When Mesogog, an evil scientist, unleashes Bio Zords on the city, former Power Ranger Tommy Oliver recruits three high school kids to become Power Rangers and tame the beasts.

The Rangers discover the identities of Elsa and Mesogog.

Conner, Kira, and Ethan reminisce about how their lives have changed after becoming Power Rangers.

As Tommy rushes to rescue Elsa from Zeltrax, the Rangers stage one last final battle against Mesogog.

When Mesogog releases his Bio Zords on the city, Tommy has no choice but to give three teens Dino Morphers to turn them into Power Rangers.

Conner is given a shot at playing professional soccer, but his Ranger duties impede upon this once in a lifetime chance. Will he give up helping to save the world for a sports career?

As Tommy is held captive by Mesogog, the teens work with Hayley to attempt to rescue him.

Utilizing Hayley's help, and their new Raptor Cycles, the Dino Thunder Rangers storm the island base on a mission to rescue Tommy from Mesogog's clutches. Will they get there before the Black Dino Gem falls into evil's hands?

Kira's old singing partner, the now famous Kylee Styles comes to town, just as Mesogo releases the Donkeyvac monster, who sucks the youth from people and turns them old.

Ethan is zapped into a video game.

As Trent's father purchases the Café and threatens to fire Hayley to put Trent in charge, Zeltrax releases a new creation to destroy the Rangers.

A new Dinozord Egg is uncovered by the Rangers during a class archeological dig, but Tyranodrones interfere, allowing Elsa to snag the Egg first.

When famous actress Nikki Valentine is captured by Mesogog to be used as a part of his evil schemes, the Rangers must save her and face off against Mesogog's newest monster named Megaldor. Meanwhile, Hayley uncovers a new Dino Egg, which hatches into the Stego Zord.

Trent accidentally bonds with the White Dino Gem, and becomes the White Dino Thunder Ranger.

The evil White Ranger finds his own Dragozord Dino Egg, and begins to bond it to him by feeding it energy from his Morpher.

Tommy discovers the identity of the White Ranger.

Realizing he is the White Ranger, Trent quits his job in an attempt to protect his friends.

A strange meteorite lands in the forest, and it's effects brings out repressed personality traits in anyone it comes in contact with.

Tommy, now freed from the amber, discovers he can't demorph from the form of Black Ranger.

While helping Tommy clean up his lab, Kira stumbles onto a secret bone.

A school bully sets his sights on Ethan. Meanwhile, Tommy discovers the true identity of Zeltrax.

When Conner, Ethan, and Kira find a show about Power Rangers in Japan, Conner is appalled at its portrayal of them. Meanwhile, the Japanese Rangers must go up against a money hungry monster named Ka-Ching.

When Kira lands a new job as an intern on the Funky Fisherman cartoon show, Cassidy is dismayed to discover she was passed over.

As Anton Mercer explains to Trent that Mesogog was an experiment gone horribly wrong, Zeltrax creates the Copyotter to attack the city.

Zeltrax samples a portion of the new Evil White Ranger clone's energy, and creates the White Terrorsaurus monster. With it, and the clone, he helps confuse the Power Rangers about their newest team member's loyalty.