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.

In the rubble of the destroyed Command Center, the Power Rangers find the Zeo Crystal.

The Rangers face their greatest challenge as Zordon explains that King Mondo is preparing to invade the Solar System, his final link in a chain of galaxies he already controls.

When Ernie brings a puppet show to the Youth Center to entertain the children of Angel Grove, Mondo and Machina hatch a plan to control the children's minds, by planting a transmitter on the Puppet Man.

Prince Sprocket recruits the Rangers to be in his own twisted movie; "Invasion of the Ranger Snatchers."

As Billy learns he has accumulated enough credits to graduate from Angel Grove High, Cestro, the Blue Alien Ranger, lands on Earth seeking Billy's help.

The Power Rangers return home to an explosive welcome on Earth from Ecliptor and Astronema.

The Rangers and Vypra battle it out in new advanced vehicles.