When Starsky offers for himself and Hutch to check on a waitress's missing friend, they find the man dead, leading them to stumble across a plot to rob an armoured car by a gang that are holding the driver's pregnant wife hostage, forcing the driver to go along with the plan.
When a plea bargain falls through, Baretta must infiltrate a murderous motorcycle gang to save his informant.
When Julie goes away on a ski trip with a friend, stories from the Sweathogs and Mr. Woodman lead Gabe to be worried about the possibility of Julie cheating on him while she is away.
Marion, tired of the monotony of everyday house chores, decides to enter a televised dance contest. When Howard won't participate with her, she secretly enlists the help of Fonzie. Arnold unwittingly tells Howard that Marion has been at Arnold's early in the morning with another man, and Howard becomes suspicious.
J.J. and his girlfriend, Diana, are getting serious and the topic of marriage comes up, something which both J.J. and Diana both want. However, both of their parents are totally against the notion. Meanwhile, Diana is secretly hiding a drug problem.
Potter decides Frank would be less of a pain if the others were friendlier to him; they oblige, with some startling results.
Fred Mumford returns to earth from the spirit world to open a business called 'Rentaghost' which offers ghosts and poltergeists on a dialy or weekly rental basis. He is sometimes helped, but more often hindered, by Davenport, a fussy Victorian ghost, and Claypole, a mischevious medieval poltergeist.
Who broke Maude's priceless crystal bowl? There are several conflicting versions of what happened to the punch bowl.
Kojak doubts a young man is guilty in the murder of a prostitute, even the circumstantial evidence points to him.
Bob becomes his patient's partner in a get-rich-quick real-estate venture.
Ted and Georgette face marital problems, but Ted refuses to see a counselor unless Lou goes with him.
The storm-lashed planet Karn. Near a graveyard of crashed starships, the demented surgeon Solon hides in his castle, the last acolyte of the Time Lord despot Morbius. He only needs one final item to make his master live again... and then the Doctor and Sarah arrive...
Fred lands in the hospital after an accident in which Fred accidentally witnesses a murder attempt. With a guarded hospital room, Fred becomes suspicious of everyone since the real criminal wants him killed. However, Fred is after the reward money he'll get if he testifies despite putting his life on the line.
Anonymous alien benfactors provide the wandering Moon with a breathable atmosphere. The Alphans rejoice as they realise they have a wonderful new home in their own backyard. Preparations are made to settle and begin building a new civilisation on the Moon's surface. Koenig is suspicious of the aliens' motives, wondering how long this generous gift will last.
When an elderly importer who was a World War II Japanese spy is killed, Five-O seeks his killer.
Olivia and the two youngest children, Jim-Bob and Elizabeth, go up on Walton's Mountain and become lost. They experience many challenges. Jim-Bob saves the day using woodsman skills taught to him by Grandpa.