Challenge of the GoBots

Dr. Frost and his nephew invent a device that can alter the Earth's weather, and Cy-Kill snatches it to plunge the Earth into a permanent ice age.

The Trindles recover their Tramulet with the Guardians' help, and turn Cy-Kill's plans against him.

The Guardians try to help a planet whose elfin inhabitants have been conquered by the Renegades, who have stolen the elves' amazingly powerful Tramulet.

The Guardians must defeat the invading aliens as well as the Renegades.

Nick, Matt and AJ are kidnapped at the heart of Gobotron, but when they escape the Renegades they fall into the hands of Wrecks, the leader of a gang of thieves, who enters Matt in a bizarre form of gladiatorial combat.

The Renegades hold a town's children hostage to force the adults to build a giant Ultra Zod, which will conquer Earth and then GoBotron.

The Guardians launch an all-out effort to find and destroy Rogue-Star.

The Renegades try to take over GoBotron by replacing the Guardian leaders with robotic ringers.

Cy-Kil reduces Leader-1, Scooter and Turbo to the size of toys, but when the tiny Guardians escape their enemies must shrink themselves to go in pursuit.

The Last Engineer decides to return to human society and leads an expedition of colonists to establish a New Earth on the far side of the galaxy.

Cy-Kill infiltrates the Guardian training academy, planning to disrupt the graduation ceremonies.

Cy-Kill uses Halley's Comet to sneak past the Star Fortress, which is guarding the Earth against Renegade attack.

The Guardians discover a lost race of Gobots in an underground city.

As a battle rages, Scooter tells Nick, Matta and A.J. the story of how Cy-Kill left the Guardians and became a sworn enemy of Leader-1.

The Guardians attempt to demonstrate their power by resuming construction on Gobotron, but the Renegades launch an effort to disrupt this display.

Scooter finds himself trapped in a crystal wall when an alien being uses uncanny powers to switch bodies with him.

Miniaturized to repair a computer, the Guardians must defend themselves against aggressive cleaner drones as well as a miniaturized Renegade sabotage team.

Both sides turn to the deranged but brilliant Dr. Braxis, first to destroy the Roguestar and then to save it.

Cy-Kill turns to an ancient Indian wizard for help defeating the Guardians.

When an archaeologist discovers the remains of the fabled continent of Atlantis, Cy-Kill takes advantage of the situation by unleashing a host of ancient demons to destroy the Guardians.

The Renegades and the Guardians compete to be the recipients of an ancient alien's vast store of knowledge.

When the Guardians discover a woman who can read Gobot minds, the Renegades disguise themselves as harmless carnival attractions to kidnap the psychic before she can reveal their plans.

Leader-1 turns evil when he's tricked into changing into a fake power suit, but Cy-Kill's plot backfires when he's deposed by the newly nasty Guardian.

Cy-Kill faces a threat from within as Zero rallies disgruntled Renegades into a faction that opposes both the Guardians and the Renegades; with Turbo and Crasher as hostages, the rebels set out to lure Leader-1 and Cy-Kill to their destruction.

Cy-Kill's toy reduces the human race to electrical impulses imprisoned within five crystal globes.

Cy-Kill 's second-in-command is captured by the Guardians.

A captured Cy-Kill is held temporarily on a remote prison planet, Elba, while a new Brainstorming device is readied; Fitor plots to rescue his cohort by defecting to the Guardians.

The Guardians must stop three fire-breathing dinosaur/monster hybrids.

Cy-Kill proposes a peace conference, and the Guardians must decide if the risk of trusting him is worth the possibility of ending the war.

The Last Engineer devises a plan - and a set of Power Suits - which could defeat the Renegades.

The last Guardians escape to Earth after the fall of Gobotron while Cy-Kill and Master Renegade begin planning the attack on Earth.

Cy-Kill and the Master Renegade finish the Roguestar and conquer Gobotron.

The Guardians locate a mysterious GoBot who repairs Turbo.

Cy-Kill escapes from the prison moon to rally his Renegades for an all-out offensive that leaves Turbo mortally damaged.

Cy-Kill threatens to set off geological disasters on the Earth unless the planet is surrendered immediately.

A bright teenager invents a weapon that interferes with Gobot circuits, and both sides are desperate to get hold of the device.

Cy-Kill abducts a blind boy who can see into the future.

The Renegades discredit Scooter so that no one believes him when he realizes Cy-Kill is planning a new mission.

Steamer defects to the Guardians, but they're suspicious when he reveals Cy-Kill's new scheme to overthrow Earth.

The Renegades beam the Guardians into a parallel universe where the unwitting Leader-1 and Scooter fight evil Guardians and ally with the good Cy-Kill, Crasher and Cop-Tur.

The Guardians move to stop Cy-Kill's latest scheme: stealing cargo-laden freighters to secure the materials he needs to build an undersea base.

The Guardians set out to uncover the Renegade spy in their midst.

An intergalactic sports promoter captures Renegades and Guardians, and pits them against each other on Gameworld.

Both sides race to locate the ruins of an ancient GoBotic spacecraft which was carrying a powerful weapon when it crashed into the South American jungle long ago.

The Renegade wreak havoc on Earth while disguised as Guardians, and the terrified humans ask Leader-1 to take his people off Earth.

Scooter trades in his holographic powers for a powerful new blaster, and learns that power isn't all its cracked up to be.

The Renegades create a super-powerful version of themselves, called the Puzzler, to combat the Guardians and their Power Suits.

The Renegades join forces with the criminal underworld to take over the United States.

Dr. Frost and his nephew invent a device that can alter the Earth's weather, and Cy-Kill snatches it to plunge the Earth into a permanent ice age.

When a giant robot designed to protect humanity from the Renegades turns against its creators, the Renegades are quick to take advantage of the situation.

The Renegades hold a town's children hostage to force the adults to build a giant Ultra Zod, which will conquer Earth and then GoBotron.

The Trindles recover their Tramulet with the Guardians' help, and turn Cy-Kill's plans against him.

The Guardians try to help a planet whose elfin inhabitants have been conquered by the Renegades, who have stolen the elves' amazingly powerful Tramulet.

The Guardians launch an all-out effort to find and destroy Rogue-Star.

The Renegades try to take over GoBotron by replacing the Guardian leaders with robotic ringers.

Cy-Kil reduces Leader-1, Scooter and Turbo to the size of toys, but when the tiny Guardians escape their enemies must shrink themselves to go in pursuit.

Nick, Matt and AJ are kidnapped at the heart of Gobotron, but when they escape the Renegades they fall into the hands of Wrecks, the leader of a gang of thieves, who enters Matt in a bizarre form of gladiatorial combat.

The Guardians must defeat the invading aliens as well as the Renegades.

Warlike insects invade the Earth thanks to Cy-Kill's space rift, but his plan backfires when the bugs prove too difficult to eradicate even for the Renegades.

Cy-Kill has Braxis create a weapon that can induce stars to go nova, roasting all their planets, and the Guardians must stop him before he can use it on the Sun.

Nick and Scooter are stranded on an alien prehistoric planet.

The Renegades persuade a disgruntled genius to use his new weapon against the Guardians.

A damaged Turbo is repaired by two teenagers who, unaware he's a GoBot, enter him into a Grand Prix race; when the Renegades spot him, the race turns into a demolition derby.

The Renegades lure Leader-1, Turbo and Scooter into a trap full of hungry Zods.

Cy-Kill cons a well-meaning alien into helping liberate GoBotron by attacking the Guardians.

The Renegades gain an ally in Trident, a cybernetic/human mix who takes the worlds' leaders hostage.

Cy-Kill re-programs Scooter, making him into a suicide bomber aimed at UNECOM's headquarters.

In an attempt to take over the Earth by traveling into the past, the Renegades accidentally go back to ancient Rome and are mistaken for gods.

The destabilized energy crystal has an unexpected effect on the struggle between good and evil on Gobotron.

Scooter and Turbo struggle to free Matt, Nick and A.J. from the pulsar generator's spell.

Leader-1 is shot by Crasher while attempting to destroy Cy-Kill's pulsar generator.

Cy-Kill and Dr. Braxis join forces to steal an experimental energy crystal.

Cy-Kill flees to Earth in the wake of his failed coup.

The GoBots are forced into a grudging alliance to defeat a race of enormous, metal-eating spiders.

Cy-Kill has Braxis create a weapon that can induce stars to go nova, roasting all their planets, and the Guardians must stop him before he can use it on the Sun.

Warlike insects invade the Earth thanks to Cy-Kill's space rift, but his plan backfires when the bugs prove too difficult to eradicate even for the Renegades.

When a giant robot designed to protect humanity from the Renegades turns against its creators, the Renegades are quick to take advantage of the situation.

The Renegades join forces with the criminal underworld to take over the United States.