Andy is chosen to be the sole judge of a local beauty pageant. The entrants include Floyd's niece, the mayor's daughter and Ellie Walker.

Lucy fears that she and Ricky don't have enough in common, so she decides to pursue one of his interests: camping. Ricky and Fred don't want her (or Ethel for that matter) horning in on their summer retreat, so Ricky decides to take Lucy on a "trial run" in the woods and make her life miserable. But Lucy is wise to his plan; guess whose life is made miserable in the end?

When June goes on a trip to visit her sister, Peggy, June's Aunt Martha steps in and stays with Ward and the boys. They do their best not to hurt Martha's feelings, but Beaver has the hardest time, when she buys him a suit, knee socks, a cap and short pants and makes him wear the outfit to school.

Wally and Beaver want to win a fancy film projector and in order to get it they have to sell 24 bottles of perfume. However, the appalling aroma of the perfume quickly leads to zero sales and has Ward trying to think up a sales gimmick.

Police and Elly's animals converge on the Clampett estate when Pearl starts giving yodeling lessons.

Pearl gets a letter from two old flames who used to fight over her hand, Lester Flatt and Earl Scruggs. After reading some of the letter, Jed figures that the engagement they talk about in the letter is for Pearl to choose which one she wants to marry. However, Lester and Earl have since married two glamorous city women, and the engagement they speak of is a gig in Hollywood.

The Skipper begins to itch and sneeze whenever he is around Gilligan.

A mad scientist lands on the island and takes the castaways to his castle to perform strange experiments on them. Soon they are locked in a dungeon and trapped in the wrong bodies.

Iola has her dead cat freeze-dried.

When Mama's crazy old Uncle Oscar passes on, he leaves her his talking parrot, Captain Petey, who convinces the family that treasure is hidden somewhere in the house.