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.

The Decepticons' tampering on the island creates openings to other times, allowing all sorts of things from various times to arrive in the present. The Autobots race to reverse this before it's too late and to stop the Decepticon plot. But in the end, their best hope may be the Dinobots.

Failing to cause a divide between the Decepticons and Insecticons, Mirage's mind suddenly becomes enslaved and he is used by them in a plot against the Autobots.

The Decepticons send the recently stolen Nightbird on a mission to steal an informative chip from the Autobots.

The Decepticons plans to take energy from the center of the sun using a circuit from one of their enemies, Gears. The Autobots must defeat the Decepticons and rescue their compatriot.

The latest Decepticon plot to destroy the Autobots involves the creation of a Optimus Prime duplicate. They hope this duplicate will be able to convince the other Autobots he is the genuine article and will lead them into a chasm that will destroy them.

The legendary Atlantis is proven to be real and it's residents aren't exactly peaceful.

Jazz, Bumblebee and Sparkplug are up against insurmountable odds when Megatron manages to turn the recharging Autobots evil.

The Decepticon ship that shot down the Ark has been found and Megatron manages to find a component containing great power. With this power a danger to everyone, Perceptor, Bumblebee and Brawn shrink down and journey through Megatron's body to get it away from the Decepticon leader.

The Constructicons trick Grapple and Hoist with claims of having left Megatron. They construct a tower Grapple thought up to absorb solar energy, which Optimus Prime did not want to be built for fear of The Decepticons getting their hands on it. Not surprisingly, The Constructicons betray them.

The Insecticons become extremely powerful after they consume an energy source. They enslave every Decepticon except for Megatron. The Decepticon leader and the Autobots will have to team up to return the Insecticons to normal.

Megatron seizes control of the Torq III computer, enabling him to control the flow of oil.

Megatron and a politician team up to slander the image of the Autobots.

While Megatron and Shawn Berger enjoy Decepticon Day in Central City, Spike tries to find video evidence that proves the Autobots are innocent!

Red Alert is damaged during a battle, making him rather paranoid. This causes him to join forces with Starscream, who wants to get a hold of the Negavator.

The Decepticons plan to take New York and turn it into their new home base, disassembling Optimus Prime in the process. The rest of the Autobots must save Optimus and New York City without their leader.

Both Autobots and Decepticons are facing tough times as they are in need of the element called Cybertonium. The Decepticons quickly get as much as they need, but the only way for the Autobots to get it is to rely on The Dinobots, who have been unaffected by all this. However, the Dinobots have been getting annoyed with The Autobots lately and leave them.

Both Autobots and Decepticons are facing tough times as they are in need of the element called Cybertonium. The Decepticons quickly get as much as they need, but the only way for the Autobots to get it is to rely on the Dinobots, who have been unaffected by all this. However, the Dinobots have been getting annoyed with the Autobots lately and leave them.

From the moon, Megatron manages to interfere with the radio transmissions on Earth. Blaster and Cosmos go to put an end to his plot as the other Autobots work to help those affected by the loss of radio transmissions.

Spike, Hoist and Warpath find their battle with a group of Decepticons interrupted when they all get sent back in time to the middle ages.

Astrotrain tricks a race living on one of Saturn's moons, Titan, into thinking he is a god and gets them to do his bidding, which includes getting a hold of a newly discovered power.

Megatron plans to drill his way to Earth's core in hopes of getting large amounts of energy. The Autobots try to stop him and initiate their new plan to take control over Devastator. When both sides battle for controlling Devastator, though, it causes disaster.

After someone steals him, Tracks is briefly unable to transform or talk. This isn't so bad, however, as it leads to the discovery that Decepticons are planning to turn stolen cars into weapons.

Most of the Autobots lose their ability transform to robot mode after the Decepticons use a device on them. A handful of Autobots still capable of transforming are their only hope.

A lagoon within a forest is discovered and found to contain a substance called electrum, which can make anyone invincible. The bad news is that the Decepticons manage to use it on themselves first.

On the way to Earth with a type of insecticide to use against the Insecticons, Spike, Bumblebee and Cosmos encounter Morphobots. They get away just fine, but they inadvertently take Morphobots along for the ride.

Omega Supreme reveals his past to Optimus Prime, which involves a city's destruction, Megatron and Constructicons.

The space bridge accidentally sends several Autobots and Decepticons to a strange world in which they are no bigger than toys.