After managing to break free of Deviot's control, Psycho Pink looks to retrieve the Savage Sword, leaving Kendrix and Cassie to stop her. But when the entire universe is threatened, one of them will have to make the ultimate sacrifice. Then, it's the Rangers vs. Trakeena to recover the lost Quasar Saber, but the Rangers receive help from an unexpected source.
While Villamax and Keglar build a laser cannon, the Rangers have to deal with Chameliac, who can copy all their moves and powers. Then, Deviot restores the Psycho Rangers, so the Galaxy Rangers team up with the Space Rangers to stop them once and for all!
This is it! The United Alliance of Evil begins it's attack on the universe. After succeeding in taking over most of the universe, Astronema begins the assault on Earth. Hopelessly outnumbered, and with no help available, can the Power Rangers possibly save the Earth and the universe? And what of Zordon?
While Darkonda keeps the Rangers busy on an alien world, Ecliptor infiltrates the Astro Megaship to find the location of the Mega Voyager. Then, Astronema sends Tankenstein to attack the Rangers. The Rangers come out victorious both times, but suffer heavy losses in the process.
While looking for Zordon, Andros saves a servant from his evil master. Now the master is after his servant, and revenge! Then, Andros, Carlos, and Sophie are taken, along with tons of other people, to a secret city to be turned into Astronema's army. Then the Rangers infiltrate the Secret City to save the kidnapped people from being turned into datacards, but also have to deal with the reconstituted Psycho Rangers.
After the remaining Psycho Rangers start tracking the Rangers by their voices, Cassie needs to escape Angel Grove Mall without making a sound. Then, after the Psychos steal the Mega Voyager, the Rangers trace them to another planet for a final confrontation.
While Cassie and Ashley have a argument, Ashley is taken by Psycho Yellow, who disagrees with Psycho Pink on how to defeat the Rangers. Then, TJ tries to figure out a way to confuse the Psychos in battle.
Astronema unleashes the Psycho Rangers, each of whom are faster and stronger than the Power Rangers. But she also has an ulterior motive for their existence. Then, after Carlos transforms in a photo booth, he is now at the beck and call of the child who finds the pics.
Dark Specter sends an asteroid toward Earth, capable of wiping out everything. Karone tries to stop it, but is captured. Can the Rangers stop it in time? And what will happen to Karone?
Dark Specter tells Astronema that she must destroy Andros, but she's starting to remember her past as Karone. Can she kill her brother? Then, can the Rangers trust Astronema to take them to Zordon, or will she end up betraying them?