Hot Rod takes Bumblebee and Cheetor space-boarding through an asteroid field where they encounter Sharkticons.

The search for Windblade continues as Grimlock joins Bumblebee on a journey to prehistoric Cybertron.

Optimus Prime leads a strike team of Autobots on a mission deep into Decepticon territory to destroy a dangerous artifact.

Cheetor struggles to find ways to be useful to the Autobots, so Bumblebee offers to train him in scouting.

In the series finale, the Autobots and Decepticons face the Other One, a powerful version of Megatron from an alternate universe.

After eons of embittered rivalry, Jetfire and Sky-Byte are prepared to do whatever it takes to end one another.

With the AllSpark in hand, the Autobots launch a daring mission to return it to Cybertron.

In an attempt to locate a missing Windblade, Bumblebee goes on a spying mission in Decepticon territory.

As one of Wheeljack’s inventions wreaks havoc on The Ark, Bee tries to figure out what he saw on the Moon.

The Decepticons vie for Megatron's favor, only for an Autobot to land right on their doorstep.

Optimus and Megatron finally locate the Allspark, but will need to pass its guardian's trials to claim it.

A forgotten Autobot returns to Cybertron, searching for revenge.

To save the Earth from disaster, the Autobots must defeat the Decepticons on the moon.

With the threat of Starscream looming, the Autobots and Decepticons attempt to negotiate an alliance.

A rescue mission to save Jetfire reveals a secret Decepticon operation.

While looking for adventure, Grimlock and Arcee must protect the Ark from a series of catastrophes.

The Autobots repair a damaged space bridge in hope of reaching Cybertron faster, only to wind up trapped in unspace.

Bumblebee and Chromia's search for Windblade takes them into Cybertron's gaseous Argon Sea.

When Shockwave kidnaps Wheeljack to help the Decepticons find Starscream, the scientist must use his resourcefulness to escape.

The Autobots celebrate their newfound victory, but the party quickly takes a violent turn.

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The Autobots and Decepticons team up in a last-ditch effort to save the universe from the Quintessons.

The Autobots consider the battle won until the Decepticons show a weapon to steal the allspark.

With Optimus missing and the Quintesson Judge having captured the other Cybertronians, Windblade and Maccadam prepare their last resort.

To help Windblade, Bumblebee finds he must travel to Cybertron's forbidden moon.