After years of peace, Decepticon activity starts growing near Earth's Energon deposits, which leads to the disappearance of Autobot Cliffjumper. As the fight between the two sides starts anew, three human teenagers get caught in the middle. Written by Vihktor-24

When the Decepticons start experimenting on Cliffjumper's body with the fabled Dark Energon, the Autobots pick up the life signal of their lost comrade. They hurry to the site, where they find a huge Energon mine, under Decepticon control.

The Decepticons, in order to find the Autobot base, capture and torture Secret Agent Fowler, and it's up to Bulkhead and the three human kids to track him down. Meanwhile, Megatron raises an army of undead Transformers.

The kids, along with Bulkhead, Arcee and Bumblebee storm the Decepticon ship to rescue Agent Fowler, and come across the blueprints for a secret plan. During this, Optimus Prime and Ratchet fight against Megatron's army of undead Transformers. Written by Vihktor-24

Through his Space Bridge, Megatron raises the dead Transformers of Cybertron, and summons them to Earth. The Autobots have to find a way to sabotage the Bridge, or else their new home will be destroyed by the legion of undead Decepticons.

Starscream frees the ancient warrior Skyquake from his tomb, with the hopes of recruiting him and making him his student. But Skyquake has his loyalties elsewhere, and clashes with Optimus Prime and Bumblebee for his own reasons.

While Optimus Prime and Arcee are out investigating the Arctic, a swarm of tiny, metal-eating machines called Scraplets infest the Autobot base. Not only do the residents have to keep themselves from getting eaten, they also have to repair the Ground Bridge, or else their two comrades will freeze to death. Written by Vihktor-24

Starscream, still in the command of the Decepticons, intercepts the signal of the Autobot warrior Wheeljack. Kidnapping him, he slips an impostor into the Autobot ranks. The impostor's goal: to locate the enemy base.

The Autobots help Agent Fowler escort a dangerous device known as D.N.G.S., but their convoy is soon attacked by the mysterious evil organization M.E.C.H., led by the crazy ex-military Silas.

The Autobots locate an ancient Energon Harvester in Greece, left there by their very ancestors. But so do the Decepticons who, with the help of Knock Out and Breakdown, manage to steal the device. Meanwhile, Miko has to learn a lesson about the importance of school. Written by Vihktor-24

Jack takes Bumblebee to an underground street race, and encounters among the competition the vainglorious Decepticon racer KnockOut.

Arcee takes Jack on a routine mission looking for an energon deposit, instead finding the crash landing of Aracnid. After trying to contact base and stopping Aracnid from attacking an innocent human, Arcee can do nothing but sit helplessly watching as Aracnid chases down Jack. As she struggles to free herself from her demons and webbing, Jack runs towards Aracnid's ship. Foolishly, Aracnid believes Jack went inside her ship looking for a place to hide, but soon realizes that he was outside doing something else. Arcee manages to free herself, and drives to jacks rescue. In the end they contact base and go home. Written by trans-fan-ROD

Ratchet detects the Decepticon Warship but also detects an emergency Autobot signal on the same frequency. Optimus and Ratchet go to check out the signal and they find all the Autobots on the ship have perished. Ratchet finds that all the Autobots on the ship perished from an ancient Decepticon virus. Optimus becomes infected by some infected energon. Arcee and Bumblebee groundbridge to the decepticon Warship and find megatron's body where Ratchet tells arcee to use a Cortical Psychic Patch to go into Megatron's mind to find the cure. Written by jmocniak

Megatron gains control over Bumblebee's mind in an effort to revive his own comatose body, while Starscream, still preening himself as the Decepticons' supreme overlord, attempts to melt Earth's arctic icecap.

Jack, Raf and Miko get trapped in-between dimensions, along with the revived body of the fallen Decepticon Skyquake. The Autobots have to figure out a way to save them. The battered and humiliated Starscream meanwhile tries to follow up on his latest scheme to overthrow Megatron. Written by Vihktor-24

M.E.C.H. capture Breakdown to take him apart and implement the gathered knowledge into their secret plans. The Autobots thus have to rescue their own enemy.

M.E.C.H. and Airachnid team up to kidnap Jack's mom, and Arcee has to offer herself as ransom. M.E.C.H. is after the Transformer technology, while the sadistic Airachnid simply wants to kill everyone involved.

Bulkhead, Arcee, and Miko clash with Airachnid and Breakdown over a weapon that can manipulate magnetic fields.

Arcee, Bulkhead, Jack and Miko are out investigating a seemingly abandoned mining cave. However Megatron picked this very day and cave to execute the traitorous Starscream, and when the two factions clash, it results in a massive cave-in, trapping them under the rocks. Written by Vihktor-24

Starscream, now a captive of the Autobots after Airachnid had betrayed him, has to use all his tricks to gain the sympathy of his enemies. But after Arcee finds out that he is the one responsible for killing her partner Cliffjumper, Starscream suddenly has to face a very angry fembot bent on revenge. Airachnid meanwhile gets her claws on the Immobilizer. Written by Vihktor-24

Miko accidentally downloads ancient knowledge stored on a data cylinder into Bulkhead's brain. The Autobot gains tremendous amounts of information, but it's threatening to delete his own personality if the data is not removed from his system.

Ratchet, having managed to recreate Synthetic Energon, tests the substance on himself, hoping to gain more power. However the formula is unstable, and his new-found strength causes Racthet to turn into a fierce killing-machine.

As an ancient Transformers prophecy is edging close to coming true, Megatron rushes to take matters into his own hands, answering the call of the mysterious Unicron. Thus Optimus Prime finally decides to put an end to Megatron's evil.

Unicron awakens, threatening to destroy the planet Earth, which is revealed to have formed around his very body in prehistoric times. He rejects Megatron as his servant, and decides to take matters into his own hands to finally fell the last of the Primes, Optimus. Written by Vihktor-24

Megatron joins with the Autobots to journey to the core of the Earth and vanquish Unicron with the Matrix of Leadership.

The Autobots and Megatron fight their way to Unicron's spark chamber. Meanwhile, Ratchet tells the kids about Cybertron.