Perry returns to his college alma mater to receive an award but there's no rest for the weary when he's called upon to defend Van Fowler for the murder of a professor.
Smart goes undercover at the CONTROL spy school to find an undercover KAOS spy. CONTROL's spy school has been infiltrated by KAOS. To find the imposter, Max and Fang go undercover as students, while 99 poses as an instructor. There are three students suspected of being imposters - Dimitri, Grillak, and Zukor. Max must verify that Dimitri speaks a rare East Himalayan dialect, that Zukor has unusual handwriting, and that Grillak has a heart-shaped birthmark. Max finds himself all wet when attempting to eliminate them from the suspect list and he and 99 get captured and tied to a bomb. It is only by Fang's skilled intervention that they aren't blown to bits.
The Doctor and Vicki enlist the aid of the Chumblies to rescue Steven from the Drahvins and then find a way off the planet before its destruction.
Tony is on a survival mission with Roger when Jeannie seems to have followed him. Jeannie proceeds to help him in every way possible by giving him food, shelter, and finally transportation while Roger suffers in the hot, sweltering desert.
Thad, son of and deputy to an Oklahoma sheriff, arrives in Dodge pursuing vandals on his father's warrant, not realizing the Oklahoma warrant isn't executable in Dodge.
Wednesday and Pugsley refuse to go to sleep until they are told the rest of the story of their parents' romance.
A Secret rocket bomb developed by the Germans is being hidden at Stalag 13. When an Allied scientist is sent to photograph and sabotage the weapon, Hogan and his men plan a distraction — in the form of a bogus "Kommandant of the Year" ceremony for the clueless Colonel Klink.
Through a publicity contest, Wilma and Betty win movie star Stoney Curtis (voiced by Tony Curtis) as a ""slave boy"" for a day. Jealous Fred works him unmercifully, until Stoney offers him a job as his stand-in for a new movie. Fred quits his job and prepares for life as a star, which, of course, is not all it is cracked up to be.
When Paul makes a satirical toast behind the Iron Curtain, racing-car driver Janos Takacs (Eric Braeden) courteously joins in and finds himself in prison. Paul tries to make up for his frivolous action by freeing him with the help of his sister Marika Takacs (Gia Scala) and former prisoner Istvan Zabor (Telly Savalas).
Drake goes undercover to discover who is blackmailing a general's brother.
The exiled president of a revolution-torn country visits the island.
After entering an oil deal with Jed and O.K. Oil, the Sheik befriends the Clampetts, giving Jed four of his dancing girls for wives and tries to get the beautiful Elly May as one of his wives. Jed tries to give the girls back, while Jethro tries to enjoy some of the Sheik's life, mainly the company of his beautiful dancing girls, after selling his cousin.
Victoria begins to wonder if Tom ever truly loved her, if he could go off and have an affair which produces a child. So she's off to Heath's hometown Strawberry to find out more about Tom and Leah's (Heath's mother) relationship.
Professor Robinson attempts to explore a planet that the Robinson's are planning to land on. His para-jet propulsion system fails due to sabotage by Dr. Smith. Major West "lands" the Jupiter II, in spite of the fact that Dr. Smith has also sabotaged the propulsion system of the Jupiter II, and the family and Major West rescue Professor Robinson.
A scam artist posing as a psychic goes on TV to prove that he knows where Kimble will appear next-with a little help from an accomplice who is traveling with Kimble.
In Mexico, Paul vies with charmer and con man Ramon de Vega (Fernando Lamas) for the affections of the wealthy Jessica Braden (Tippi Hedren).
To get his mind off throwing rocks through windows, Ernest T. Bass is given the job of being a traffic cop. However, when Ernest T. begins throwing bricks through car windows, Malcom Merriweather is assigned Ernest T.'s task, causing Ernest T. to vow for revenge.
Things aren't going too good for the self-styled candy queen, Claire Armstrong, these days. Boyfriend Mark Chester steals her candy formula in order to pay back his gambling debts and Harry Arnold is blackmailing her. Then there's cousin Wanda. She'd like nothing better than to see Claire convicted when Arnold is murdered so that she can takeover the business.