In an original script, the Rangers were supposed to fight giant Rat Monsters that Ivan Ooze created. Because the suits didn't work well enough and looked "too low budget" for the movie, the Rat Monsters were instead replaced by the Ooze Creatures that Ivan creates in the film. However, the Rat creature suits didn't go to waste either. Instead, they would later appear in the "Return of the Green Ranger" storyline of the Power Rangers television series.
When Ivan Ooze tells Zordon of all the things he had missed when trapped inside his containment egg, the black plague and the Spanish Inquisition were scripted examples, but actor Paul Freeman ad-libbed the last line, "The Brady Bunch reunion!"
When the Ectomorphicans first begin to destroy the city, the sky is cloudless. However, the reflection in Scorpitron's metal body shows a sky full of clouds.
When Dulcea first appears, she splits her staff into two smaller sticks. She first spins them around by turning her wrists. In the next shot of her, she is holding handles to spin them around.