on mental power so he can be the dominating man Thalia wants.

Dobie and Maynard are puzzled when a rumor they spread about Zelda inheriting a fortune seems to become reality.

Thalia tries to educate Dobie in logical thinking.

Maynard gives a chicken an overdose of growth hormones as a biology class project .

Dobie and a girl friend take a baby-sitting job. However, the Gillies suspect Dobie is secretly a father.

Dobie, Maynard, and Thalia capture a crooked dry-cleaner who had almost conned them before.

Doblie's dad wants him to romance a banker's daughter so he can get a loan.

Dobie's newest girlfriend's father happens to be opening a new grocery store. Mr. Gillis tries to spy under the name Fred C. Dobbs.

Dobie falls for an older nurse and feigns a disease so he can be near her.

Dobie's new date's father turns out to be a cop with whom he had a disagreement about picking flowers in the park.

Dobie finds a girl who doesn't care about money, until her younger sister starts going on finance dates with a richer boy.

Dobie lies about joining the navy to impress a girl's sea-mined father.

Maynard finds an abandoned baby in the park.

Maynard has temporary ESP, which will allow him to predict the winner of the Kennedy-Nixon presidential election.

Maynard takes a job selling clock-statues at an army surplus store.

Maynard finds a purse full of cash.

Zelda helps Dobie build a hot rod so that he can impress a girl by beating Chatsworth in a car race.

Dobie choses going to a huge Christmas party with Chatsworth rather than a small one with Maynard and feels guilty enough to have a Scrooge-like dream.

Dobie meets a pretty fatalistically morose French girl who savors the negative things in life. She thinks Dobie is an oaf and Dobie hates her bleak attitude. Yet, she keeps coming around.

A lion escapes from a zoo and becomes attached to Maynard.

Dobie tries to get his father to spend more time with Mrs. Gillis.

Dobie, Maynard and Zelda think an old Central High star athlete is a bum, while he is actually a big executive.

Maynard misses the bus on his first day in the Army, but Chatsworth fills him in for him.

Being put in charge of his squad's barracks goes to Dobie's head and his friendship with Maynard suffers.

Despite opposition from his mother, Chatsworth decides to join Dobie and Maynard in the Army.