Morticia decides to keep the children home from school after she sees the fairy tales they have to read. When the truant officer comes to investigate he finds Morticia tending her garden of hemlock and poison ivy and Gomez blowing up bridges on his model train set.

Pugsley abandons his pet octopus for a puppy is seen wearing a Boy Scout uniform plays with a baseball bat and helps an old lady cross the street. Distraught Morticia seeks the counsel of psychiatrist Dr. Black.

Uncle Fester convinces Gomez and Morticia that it is time for him to find a mate. Fester conducts his search by putting an ad in a newspaper and then mistakenly thinks a door-to-door cosmetics saleswoman is answering his ad.

Pugsley and Wednesday start a row at a brithday party when their gift of a tarantula upsets Harold the birthday boy. Harold's parents insist that the Addams children lack breeding and therefore are no longer allowed to play with their son. Gomez and Morticia then hire a genealogist to trace their heritage.

Gorgo an escaped circus gorilla is accepted as one of the family which shocks the Ladies League members Morticia's invited to tea. Gomez is pleased as Pugsley makes a friend of Gorgo but Lurch is unhappy when Pugsley teaches Gorgo to do housework.