Herb's three-martini business lunches with an ad agency representative are causing him to mess up even more than usual, and it begins to seem that his use of alcohol as a sales tool is turning into a drinking problem.
Passengers who search for romantic nights aboard a beautiful ship travelling to tropical or mysterious countries, decide to pass their vacation aboard the "Love Boat", where Gopher, Dr. Bricker, Isaac, Julie, and Captain Stubing try their best to please them, and sometimes help them fall in love. Things are not always so easy, but in the end, love wins.
Furillo's chances for promotion are threatened when a city councilman is implicated in the murder of the teenage prostitute; LaRue continues to look for money for his ""saloondramat""; Fay's obscene caller breaks into her home; and Belker confronts an anti-Semitic cop just transferred to the Hill.
With Nyssa from Traken unexpectedly rejoining the group, Adric aids the Monitor of Logopolis in trying to save the Doctor before time runs out. The Master, at liberty to prepare, is finally ready to reveal his true target, which unknowingly sets off the biggest catastrophe of all time.
While on the way to the Boar's Nest, Bo and Luke are ambushed by an escaped prisoner, who steals the General Lee and plans to hunt down Boss Hogg. Later, Boss finds out that the prisoner is an old foe who is set out to get revenge on Boss
As J.R. continues to deal in Asia, the Ewing family split over what is being done. Meanwhile, Lucy's inflated ego over her pageant win creates tension and Sue Ellen continues her affair with Clint Ogden.
After receiving death threats, the Governor's new advisor, Clayton Endicott the 3rd moves into the mansion.
David's attempt at a cure is hindered by the other man's exposure to radiation, which revives the murderous Hulk persona the man was cured of many years before. Now, David must produce enough antidote to cure both himself and the other man before more carnage occurs.
A bubbly young woman hires Magnum to find her father who, after being missing for over ten years, had sent her a postcard from Hawaii. But her father is involved in some rather shady business, and Magnum isn't the only one looking for him.
After Tony is beaten badly in his most recent boxing match, the state takes his boxing license away.
Buck and Twiki come across the survivors of a failed colony, a young widow and her son. The woman tells Buck that the other colonists all fled the planet as the result of a plague. Buck is confused by the woman's refusal to leave the planet despite being repeatedly being menaced by a goat-man named Pangor; but he soon discovers the truth about the plague when he contracts it and begins to turn into a goat-man himself.
A restaurant may have refused a man service because of his appearance; Barney won't name an informant so he's charged with contempt of court.
Orma Lee, Corabeth's twin sister, arrives to see Ike when Corabeth is away. Elizabeth goes to Arizona to see Olivia and John because she feels lonely.
Kip and Henry are worried when Ruth invites them to dinner, and appears to wabt more than a business relationship.
Mindy tells Mork she thinks they should date other people. He takes lessons from a swinger named T.N.T. and turns into a party animal.
A club near Danny's burns down killing the owner, Lou Chesler. His wife, Elizabeth, is suspected of causing her husband's death, especially by an insurance investigator for the company that held her husbands' life assurance policy. He thinks she has also killed previous men in her life and warns the latest one that he could be next. The latest one is, of course, Quincy.
Astro Boy meets a mysterious woman and must stop a hostile alien invasion.
Nancy's modeling career is about to take off but she needs to make an important decision as she later finds out she has to pose topless for a jeans ad. Elizabeth is trying to attract Alan Anderson, who only sees her as a friend. David hires Nicholas to find him a new apartment.