Billionaire treasure hunter Andrew Hartford finds the ancient Corona Aurora. But in the process, he unknowingly awakens two warring alien brothers.

Mack joins forces with Tyzonn, learning that the reptilian creature is actually a human from the planet Mercury, cursed by Moltor.

The son of Lord Zedd and Rita Repulsa, Thrax, unites all four Corona Aurora-seeking factions of villains into a new Evil Alliance.

No longer having Ranger powers, the former Overdrive Rangers return to their civilian lives.

The Rangers get a day off and plan a relaxing picnic in the forest. Unfortunately for Rose, Tyzonn is obsessed with getting to know her better.

Ronny runs into a stubborn obstacle named Will while trying to throw a Halloween party.

Norg and Will strike up a strange alliance in their attempt to find the Fearcats' secret hideout.

After learning about his true robotic nature, Mack starts to go through an identity crisis.

Mig and Benglo utilize the power of the Octavian Chalice and unleash the mighty Agrios, a giant robotic creature.

The Rangers return to Egypt and then travel to Japan in their heated quest to find the key to unlock the last hidden jewel.

With the ultimate power of the completed Corona Aurora at his disposal, Flurious freezes all of San Angeles and prepares to conquer the world.