Mrs. Drysdale's father, an aristocratic Bostonian, is coming to visit, and she's afraid that one glimpse of the unrefined Clampetts will send him back to Boston.
When the Barkleys invite the foreman of their logging operations to dinner, Heath walks in and tries to kill the man on sight. It turns out that the man is Matt Bentell, the warden of violent, horrible Carterson Prison, where Heath was held during the war. A man whom he had sworn to kill if he ever saw him again. The family comes up with the brilliant idea to send Heath up to the logging camp with the man to help with the building of log flumes, and to protect the man whose identity has been brought into the open. Heath ends up saving his life and learns that people can change.
Gidget, her friends and the boys fight for possession of an isolated cove at the beach.
The women of Lost in Space are featured in their very own episode while the boys are out installing communications equipment. Smith is left in charge (boy is that a mistake) and he "cleans" their weapons, but cannot remember how to rebuild the weapons. This leaves the J2 crew defenseless. A creepy creature stalks the Robinson women however they think a small dog is to blame for raids on food and other mischief.
Kimble is working as a custodian for the Saturday Morning Camp, a weekend camp run by Tony and Carole Burnell. Things become complicated when two police officers are found beaten to death. The police recruit Tony, a former policeman, to interrogate a local juvenile delinquent whom is the main suspect in the killings. But unknown to everyone, the real killer is the schizoid Tony whom blames the police for his death of his father whom was a policeman and was sent to prison on a trumped-up murder charge and then killed by the dirty cops during a prison riot.
Paul's shark fishing expedition with Hardie Rankin (Howard Keel) and his wife Elizabeth (Dolores Dorn-Helt) is suddenly turned into a test of courage when they meet a party of young people diving for treasure in the South Pacific.
Feeling bored and lonely in the afternoons, Aunt Bee asks Andy if it would be alright if she get an afternoon job. After looking through the want ads, she gets hired at a printing company, not knowing that her bosses are counterfeiters.
With Katarina being held hostage, the Doctor, Steven and Bret are in danger of having to given in to Kirksen's demands, while, on Earth, Chen has them listed as traitors.
Tony's ex-girlfriend Diane comes into town and invites him to dinner, making Jeannie jealous. Meanwhile, Roger accidentally bumps into her and successfully asks her out on date. A worried and jealous Tony decides to drag Diane all over town in search of Jeannie and her unidentified escort.
Twenty-two men escape from a territorial prison. The remaining 4 kidnap Matt hoping to get safe passage into Mexico. One of them has another agenda which he reveals to Matt as they get closer to the border.
Gomez is having some sleepwalking issues brought on by Grandma's famous yak stew. The house descends into chaos when a connection is made between a recent spat of cat burglaries and Gomez's nighttime adventures. Morticia goes on the search for a cure before Gomez gets caught and branded a criminal.
Fred's hopping around and howling in pain after dropping a bowling ball on his foot is mistaken for a new hit dance, the Frantic. Invited on the television music show ""Shinrock,"" Fred comes down with stage fright, until a jab from a misplaced pin gets him hopping and howling again.
LeBeau aids in the escape of a captured French scientist and his daughter, who are able to make it out of Germany. But now the men of Stalag 13 must find a suitable "replacement" scientist who can present and discuss the study's findings.
The Skipper worries that something is going to happen to him, so he begins to train Gilligan to be a leader. The Skipper then disappears leaving Gilligan in charge, with predictable results!
Mrs Drysdale's father arrives & is a little short of cash. After hearing that Jed next-door is a millionaire he invites himself over for a game of poker. Mrs Drysdale's Father is winning until Granny sits in on the game & then she ends up with all the winnings. Mrs Drysdale's father then shoots some pool with Jed but he loses again.
When Nick is bitten by a rabid wolf, he makes Heath swear not to say a word, and leaves town so his family will not have to witness what will happen to him.
Actually, Will and Dr. Smith went into an elongated orbit and landed right back on the planet, not too far from the Jupiter II.
Kimble reluctantly becomes involved with Stella Savano, the sister of George Savano, a mobster who runs the trucking company where Kimble works. Stella is an emotionally disturbed women with a dangerous attraction to Johnny, the adopted eight-year-old son of Jesse Stangel, Kimble's co-worker. Kimble learns that Stella is actually Johnny's mother. But Stella becomes so delusional that she thinks that Kimble is Johnny's father.