The Transformers

While traveling through space in the Ark, the Autobots are ambushed by their enemies, the Decepticons. The battle moves into the Ark itself, leading to a damaging crash on Earth. After millions of years of dormancy, both sides are suddenly awakened and the battle on Earth is about to begin.

After being rescued from a Decepticon attack, Spike and Sparkplug offer their assistance to the Autobots. And the Autobots are going to need it in order to stop the Decepticons from gaining the power to conquer Cybertron.

The Autobots do whatever it takes to prevent the Decepticons from using a recently constructed ship to leave Earth and head for Cybertron.

The Decepticons have managed to construct a device that, once successfully tested, will allow them to travel to Cybertron. Later, they use a reprogrammed Bumblebee to make sure the Autobots walk into an ambush.

Starscream is now in charge of the Decepticons, but all he does is lead them to defeat in battle against the Autobots. But things are about to get much worse when Megatron returns, setting his sights on a new and powerful anti-matter formula.

A battle with the Decepticons leaves Optimus Prime damaged. Several Autobots journey to Cybertron to retrieve a vital part that will help repair him, but the Decepticons take advantage of the situation and launch an attack.

Spike is severely hurt during a battle. His mind is placed into Sparkplug's recent creation, Autobot X, until his body can be saved by an operation. But the Autobot X body was unstable to begin with and Spike soon ends up betraying his friends.

Wheeljack's new invention, the Immobilizer, is capable of rendering any Transformer hit immobile for a short time. Once the Decepticons get their hands on it, however, they modify it and begin leaving many Autobots immobile.

Proving to be a danger even to their own allies, the Dinobots are sent away to train on a recently discovered island in the hopes that they will learn how to effectively work together. The island, however, is far from ordinary as it is populated by dinosaurs. Meanwhile, the Decepticons make advances toward the island so they can acquire it's natural resources.

While everyone continues to rejoice in their victory, unknown assailants capture Ultra Magnus, Kup and Spike. After being told by a alien, a group of Autobots suspect the Decepticons are the culprits. But when they arrive at Charr, they find the Decepticons in no shape to pull off a kidnapping, meaning another is responsible.

The Autobots make it out of Charr, but Rodimus is down and looks out. In reality, he has made a trip to the Matrix and learns the Quintessons are behind the kidnapping. After Rodimus is revived, a rescue mission is soon underway. Also, Scourge and Cyclonus finally track down a battle hungry Galvatron.

The destruction of Quintessa causes the Autobots to arrive at Goo and poor Springer loses some parts. Blurr and Wheelie are stuck in a hostile place and are in need of some help. Meanwhile, the Quintessons agree to give vital energy to the Decepticons so long as the Autobots are destroyed.

While much has changed and there has been a peaceful lull lately, the Decepticons are happy to get back to basics. Soon, Autobot City is a mess and the Plasma Energy Chamber key is stolen. The fight moves to Cybertron and in front of the soon activated the Plasma Energy Chamber, no less. An unexpected reaction from it, though, leaves a number of Transformers on both sides (plus Spike and Daniel) on Nebulos. Greater fighting awaits there, as machine-hating Nebulons seek to overthrow the evil Lord Zarak and the Hive. Getting back home is, of course, on hold for the recent arrivals to Nebulos. However, the Hive appears unstoppable and only something truly radical may work against them.

Daniel and four Nebulans join with five Autobots to battle the Hive, but the Hive decide to do something similar with a group of Decepticons. Meanwhile, Optimus Prime goes to Vector Sigma to find out the whereabouts of the missing Autobots and encounters an old face, learning the answer and what must be done.

After capturing Daniel and Arcee and acquiring the Plasma Energy Chamber key, Scorponok and the Decepticons make their way to Cybertron. The Autobots head after them, but Spike and Cerebros stay on Nebulos and come up with a strategy to use a Hive city as a weapon against Scorponok. Meanwhile, the Decepticons and Scorponok begin to threaten Earth and it is up to the Autobots and their allies to stop them.