Andy's pretty young cousin, Gloria, comes for a visit after breaking up with her boyfriend. Aunt Bee asks Andy to be nice to her and his attention makes Helen jealous.

Fred's fear of becoming seasick threatens the Mertzes and Ricardos' plans for Ricky's European band tour. To prove that Fred won't get seasick, Ricky takes him down to the ship, which is anchored in the harbor. But Fred turns green and becomes more firm about his not going. Lucy and Ethel test some new, improved seasickness remedies on the Staten Island Ferry. The trial run leads to unexpected complications when Lucy gets seasick.

Wally, Chester and Tooey are building their own boat and plan to sail on it, despite Ward and June's forbidding Wally. Once at the lake, Beaver is the only one small enough to get in it and once on the water, the boat tips over leaving a soaked Beaver behind. However, it's trying to keep their afternoon of boating a secret from Ward and June, that's really going to wipe Wally and Beaver out.

A lazy weekend leads Ward to direct Wally and Beaver to read a book, Tom Sawyer. The book influences them so much that they take on the job of painting the garage doors. However, they soon find the job to be awfully boring and messy. Chaos erupts when neighbor Bengie Bellamy stops by wanting to help.

When someone tries to kill a radio newswoman, the station turns to Charlie for help. Kelly takes over the newswoman's on-air duties, while Kris and Sabrina check up on some of the threats she's been receiving.

"Max's ex-wife makes an unexpected appearance that draws him and the Harts into a battle for a stolen necklace."

"A thrill-seeking big game hunter unexpectedly becomes the victim of a hunt on Fantasy Island. Two very close girlfriends are given a half-million dollars to squander on the wildest shopping spree imaginable on Fantasy Island."