Goober and the gang are aboard an old pirate ship called the Sea Witch for publicity pictures. The Sea Witch is soon set adrift by the salty spirits led by Captain Dunk. They also encounter Dunk's nicer twin brother Dink.
Showbiz must be treating former Get Smart agent Don Adams badly — he's been reduced to running the Adams Extermination Company. When he's sent to Horror Hill to eliminate the vermin from horror actor Lorne Chumley's mansion, the gang helps out, unaware of the dangers that lie within.
A marine scientist fights pollution by creating natural disasters to force three industrialists to stop polluting. The nation's three leading industrialists receive a warning from a computerized albatross: "Listen to the voice of Dr. Pelagian, you have one hour to stop pollution of the seas before the sea strikes back!" The Super Friends must get the stubborn industrialists to meet with Dr. Pelagian before his tactics endanger the country.
On the advice of their marriage counselor, Lou's wife, Edie, decides to move out. Lou is heartbroken by the prospect.
Hawkeye and Trapper receive high-level flak when they buck the brass to report the "friendly fire" shelling of a South Korean village.
Gloria brings home a Rodin replica for the living room, but the erotic sculpture makes Archie cringe.
A French girl in London finds herself in the awkward position of owing money to a Soho crime boss. But when she pays him off, he contemptuously sets fire to the money. Why?
Rollo and Lamont are managing a girl singing group from Philadelphia, The Three Degrees. They stay at the Sanford house while preparing for a talent show at the Safari Club. Fred is against the notion at first until he meets the three sexy girls. At the Safari Club, Lamont is surprised when Fred and his friends arrive and they start heckling the other acts.
A revolutionary group steals and auctions off a priceless art collection in order to purchase dynamite to fund their cause.
Felix's new love interest is married to a jealous professional football player.
After Bobby defends Millicent at school she rewards him with a kiss and he immediately sees sky rockets. This leads him to try to kiss her again but after seeing those sky rockets again, she delivers the news that she may have the mumps.
A cop (Nielsen) who finds out that he has a terminal illness, sets out to kill a racketeer (Danton) who had been his quarry for the last year and a half.
A lawyer turns up at Ironside's door late at night, badly bruised and unable to remember what has happened to him. All that he can recall is that a man who needs rescuing is trapped in a sinking boat; but he cannot remember where the boat is, or who the man might be. The Chief begins a race against time to find the victim before it is too late.
A wealthy widow, Mrs Clayborne, accuses John Walton of stealing antiques while working in her mansion. John needed new tires and he hocks his wedding ring to buy them. He refuses to tell anyone where the money came from. The mystery is finally solved when the Clayborne son admits to selling the goblets to raise money for his family.
Hatfields and McCoys, with an Asian spin on things. Two familes with a longtime fued keep two potential lovers apart. One of the families has hired a ninja assassin, and Caine witnesses his actions. Caine is accused of assisting the ninja, and heals a man dying from a poisoned shuriken strike.
"Man in Harmony," a 3-ton, 11-foot tall sculpture is missing at its gala unveiling. The 5-foot pedestal to which it was attached is all that remains to mark the theft. A ransom demand threatening to turn the large stone into gravel unless $500,000 is paid further complicates the case. Working, and competing, with a Boston Insurance Company colleague, Banacek has only two days to find the statue and collect his fee.
A family of white-trash mass killers arrive on Hawaii after wreaking a trail of devastation on the mainland, and McGarrett must catch them before they can do more damage on the islands.
Someone attempts to take the life of writer Max Pomeroy, Tony Blake's friend. Upon investigation, Tony discovers an illegal gambling operation that Max is about to testify against before a grand jury. Tony gains the friendship of a disgruntled casino operative named Diane Thompson, and uses it to penetrate the casino's veil of secrecy. Using his card and dice handling skills, Tony is able to clean up on the house, but he soon finds his own life is in danger. His investigation culminates in a wild ride on the top of a hijacked ambulance.