Wonder Woman realizes that the fate of the world rests on her ability to prove the worth of mankind by saving an alien from outer space.
Mr. Edwards and Doc Baker help a nearby town with an epidemic case of mountain fever. When Mr. Edwards returns, a quarantine is placed on Walnut Grove. Alicia, Mr. Edward's adopted daughter comes down with the disease. Mr. Edwards tries to help his daughter. Laura, not knowing about the disease, goes to visit Alicia and Mr. Edwards. Laura ends up taking care of the both of them while they recover.
With time running out, Steve must do anything he can to disable the Russian space probe in spite of the fact that it is virtually indestructible and has numerous inventive capabilities that it uses as weapons.
Muppy, the favorite pet of The Muppet Theatre owner J. P. Grosse, becomes a prima donna when Kermit reluctantly allows him to do a musical number with Scooter. Muppy even gets his own dressing room and star billing, but Kermit draws the line when the dog asks to change the show's title to The Muppy Show. When Muppy locks himself in his dressing room and refuses to perform, Scooter does the number with Fozzie instead.
Lou wants to return a favor to an old Army buddy, but balks when he asks for a date with Mary.
The Doctor has broken through the barrier and found the Tesh. But he comes to an awful realisation about Xoanon.
Huggy introduces the Detective duo to a friend of his, opening up a new café, who unwittingly has clairvoyant visions. Starsky is sceptical of such psychic ability, Hutch more willing to believe.
Bob's invitation to lecture at a prestigious sex seminar results in distress when the audience shows up nude.
Wonder Woman joins forces with a friendly alien from outer space to prevent the destruction of the world.
The crew of Los Angeles County Fire Department Station 51, particularly the paramedic team, and Rampart Hospital respond to emergencies in their operating area.
Live from New York, It's...Ralph Nader Sketches include-- Ralph Nader wants to cut loose, Badmouthing Grandfather, Dress Rehearsal for Execution, The Confederate Takeover, "Baba Wawa At Large"" The Coneheads, "Youth Ask Questions", Andy Kaufman as Elvis, Testing Party Dolls.
The tax season has come and Fred and Lamont have been going through their inventory to prepare their tax papers. However, Fred gets preoccupied when he discovers Redd Foxx is in town holding a look-alike contest and Fred is certain he will win the contest and the $100 that comes along with it.
The cases of an easy-going ex-convict turned private investigator.
Erin's 1st love, Chad Marshall, comes back and asks Erin to be his wife. She agrees but John emphatically says no so Erin and Chad run off to elope.
As a dare to try to win a spot among a gang of high school thugs in the 1950's, Charley Belasco commits a crime that sends him to prison for 20 years. Upon his release, he goes on a murderous rampage to hunt down the the high school thugs who spurned him.