After Biff plans to evict Jennifer's family from their ranch, Marty goes to the Old West to stop Biff's family from getting the ranch deed.
While the Turtles are busy trying to decide what costumes to wear to this year's Channel Six Halloween party, April and Irma are doing a story on the reverse polarity magnet at Magno-Dyne Labs.
D.W. gets the D-2000 super-computer! While it seems to be perfect, Launchpad feels it's replacing him as sidekick, and Gosalyn is fed up with not getting away with anything, and introduces it to Launchpad's soap-operas. Soon, even darkwing wants the machine gone when it falls in love with him. Darkwing finally tells the computer system it's getting unplugged when he gets to the tower, at which point it goes berserk and decides that if it can have D.W. noone else will!
Talk about your Jurassic Park situation! Max finds an egg and it hatches into a baby dinosaur!
Duncan McLeod is roused from his peaceful existence with the love of this life, Tessa Noel, when he is challenged to Immortal combat by Slan Quince, an Evil Immortal. An old friend and Clansman, Connor MacLeod, comes to try and convince Duncan to once more join the fray in the battle of Good versus Evil. This episode also introduces Richie Ryan, a kid from the streets whom Duncan befriends after catching him breaking into his antique store.
Conan and his friends go to the magical city of Xantos for help with Conan's parents. They meet Greywolf, a young magician, as well as his brother, sister and Mesmira, a visiting sorceress from Stygia. But she turns out to be bad news.
The Planeteers are given a tour of a new "Perfect World," a world with no pollution, clean farming and little potential for environmental backlash. All is created within a computer environment, but Dr. Blight and MAL infect this would-be "paradise" with a shot of viral pollution...
A family moves to a small house in the summer where they befriend a young man, where the family starts feeling weaker every day.
As the annual masquerade ball approaches, Zack and Slater make a bet about who can kiss Tori first. However, when she discovers their scheme, she decides to get revenge, while Screech's love letters to Lisa cause all manner of mix ups.
If Zack can just get out of detention with Mr. Belding, he can win a trip to Hawaii. Instead the whole gang ends up in detention with him, trying to get him out.
A corporate magnate offers Teddy a lucrative deal for her apparel business; Georgie's binging in her last weeks of pregnancy alarms all.
Rose suspects Miles has been unfaithful to her when his name is found in the hotel registry dating back several years.
Max falls for a dwarf who rides into town on an elephant, which the dwarf says was being abused at a circus. Jill tells Kimberly's favorite teacher, Mr. Pankow, that he has a brain tumor.
Earl does the dirty work of organizing a civic protest against the TV powers-that-be when the baby repeats (constantly) a dirty word that he hears on the tube.
Carlene allows herself to be seduced by her ex-husband, then admits she was just using him for sex.
To outdo the "superdad" of Al's friend, Frank enters a Human Fly contest in which he has to bounce off a trampoline and stick to a wall.
Home-coming Queen Laura gets the royal treatment from Urkel, who gets popular jock Ted to ask her to the dance; Carl meets Harriette's new piano teacher..
Max and PJ got a rock band going on, and Goofy joins in- with a Ukelele?!
Pete gets Goofy a job as a city inspector, but regrets it when Goofy inspects his business.
Eddie and Richie join Mrs. Lineker's Love Bureau hoping to find their perfect women. Richies video tells the viewers that he is, in fact, a Duke and this gets him a date with a countess from Moldavia. He invites her to his place and arranges for Eddie to pretend to be his butler for the evening.