The Doctor and Romana are trapped between the monstrous Kroll and the insane refinery commander. And there is no sign of the fifth segment of the Key to Time.
In ""Seance"" Clare Conti still distraught over her brother's suicide learns that her brother was murdered during a seance. In ""The Treasure"" a happy marriage is placed in jeopardy when the quest for wealth and all the it encompasses places Joe Capos at a crossroads.
Doc's ex-wife hires an actor, who takes his role a bit too seriously, as her fiance; a philandering marriage counselor's wife seeks solace from Captain Stubing; a woman pretends to be her own sister for a reunion with a long-ago sweetheart.
Sketches/Songs: Gonzo's first motorcycle jump, ""Beauty and the Beast"", ""Pigs In Space"", ""Mack the Knife"", ""Just the Way You Are"", Gonzo's second motorcycle jump, ""Last Dance""
Diana goes undercover to crack a ring of criminals who deal in atomic hardware.
Willis invites his neighborhood club from Harlem to visit, but things get out of hand when he tries to impress them with his new wealth.
The cases of an easy-going ex-convict turned private investigator.
Mike Paxton, John-Boy's old friend, is confined to a wheel chair and believes there is no hope for the future. Through the help of the family, he comes out of his shell.
Sally tells Mary that Burt is having an affair with her and an 18-year-old girl, Carol tells Jodie he's unfit to be a father, and Chester almost remembers his name.
Mork meets an Immigrant from Russia and Mindy teaches Mork about democracy. An illegal alien has a new meaning for Mork.
Lieutenant Scanlon returns, this time attempting to ferret out corruption with a lie detector; Barney is suspicious of a furrier's robbery report.
Kris invites Bosley and the Angels to vacation in a small Arizona town where her aunt is Mayor and her uncle is Sheriff. Upon arrival they discover their headlights smashed, no rooms available and a suspicious lack of women in town.
In an effort to keep the remaining Bradfords at home, Tom repeals all curfews but Abby doubts his wisdom. Tom shows everyone that it is possible to have too much of a good thing. The girls learn that having their own apartment isn't as great as they thought it would be. Nicholas has a hard time adjusting to having his own room.
Both Elizabeth and Tommy learn that there is no easy way to success. Elizabeth wants to go to an expensive college in Vermont with a good dance program but Tom can't afford the tuition. Nancy takes a correspondence course in hair stying. Abby discovers a dance scholarship. Elizabeth can compete for Elizabeth starts studying dance with a professional dance compoany. Tommy tries to earn some sxtra money.
The crew encounter the System, builders and original owners of the Liberator (known to them as Deep Space Vehicle-2). They disable its defense systems in an attempt to try to get their craft back. A sister ship (DSV-1), in pursuit, is destroyed by Orac.
In 2977, mankind has space colonies, machines do all the work and everyone just wants to have fun. When deadly plant-based aliens that look like women attack the Earth in order to colonize it, only one rogue captain can stop them.
The life and adventures of the Ingalls family in the nineteenth century American Midwest.