With the shortage of weapons, Capt. Mainwaring goes to the local museum to see if any of the guns on display can be used by the platoon.
After listening to a radio broadcast asking for men to form what was to become known as the Home Guard, George Mainwaring, a local bank manager, decides to act and form the platoon of his own accord. He appoints himself as Captain and recruits his chief bank clerk Arthur Wilson as the platoon sergeant as well as enlisting the bank's office boy Frank Pike. Several of the local tradesmen - including James Frazer, a philatelist shopkeeper; retired shop worker Charles Godfrey; Jack Jones the butcher and black market businessman Joe Walker - also volunteer their service for 'King and Country.' And so, The Walmington-on-Sea Home Guard was born.
Carol plays a housewife driven mad by TV commercials; Carol and Harvey carry on as the 90-year-old couple; Harvey plays an elegant bachelor in a musical comedy; a satire of a Rock 'n Roll band named the Banana Wristwatch.
Darrin is named advertiser of the year, but he is not affected by the glory. Endora gives him some by putting a spell on him, making anyone who comes a few feet toward him charmed. Samantha is worried about Darrin getting too much love and attention and gets on her mother.
Uncle Arthur does it again. This time he gives Darrin an amulet that is proved to be magical. He really needs help when he tries to help a bank receive some credibility. Samantha discovers that the amulet is fake, and ends up saving Darrin from his mishaps. Darrin lands the bank account when he stops a bank robber.
The Doctor and Jamie rescue Victoria from Robson and realise they can destroy the Weed Creature with sound waves.
In "Carol and Sis", the girls are panic-stricken after watching a horror movie late at night; Carol and Minnie play two country women visiting Paris; a spoof of "Bonnie and Clyde"; Carol plays a Mary Poppin's style mail order bride for an Amazon plantation owner; and a medley of songs from MGM musicals.
Sister Bertrille, Carlos, and one of Carlos's girls are stranded on a desert island.
One of the convent children takes an interest in Scraples, a kleptomanic dog.
Cousin Roy arrives & wants to open a Hollywood branch of Mother Mabel's elixir. Granny doesn't want her old rival Mabel to be sucessful at her expense, so Granny & Jethro set up a stall on the sidewalk to sell Granny's elixir. That is until a cop arrests them for operating a stall without a permit. Mr Drysdale flys Mother Myrtle out to Beverly Hills & just as Jethro & Granny arrive home, she sees Myrtle & runs into the house for her gun.
Sam brings over one of his Italian friends from the war--but unbenowst to him the friend brings over his elderly father and sister--and this creates mayhem in his family and business.
John Cannon is forced to relive his final days in the Civil War by a man he disfigured in combat. Vengeful Finley Carr and his brother Stacy kidnap Victoria and head for high country, certain John will follow. Carr captures John and subjects him to physical exhaustion and hunger for three days as he prepares to reverse the roles of their first meeting. Buck, Billy Blue and Manolito force one of Carr's men to help plan a rescue.
A German truck carrying an experimental jet fuel is the latest target for Hogan and the gang. But when all efforts to sabotage the shipment fail, Carter decides to get down to business with the remaining weaponry at hand—a bow and arrow!
While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet.
Larry wants Samantha to convince his new client, Mr. Baker, to update his firm. In order to do that, Samantha leads Baker to believe that the ghost of his Uncle Willie came back to tell him to do something about his company's image.
Mark's date is found murdered in Golden Gate Park, and he is determined to catch the man responsible, with or without Ironside's help. When he decides to take the law into his own hands, however, he finds himself under arrest for the murder of the chief suspect.
Young Sister Bertrille uses her ability to become airborne to help others, whether they want it or not. Although her aims are always benevolent, her means are often bemoaned by Mother Superior. The other Sisters must cope with their beloved Sister's aerodynamics and antics as she flies in and out of trouble.
Mr Drysdale wants to make a commercial starring the Clampetts as lazy hillbillies wasting their lives at the beginning, to successful contributors to society at the end. He dresses as SuperBanker & they recite to the camera how worthless their existence was before SuperBanker changed things for them.
Its Roger's birthday and Jeannie and Tony throw a small party for him. Instead of a normal gift Jeannie decides to give Roger something he has always wanted, his very own wish. As Roger is leaving the house, Tony mentions the fact that the next day he is going on an important space flight and Roger then blurts out that he wishes that he was going on that flight and at that instant, Roger and Tony switch bodies. When Tony realizes what has happened, he and Jeannie go searching for Roger not only before he goes on the mission, but to keep Dr. Bellows from finding out what happened.