Professor Nimnul trains lab rats to follow the maze that mimics the city's underground tunnels in order to use them as a navigation system for his bank-robbing super-rat robot.
Divatox plans vengeance against the Rangers for ruining her plans at Muranthias as the Rangers finally graduate from high school. Zordon and Alpha leave the Rangers to go back home, and are replaced by Dimitria and Alpha 6.
To bring down beloved television star Flash the Wonder Dog, Fat Cat and his henchmen dress up in his costume and perform random acts of badness. Soon, the town is buzzing with bad vibes for Flash and the studio is replacing the canine with his cockatoo sidekick. Meanwhile, Dale gets a sobering meeting with his TV hero.
A trio of shape-changing aliens from the planet Fleeblebrox are vacationing on Earth. When it's time to leave, one of them, Ditz, decides to remain behind by tricking Dale into switching places with him.
To bring down beloved television star Flash the Wonder Dog, Fat Cat and his henchmen dress up in his costume and perform random acts of badness. Soon, the town is buzzing with bad vibes for Flash and the studio is replacing the canine with his cockatoo sidekick. Meanwhile, Dale gets a sobering meeting with his TV hero
This program introduces the series and sets forth the concept of inertia, the first law of physics: Things like to keep on doing what they're already doing.
The Rangers attend a human opera and discover it is being sabotaged. The culprit is the alligator Sewernose de Bergerac, who plots to replace the lead in the opera
While Fat Cat plots to steal the world's biggest pearl from a tank guarded by a vicious shark, Chip and Dale engage in a war of practical jokes that ends with Dale in Fat Cat's clutches
The Rangers agree to rescue Ku-Ku the gorilla's pet kitten Boots who was catnapped by Fat Cat. Fat Cat is holding Boots hostage, so that Ku-Ku will commit crimes for him.
The valuable French horse turns out to be a ring-in and the Saddle Club must find the real one and in the process they unmask the sneak thief. At Carole's surprise birthday party, Scooter discovers what good singers the Saddle Club are.
Gadget is tricked by her Hawaiian double, Lahwhinie into trading places with her right before the Hawaiian mouse is to be tested for her worthiness to become queen of the mice.
Professor Nimnul uses his Gigantico Gun on some pillbugs, and an unwitting Zipper, as part of his plan to fake an alien attack and extort lots of gold for "spaceship fuel".