Team Prime struggles to reunite after Megatron's victory, and Optimus struggles to survive.

With the return of a key Decepticon, the Autobots’ situation becomes even more dire and a victory for Wheeljack may ultimately lead to defeat.

The Ultimate Autobot Hunter is unleashed on our heroes. Will the arrival of a new Autobot be enough to save them?

Led by a new member, Team Prime launches a desperate assault on the Decepticon citadel.

As the Autobots adjust to new group dynamics within their expanded lineup, the Decepticons launch a new scheme to clone an army of beasts.

As tension builds within the Wreckers, they find themselves confronted with the return of the Predacon.

Unusual pairings abound as Arcee teams with Wheeljack on a mission, and Agent Fowler finds himself in a tight squeeze with Jack’s mother, June.

Knock Out and Starscream’s rogue experiments lead to monstrous results.

When the Predacon reveals a secret of its own, Megatron begins to question its allegiance.

The Autobots capture Soundwave while Megatron decides to resurrect a former plan.

While Optimus faces off with Predaking, Megatron mounts a campaign to form a new alliance.

Ratchet finds himself in a series of predicaments as he resumes his experiments on Synthetic Energon.

The fate of Earth hangs in the balance as the Autobots and Decepticons march toward their last stand.