When an exiled evil ninja master returns to Earth to take control, three misfit students from the Wind Ninja Academy are given Morphers to become Power Rangers and defend the planet...

Afrer failing a training exercise, Shane ignores Sensei's advice on woking with his fellow Rangers, blaming them for their inability to pass the test. Later, when confronted by the Mad Magnet Monster, Shane elects not to depend on teamwork and challenges the monster himself, with the remaining Rangers forced to look on by Sensei without intervening until Shane asks them to join him in battle...

Tori gets mad at Shane for thinking of her as a tomboy not as a girl and by scaring away a hot guy. Also she receives a letter saying she is going to do a photo shoot but it is really a trap.

Dustin's teammates worry about him when he spends too much time at the track with his new friends Hunter and Blake. He finally comes to his senses, and plays a key part in defeating Lothor's latest monster - the Terra Mole.

The Thunder Rangers finally strike, defeating the Wind Rangers with their own Tsunami Cycles and Zords because Dustin accidentally lost his backpack that had the backup disk of all Cam's work.

When one of Lothor's aliens attack Tori, Blake tries to protect her but he gets injured. So Tori brings him to ninja ops so Cam can help him. Blake, being an Thunder Ranger infiltrated ninja ops and kidnapped Sensei with the help of his brother.

The Thunder Rangers finally learn that it was actually Lothor who killed their parents, and leave his side.

Seeking to play a more active role in the adventures of the Rangers, Cam sets out to help defeat Lothor's latest plant based creature.

Tori goes on a quest to retrieve the Turtle Mace Power Sphere, which the Rangers later use to destroy the Snipster monster who cause people to not get along.

While infiltrating Lothor's ship, the Thunder Rangers are captured and turned against the Wind Rangers, who already have their hands full battling Toxipod. Choobo sabotages the battle, disabling the Zords, and teleporting the Wind and Thunder Rangers to a deserted island.

The Wind and Thunder Rangers battle on a deserted island, but as Hunter and Blake regain their memories, Lothor deploys the Toxipod to ensure they remain subjective to their distorted version of reality. Hunter is again affected in the ensuing battle and turns on not just his friends, but also Blake...

As the island begins to sink, the Rangers learn the origins of The Thunder Rangers and continue in their valiant efforts to try and free Hunter of the spell he has been placed under. Meanwhile,m Choobo visits the island and Lothor unleashes a giant Toxipod just as Cam finally locates the Rangers....

. The Thunder Rangers are confronted by Choobo, exiled from Lothor's space fortress and eager to exact some payback on his enemies...

Shane and Hunter must learn to work together to defeat Lothor's latest monster, the Boxing Bop-A-Roo.

General Trayf captures the Thunder Rangers, and lures the Wind Rangers into his dimension. They defeat him with the Storm Striker and the Storm Megazord, and the Thunder Rangers free themselves from captivity.

Cam goes back in time, to the time when his father was a student. He gets his mother's amulet which makes him the Green Samurai Ranger.

Traveling to the past, Cam uncovers the history of his father as he tries to protect him and his fellow students from another envious and more unruly pupil..

Both Cam's stamina and new Samurai Ranger powers are put to the test when he is infected by an insect monster

A duplicate Cam created to help out at Ninja Ops tries to take over, and nearly costs the Rangers a battle against Fragra, who turns Dustin and Tori into bottles of perfume.

Lothor seizes control of the airwaves and broadcasts a television show that convinces people to admire him...

A young boy named Charlie gets a hold of the Personal Alien Manager, and unwittingly unleashes havoc on the city by tinkering with it.

Marah gains Dustin's trust and uses him in her plot to have her friend Beevil destroy the Rangers.

Sensei switches bodies with both Shane and Dustin, and helps the Rangers defeat the new monster Footzilla

Dustin's fame as the Yellow Ranger gets to his head, causing a rift between him and Shane.They eventually make peace with each other and defeat Lothor's latest monster Slob Goblin. Meanwhile, Blake and Hunter visit their adopted grandmother.

An old friend of Shane's returns, an alien with incredible power, but she brings in tow her relentless pursuer, Vexacus

Shane gains a new weapon at a heavy price when Vexacus closes in on him and his alien freind....

The Rangers accidentally bring to life an ancient statue, releasing an ancient evil known as Shimazu. The Rangers are forced to contend with ferocious wolf-like monsters unleashed by this new threat, but is their strength enough?

Cameron uses the Ranger's power discs to enter a mysterious realm where he discovers a weapon that could turn the tide in the battle against the Wolfblades, the Lighting Riff Blaster. When the Wolfblades once more attack, the Rangers are forced to contend with them in their Zords with no additional discs, can Cameron activate the Blaster's powers in time?

Tori is transported to another dimension where the Rangers are evil. She joins forces with Lothor and his forces

Blake recalls his ninja training with a special weapon from his Sensei to defeat the new inflatron monster.

Shane's successful brother comes to visit. Shane feels that he is a disappointment to his family but his brother learns that he is a power ranger and changes his mind. Meanwhile, one of Lothor's aliens, Eyesac strikes

The boys decide to go camping but Cam staying at Ops. Tori thinks they aren't "roughing" it since they have a tv, a fan, a generator to power all of their stuff, etc. Zergane drops in and ruin their fun.

Zurgane uses the Rangers' own powers against them, as he equips his new Zord with data from the Power Spheres. The Rangers destroy it by combining the Hurricane Megazord with the Mighty Mammoth and all of their Power Spheres. Zurgane is then destroyed by the scheming Vexacus.

Using gem of soul fragments stashed away by Hunter, Cam infiltrates Lothor's ship to free the captured ninja students. When Cam is needed back on Earth, and is found by Lothor, he is forced to give up his rescue mission.

Mara and Kapri ally with Shimazu and pilot new, deadly zords to combat the Rangers

The Rangers are selected to showcase their respective talents in the US Action Games. Meanwhile, Lothor prepares the final stages of a scheme set in motion by destiny itself, as he seeks to unleash the evils within The Abyss of Evil, hidden beneath the sight of the Action Games. The Rangers face their greatest challenge

Lothor discovers and destroys Ninja Ops, but leaves behind a radically changed Sensei. With renewed confidence, the shattered Rangers unite to take on Lothor's new Zord and the forces of the Abyss of Evil as it opens, releasing every evil they have faced and more. When it's all over, the Rangers will face Lothor himself, but will their powers be able to withstand the villain's final trump card?