Mary Ann is becoming a serious problem to the other gang members and Joe was given the job of training and controlling her behavior.

Jerry Lewis plays Norman Phiffer, a proud man in a humble life, who doesn't know that his girlfriend, Barbara, is heir to the Tuttle Department Store dynasty. Mrs. Tuttle, Barbara's mother, is determined to split the two lovers, and hires Norman in an attempt to humiliate him enough that Barbara leaves him. Will she ruin their love, or will he ruin her store?

Farina's mother is very ill and the mortgage is due. He tries to take over her laundry business, but the kids just wreck the clothes. Joe takes pity and devises a scheme to make money: the gang builds their own oil well.

The Gang turn to playing football, and face tough competition against the Gas House Garlics.

Wheezer likes to hit people on the nose, and his folks encourage him to do so. Then the Gang wandering off climbing atop a construction site while the builders have gone to lunch.

A hypnotist comes to town and puts the gang in animal-like trances. Now that the spell is off, the gang returns back to their usual roles. But then while at an afternoon tea social , the spell returned, ruining a perfectly good afternoon.

As a joke, several members of the gang convince Farina, who is "brave but superstitious", that he's caused the demise of a young acquaintance and must therefore lay the body (actually still very alive) to rest in the old burying ground, under the watchful eye of "the graveyard witch". The joke backfires spectacularly on the pranksters.

With Jay Edison as the inventor and Wheezer his assistant, the gang contrived an automobile of unusual construction; an automobile that will look like a submarine.

The kids decide to put on a circus at the local hotel. Seeing various pets and other domestic animals dressed up like circus animals was very cute--particularly the dachshund dressed as a seal! However, the animals all get loose and terrorize the hotel guests--including a drunk played by Oliver Hardy.

Living in an orphanage, the gang has to deal with Amanda, a child-hating spinster. To receive a bequest from a rich uncle, she must acquire a child. Thinking suspicion, the gang causes all kinds of havoc toward her including a mud battle.