Wayne stays in the lab to write a best-selling thriller about a private detective named Wayne Wolff.
Wayne's shrink ray malfunctions and minimizes Wayne, Amy, Jack and the Chief.
Nick makes a potion that transforms him into an adult.
The Canadian Secret Service asks Wayne to help stop an evil man.
The spirit of an insult comedian from the Wild West possesses Amy's body.
Diane must pass a difficult test in order to become a partner at her law firm.
The Szalinskis get caught in the middle of a string of jewelry heists.
Amy's story about Wayne lands him in trouble with the mob.
Wayne's plan to go to a concert behind Diane's back backfires.
Diane is accidentally zapped by a machine that turns thoughts to reality.
Wayne accidentally designs a pair of glasses that allow him to see the future.
Wayne tries working as a stand-up scientist.
Wayne must direct a play in order to save the Matheson Community Theater.
Wayne designs a car for Amy that includes a mannequin named Safe-T-Guy.
Randy Rude the Science Dude wants to get married; Wayne helps Randy find his match.
Jennings bets the business on a golf game, but he can't golf; Wayne invents high-tech golf clubs.
Wayne must figure out a way to keep Ninjas from invading the town.
Wayne works on a device that will achieve world peace.
Wayne and the kids are sucked into their television.
Wayne's brain buffer malfunctions; Wayne ends up with his sister-in-law's personality.
Wayne brings the brain of a man back to life.
Wayne travels back to 1963 to get the lyrics to a song.
Wayne's negative remarks about magic insult a trio of witches.
Wayne makes the finals in the achievement of the year competition.
A busy night at the Szalinski's ends up with three alien teens crashing Amy's karaoke party.
While lost in the woods, Wayne's competence as a scientist is questioned.
Wayne accidentally summons the ghost of his Uncle Cosmo; guest Tom Poston.
Wayne volunteers to teach Amy's science class.
Mr. Jennings enlists Wayne to help him find a wife; Amy, Nick and Chief McKenna come down with chicken pox.
Diane translates a Druid spell and unwittingly releases the spirit of a Celtic princess.
Digitally enhanced Princess Amy declares herself Mistress of the Universe.
Mr. Jennings' plans for the Szalinski Burp de Ville have a disastrous effect on the future.
Wayne's superhero suit still has some bugs in it when marauding off-road bikers come to town.
Alchemist Wayne dabbles in the occult to save Jentech Industries.
Wayne, Diane and Amy join the circus to rescue kidnapped Nick.
Nick reanimates the science club mascot.
Dinner at the Szalinskis proves too much for professional wrestlers.
A camping trip, Wayne's Bivouac in a Box and a lightning storm send the Szalinskis back thousands of years.
The Szalinskis get old, while the McGanns grow younger by the minute.
Szalinzki gizmos make little-leaguer Nick invincible.
Wayne's latest invention makes scary stories come to life.
A populated asteroid is headed toward Earth.
An untested cream helps Amy swim like a mermaid, complete with scales.
Quark eats mutant veggies and turns into a 50-foot monster.
Wayne's space-alien friend, Ar'nox, loses his star cruiser to hijackers.
Instead of altering skin tones, Wayne's "chameleonator" makes people invisible.
Biohazards mutate Wayne's Refuse Ingesting Protozoa (RIP) into garbage-eating zombies.
The prospect of dissecting a frog gives Nick nightmares.
Wayne (Peter Scolari) becomes a secret agent to thwart a disgruntled ex-Mountie's plans to blow up the moon. With Barbara Alyn Woods and Hillary Tuck.
Wayne infects Jentech's new teddy bears with a computer virus that makes them evil.
Wayne distills pheromones from chocolate, creating an aphrodisiac.
An abominable snowman rescues Amy after she twists her ankle.
Wayne's "thinky-ring" turns Nick into a megalomaniac.
Wayne and three Vikings help with Diane's school-board campaign.
Overcommitted Wayne accelerates his molecules and becomes the world's fastest man.
The Memory Lane Mobile lets Diane recapture her teenage self.
Amy uses Wayne's new invention to advance her social life.
Old West desperados hijack a UFO for their nefarious work.
Wayne's newest gadget finds gold; leprechauns follow.
Wayne accidentally clones himself, which complicates things.
Wayne's gadget puts a cat's brain in Diane's head.
Wayne's shrink ray ruins Nick's science-club assembly.
Amy uses the time machine to meet a teenage Mr. O'Donnell.
An invention lets Nick see ghosts, and he befriends a spirit which takes over Wayne's body.
Wayne's home security system develops a mind of its own.
Grandpa unwittingly swallows miniaturized Wayne, Diane and Amy.