The cases of an easy-going ex-convict turned private investigator.
Lamont has been saving for acting school and has just enough money. Meanwhile, Fred sees a commercial for a get rich quick scheme and decides to give it a try. Thus, he invests Lamont's money in a supply of Whopper Choppers that he must try to sell. However, selling them is the hard part.
Chico tries to persuade Ed to retire and move into a retirement home, but Ed will not go for it naturally.... I don't blame him (lol)
A clear cut murder case against an island mobster is derailed due to McGarrett.
A vigilante is methodically and savagely wiping out criminals who have managed to slip through the fingers of the legal system.
Eddie's determined to sell the house and leave Twickenham for his beloved homeland of Manchester. Joan is far less than enthusiastic, but can anything halt the sale?
The Alphans are visited by a bizarre spacecraft, whose request for supplies hides a deeper purpose. The ship, Gwent, is found to be sentient, the attempt of a vain alien genius to live forever. Powerful, unstable and craving companionship, Gwent intends for Koenig, Helena and Bergman to replace its aged, dying creator.
Jim-Bob thinks he was adopted. He searchs his birth records and finds out he's a twin. Jim-Bob's twin brother died at birth.
On New Year's Eve, Fish tries to stop a jumper, and Wojo delivers a baby.
John is a lot more interested in books than farming or hunting. Mr. Edwards tries to make him different and buys him a gun for his birthday.
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.