Following an Earthquake, the undead forces of darkness, sealed deep beneath the magical dimension hidden within the woods just outside of a city called Briarwood, are freed from their years-long imprisonment. A sorceress named Udonna seeks out five brave teenagers to combat them, and finds those foretold working at a record/comic shop four of them work at, called Rock Porium. The fifth, a reluctant loner and new guy in town named Nick, fails to believe in magic as easily as the rest. Can the team come together before evil conquers both worlds?
The Knight Wolf Koragg defeats Udonna in a giant battle, and removes her ability to morph. This means the four teens will not have the luxury of time to train, and must become Mystic Force Rangers immediately to take on him and his Hidiacs. But with the easily disillusioned but brave Nick still not feeling the magic within him, the team lacks a Red Ranger!
Vida and Chip try to unlock more items for their Ranger arsenal by performing "heroic deeds for hire", but learn that true heroism comes only in the face of danger. The Hydra Worm that created the underworld pit Morticon and company are trapped in, poses a growing menace to the surface world. To make things worse, the Mucor monster is sent, with an appetite for our heroes! Also, a mysterious figure saves Clare. Is he friend or foe, troll or goblin? Or neither and both? Nick finds out!
Necrolai has her monster turn various people in Briarwood into stone statues for her garden! Madison, while barely saving her new guy friend, ends up rock solid herself, which doesn't sit well with her sister, nor Nick, who unleashes the power of the Phoenix on the monster.
The others think Nick stole some money. Nick hears voices in his head and finds out its Koragg. Koragg battles the Rangers and steals their Megazord power. Secrets were kept and feelings were hurt but in the end the Rangers promise to be honest with each other.
A new DJ, DJ Fly comes to town. Chip finds out that DJ Fly is really turning the teens of Briarwood into vampires, including Vida. After destroying the Fly Trap Monster, the teens turn back to normal. All except Vida who still remains a vampire.
Xander has a big zit. He thinks he can get rid of it by using a perfection potion. Instead Xander starts turning into a tree. Vida has to help Xander and then the Rangers have to protect and figure out the secret of the Fire Heart.
The gates have been raised and Morticon is set free. Nick goes to save Clare while the others hold off Morticon. Clare uses the rest of her powers to lower the gates. The Rangers destroy Morticon with the help of the White Ranger.
Imperious turns into Calindor and tries to persuade Udonna into believing he can help Mystic Force. The Rangers are busy trying to fight Jester. When the curse is lifted from Daggeron, everyone finds out what really happened long ago and that Calindor is evil.
Koragg decides it's time to fight Solaris Knight. Gnatu steals life force from civilians when the Rangers come to stop him. Chip accidentally stumbles upon a soul specter as they battle Gnatu. Daggeron must save Chip from the soul specter while battling Koragg.
Imperious has wished the Power Rangers away. The world has lost its color and evil now rules. The Tribunal of Magic is the only entity that can reverse the wish. The teens go to the Tribunal of Magic and their request is denied.
Imperious makes Koragg stand trial for his countless failures. In the end, Koragg argues that he fights with honor. Imperious does not and should not be trusted. The master agrees and returns Koragg's power to him.
Daggeron and Udonna finally tell the Rangers, in detail, the full story of the Great War... including revealing to them the stories of the sorcereress' husband, Leanbow, and long-lost son, Bowen. Meanwhile, Imperious realizes the best way to usurp the Master is get rid of Koragg.
The Rangers battle a powerful Hunter, who is intent on capturing Nick for the other Terrors. Nick watches on as his friends are slowly captured. To save the day he must learn about his connection to Fireheart.
Hekatoid has captured Udonna and the Rangers chase after him in his own dimension in order to rescue Nick's mom. Daggeron is in the real world trying to stop all the tadpoles Hekatoid has lain to destroy the world.
The Master chooses one of his servants to be his body when he returns, but his chosen one runs away. He encounters Vida who trusts the kind monster and tries to hide him from the the Master's servants. The rangers tell Toby of their secret identity, and introduce him to Phineas, his newest employee. Udonna searches for Leeanbow.
Actually a 2 part episode. Part 1 Nick's father has returned, and is helping Nick train. The source of evil decides it's time to attack, and possesses Nick. The Rangers go to a village that's been attacked, and find out that Nick was responsible. Leeanbow manages to break through to his son/stop his attacks. The Snow Prince arrives, the mystic mother has been attacked Daggeron and Leeanbow go to find her. Meanwhile some of the sources 10 terrors attack the city. The rangers and Udonna try to defend as best they can. Part 2 The battle isn't going well. Leanbow and ...
In the final confrontation with The Master, the Mystic Force has suffered great losses. With Daggeron and Leanbow defeated, the Rangers must use all their magic to try and save both the Surface World and the Magical Realm.