After 10,000 years of imprisonment, the evil sorceress Rita Repulsa and her loyal minions are freed when astronauts on a routine mission in space accidentally open her dumpster prison on the Moon. Filled with rage, Rita decides to conquer the nearest planet: Earth. But her arch nemesis - the heroic sage Zordon - has been patiently waiting in preparation for this day. With the assistance of his wisecracking robotic sidekick Alpha 5, Zordon recruits a team of five teenagers with attitude - Jason, Zack, Kimberly, Billy, and Trini - to receive superpowers beyond their wildest dreams and defend the Earth as the Mighty Morphin Power Rangers.