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

Hartford is kidnapped by Moltor, who also steals the Corona Aurora. Mack must prove himself as the Red Ranger and aid the team in saving his father.

Will's self-reliance causes friction within the team. The Rangers seek one of the Corona Aurora gems in the underwater ruins of Atlantis.

Dax rescues a girl named Mira from a monster attack and they quickly become a couple.

After putting a bystander in jeopardy, Mack doesn't feel he's cut out to be a Ranger.

Searching the island of St. Lucia for the first jewel of the Corona Aurora, the Rangers stumble upon the ghost of Brownbeard, the pirate.

Ronny's competitive nature begins to annoy her teammates. Will things get worse when she butts heads with Mack over first usage of the latest weapon?

Will is fired by Hartford for selling Zord tech on the side! Taking his Tracker with him, the Black Ranger joins up with Miratrix.

Flurious and Moltor put aside their sibling rivalry and combine forces against the Rangers.

Dax gets his big break as an actor, but Mr. Hartford refuses to allow him to take the role, since it may conflict with his Ranger duties.

The Rangers visit Rose's college in London to try to get the parchment deciphered, only to lose it to Tyzonn, Moltor's latest alien lizard henchman.

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

The search for the next jewel leads the Rangers to Portugal and then to Brazil, with a new group of villains always one step ahead of them!

It's up to Mr. Hartford to restore the liquidized Tyzonn to his human form.

Tyzonn gets trapped between his human and mercury forms! Can he be saved in time to aid the Rangers against the Giant Robot-piloting Fearcats?

Will attempts to teach Tyzonn how to blend in on Earth, but when the Mercurian starts to copy Will a little too closely, they clash.

With the Cannon of Ki Amuk and Mjolnir in their possession, the Rangers track the next clue to Mexico.

Having swiped the Paedra Aztec Del Compass from the Rangers, Moltor puts it in the possession of his old friend Blothgaar.

Using the compass, the Rangers finally find the Third Jewel of the Corona Aurora.

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.

While battling one of Kamdor's monsters, the Rangers get their computer systems infected with a virus.