Sat, Feb 20, 1999
Diane is suffering a mid-life crisis in which she tries to look younger and after a trip to the museum with her husband and son, she finds out about a spell that could make her younger. Diane translate the tablets against Wayne's wishes and unknowingly wakes up as an evil princess. Now it is up to the Szalinski team to fight the evil princess and get Diane back. Meanwhile, the chief tries to beat Wayne in a spring decoration contest.
Sat, Apr 24, 1999
Amy's science teacher quits unexpectedly so her dad volunteers to teach. He makes a formula to make him charming so that the students will like him. Amy catches him and tries to alter the formula, however something goes wrong and the formula makes Wayne act like a bad person. Now it is up to the rest of the family to find a way to get Wayne back. Meanwhile, Diane and Nick try to give Quark a bath.
Sat, May 8, 1999
A new boss has taken over Jentech West and there is a new guy. Wayne's uncle finds out some info about this guy after Wayne told him to leave him alone and not interfere. This turns out to be important info because the guy who became Wayne's new supervisor steals inventions and patents them as his own.
Sat, May 22, 1999
While Wayne and Diane are out celebrating the anniversary of their first date, Amy's party is crashed by a group of aliens contacted by Nick using one of Wayne's communication gizmos. One of the aliens, through his bizarre home world customs, marries Amy after using a device to make the family somewhat subservient to her. Finding out their true origins, Amy demands her family be turned back to normal and their "marriage" be ended. Both are undone and he aliens part ways on good terms.
Sat, May 29, 1999
Wayne invents an invention called the 3iDer which turns people into different people. The invention and Wayne got nominated for the inventors recognition achievement award. An evil clown tries to steal the invention and frame Wayne so it is up to Team Szalinski to stop this clown and clear Wayne's name.
Sat, Sep 25, 1999
Wayne goes back in time to prove to his family that the Bopkas and the song he likes really do exist. There he finds out that they are Russian spies with plans to take over the world by overthrowing parents. The family goes back in time to help him stop them. One question remains if they never sang the song, then where did he hear it?
Sat, Oct 9, 1999
Diane's sister, Elaine, is in town and as Wayne doesn't like her he invents something so he can't understand her. As usual Wayne's creation goes wrong and Elaine's personality gets into Wayne's brain. Now the family must work together to get everything back to normal without the help of Wayne.
Sat, Oct 16, 1999
Wayne and the kids settle down to watch television during a big storm in town and he has invented a remote control that will bring any TV shows you could ever watch from the past to now. Somehow they get sucked into the TV so when Diane and the Chief come home and finds them in the TV they need to try to get Wayne and the kids out.
Sat, Nov 6, 1999
Wayne is busy trying to perfect his Hypolyptical Organic Oxide Ray (a.k.a. the Hoo-Ray), a device based on mood-ring technology that will cause people to be happy, thus ending war and boosting global self-esteem. Wayne's new foreign assistant, Vlad Bolvahnicz, cautions that changing nature isn't necessarily a good thing. While working late on the project, Vlad is visited by members of the Global League of Oppressed Madmen (GLOOM). Vlad is actually an anarchist too, and his job at Jentech is part of GLOOM's eco-terrorist plot to teach the industrialised, polluting Western hemisphere a lesson by destroying a key polluter city.
Sat, Nov 20, 1999
Jennings bets his company on a golf game even though he can't play very well. He asks Wayne to build golf clubs to help them win but Jennings gets hurt so Wayne has to play. Meanwhile Diane, and the kids are feeling crowded with Wayne's invention so they decide to sell the stuff they don't use but after a while people don't like them so now they have to get them all back.
Sat, Nov 27, 1999
Randy Rude the Science Dude comes into town to visit and he wants to get married so Wayne tries to fix him up with the love chair and love booster. Something happens when Randy tries to leave with the van and presses the booster button that blasts them into space. Or are they really in space?
Sat, Dec 11, 1999
Amy begs Wayne to direct a play to save a community theatre. He reluctantly agrees and finds people coming to his doorstep to try out. Meanwhile, three aliens came to the house to fix their spaceship. The aliens came here since they know Amy and the family. Some bad guys are after the aliens so the family is on the look out whilst also being in the play.