Alien Rangers defends the Earth against Master Vile and his army of monsters.

Billy and the young Rangers devise a scheme to outsmart the monsters.

Billy and the young Rangers attempt to free the Alien Rangers from a toxic lake.

Rita and Zedd turn Bulk into the Brat Boy monster.

The young Rangers search for their pieces of the Zeo Crystal to recover their powers.

In the distant past, Adam searches across Korea for his Zeo Crystal.

Tommy and Katherine continue their search for their individual Zeo Crystals.

Zedd and Rita send the Hydro Hog to Earth to suck up all the water.

Aisha faces a difficult decision in her Zeo Quest while the Alien Rangers battle Hydro Hog.

When the Gold Ranger is attacked by Varox Bounty Hunters, Pyramidas is hit, and falls into the seas of the planet Aquitar.

Everyone is stunned when it is revealed that Billy has aged into an old man.

The Power Rangers Zeo team up with the Alien Rangers of Aquitar to combat a double threat from King Mondo and Lord Zedd.