A distress signal from Megatron leads Optimus and crew to the Nemesis, and into Starscream's waiting clutches.

The mission to save Cybertron is threatened when Windblade steals the AllSpark and flees to a mysterious world.

Starscream makes a power play for control of the Decepticons as the Moon hurtles toward the Earth.

Starscream's plan reaches its endgame, and no one is safe.

The Autobots raid the Nemesis, believing Megatron has the Allspark, while Starscream creates a terrible new army.

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.

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.

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.

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.

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.

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

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