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

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.

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

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

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

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

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

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

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

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

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

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

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

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.