Power Rangers : Season 4

The Command Center lies in ruins, the Rangers frantically search the debris for any sign of Alpha or Zordon, they find neither, but stumble on a miracle in the form of the Zeo Crystal. Meanwhile, Lord Zedd and Rita's' celebrations are cut short by a coup on their lunar palace courtesy of The Machine Empire.

The teens begin to learn more of the Zeo Crystal powers whilst The Machine Empire prepare for their first strike on Earth, sending a spearhead of Cogs to test the defenses. Meanwhile, Lord Zedd and Rita bargain with Master Vile in hopes of sanctuary

Tanya's boyfriend, Shawn, intends to cheat on his exams rather than study to preserve his position as captain of the football team. Meanwhile, King Mondo escalates the scales and unleashes the monstrous Starroid to demolish Angel Grove. The Rangers battle the ferocious, rampaging machine in their new Zeo Zords

Rocky develops a romantic interest in his study partner as they wok on a new videogame. King Mondo dispatches his Cogs to take the program with the intent on applying it to his new machine, Silo. Rocky faces the wrath of his ice-cold partner as well as the deadly Silo as the Rangers confront it in a junkyard. Meanwhile, Billy begins work on developing new battle helmets for the Zeo Megazord...

Tommy and Katherine are given the responsibility of looking after a baby for a day, a youngster named Joey, whose persistent crying causes havoc when it is magnified ten fold by the Machine Empire's latest product, Boo-Hoo The Clown

Tanya's egotistical baseball boyfriend Shawn, leader of the School Baseball team, rears his head again when he begins to resent Tanya's superb ability at pitching the Ball, which soon leads to her being signed to his team. King Mondo unleashes the People Pitcher Monster

A talented police tracking dog called Smokey is looked after by Katherine, but Smokey's instincts lead both of them to uncover a meticulous drilling operation conducted by Machine Empire lackeys under the command of the Digster robot. Injured in a fall, Katherine is unable to morph and dispatches Smokey to find the other Rangers before Digster's operation unleashes a river of molten lava on the city...

King Mondo corrupts Puppetman, a machine that entertains children, and has him hypnotize the children of Angel Grove.

Whilst serving as movie extras in the filming of a new theatrical science fiction adventure, the Rangers find their lives on the verge of a permanent cut when Prince Sprocket intends to use them in his newest production. Trapped in a dimension where their fates follow the movie script, the Rangers must go against type in order to get out of their reluctant "contracts" before there left on the cutting room floor...

Billy is left with new choices in life due to a very early graduation, Bulk and Skull bear witness to the arrival of a spacecraft, from which emerges the Blue Aquitian Ranger. His people now at war with a race called the Hydro-Contaminators, he has come to Earth to seek Billy's' aid.

Rocky's new botany experiment creates a plant that can consume metal. When Skull steals part of his creation in an attempt to bring his own work up to speed, both are transformed into monstrous Pollinator monsters by King Mondo, whose mark leaves Rocky mutating into a living Greenhouse display...

King Mondo schemes to capture a mysterious Piano Player who keeps to the shadows at Angel Grove High, and plays the piano from music class after hours. Mondo intends to force him to play for Queen Machina's impending birthdaym a curious Adam is also interested in solving the mystery of the piano player's identity, and stumbles onto Mondo's plot. A pursuit begins, with the piano the victim, transformed into the monster Fortissimodo

The Rangers rely on fellow classmate Raymond to aid them in preventing King Mondo's attempts to hack into every major computer network in the entire city with the aid of the monstrous computer Mean Screen.

Returning home after settling his affairs on Aquitar, Billy's' ship is knocked off its' trajectory by King Mondo, leaving Billy trapped and spiraling towards the machine sky base, the Rangers battle the Machine Empire for control of a component necessary to power a magnetic beam that will retrieve Billy before he falls into Mondos' clutches

Reeling from a heartbreaking letter from Kimberly, the Rangers take a distraught Tommy to a Ski lodge retreat, where he meets Snowboarding champ Heather Thompson, whose life he also saves. Back in Angel Grove, Mondo deploys Robocupid to Angel Grove, where her devious powers create genuine feelings in humans for machines...

Tommy and Heather become more than fond of one another as the Rangers Ski lodge break continues, and they arrange more social outings. But with Robocupid on the loose, Tommy is called to deal with her threat, and Mondo isn't finished disrupting his social life as he is quick to deploy another creation, Defoliator

The Rangers battle Defoliator in Angel Grove and cease his rampage temporarily, but he proves to be made of sterner steel. Katherine decides to help out Tommy with his difficult interactions with Heather and arranges a dinner date for the two, but the threat of Defoliator ultimately comes between the two, and this time Heather has had enough. Will Tommy ever recover from his romantic problems?

Tommy's having strange dreams, reminding him of his encounter with True Of Heart during the Zeo Quest. This restlessness for answers to his riddles becomes a central issue, for when the Zeo Megazord is crippled in battle with an energy-leeching Main Drain monster, Tommy must put his emotions in order to successfully pilot the new Red Battlezord. But will an oddly familiar indian man named Sam Trueheart hold the key to Tommy's inner calmness, by directing him to a secret from his past? Meanwhile,

Tommy goes on a vision quest, seeking out the other half of the arrowhead he was given in "Sowing The Seas Of Evil." It's interrupted by the Punchabunch monster, who goes toe-to-toe with Adam, capturing the budding-boxer and forcing Red Zeo Ranger to face the monster in the ring to save his teammate. It all works out, as Tommy finds the solution to his spiritual unrest when he meets a man who claims to be his brother!

Tommy discovers the truth about Sam Trueheart's young son David, and together they complete a mystical Arrowhead they each own a part of , David explains that the Arrow contains great powers, and cannot fall into the hands of the forces of evil, which Mondo happens to soon learn, and makes preparations to take it, even if it means capturing David to do so.

While the Rangers are still trying to get the hang of pulling together the Zeo Megazord and Red Battlezord, Maceface remains at large. King Mondo, now with the combined arrowhead halves, prepares to make use of their great powers. Tommy's brother David remains captive in a cave beneath the Native American Reservation, which soon spawns a monster from an ancient evil spirit known as Autochthon. Meanwhile, Lt. Stone gives Bulk & Skull a psychiatric evaluation test.

Rocky attempts to befriend a stubborn blind Karate expert named Penny who believes every advance to be one of pity than comradeship. The Machine Empire deploy a pretentious defector monster to Earth who befriends Rocky, unaware of his true intentions to lure him into a devastating trap

Adam experiences a nightmarish scenario as he falls asleep watching monster movies. The Machine Empire has invaded Earth overnight and transformed many of Adam's friends into sinister scientists, werewolves, and satanic forces. Adam's journey takes him to Zordon, but even he has an unusual and perplexing task awaiting the Green Ranger...

Bulk's infatuation with the daughter of a high ranking officer soon puts both his, Skull's, and Lt. Stone's careers in jeopardy.

Tanya's potential new singing career divides her time between fulfilling an ambition and serving as a Ranger