The Autobots face the Decepticons for a final showdown.

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

Knock Out and Starscream experiment with synthetic lead and threaten to take over the Deceptacon ship and unleash an old enemy.

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

While Optimus struggles to survive after Megatron’s destruction of the Autobot base, the separated members of Team Prime try to reconnect.

Megatron doubts Predacon and its allegiance after Predacon reveals a secret of its own.

The Autobots search for signs of each other, but start to lose hope while the Decepticons welcome a key player to their ranks. A win for Wheeljack may ultimately lead to an Autobot defeat.

Soundwave is captured by the Autobots; Megatron revives an old plan.

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

The Ultimate Autobot Hunter is unleashed on our heroes.

The Decepticons launch a new scheme to clone an army of beasts.

Unlikely duos team up, including Acree and Wheeljack, and Agent Fowler and Jack's mom.

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