The song-analyzing qualities of a computer are transfered to Maynard, and cousin Virgil uses his ability to predict hit songs to become a singing star.

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

A test chimpanzee is doomed unless Maynard can show that he is more talented than he seems.

Dobie falls for brainy a Russian ballerina and solicits Zelda's aid to improve his grades. When that fails, he ends up dancing outside her window.

On a class trip to an African jungle, Dobie is captured by a tribe of cannibals.

Maynard guides a fellow student to become a singing sensation, then ponders if he should step aside when a big-time agent wants to take her on.

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

Maynard discovers a prehistoric throwback living in a cave and decides to move in with him

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

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

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

Dobie and most of his friends reluctantly participate in a talent show.

Performing at Pryor College, the Lettermen hire Dobie as an emergency replacement singer.

Maynard doubles for a Latin American general while on vacation.

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

Dobie exaggerates his dad's war record to impress a girl from a long military family.

Maynard and Herbert get struck in one of those finger toys just as Mr. Gillis is about to leave for a grocer's convention.

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

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

Maynard and Duncan accidentally lock Mr. Gillis in the meat freezer, and think they've killed him.

To avoid failing an upcoming test that will cause him to flunk out of school, Maynard drinks a potion that is supposed to turn him into a genius, but ends up transforming him into a monster.

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

The Army orders Maynard to shave off his beard.

Maynard gets drafted.

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