The Autobots and Decepticons have escalated all the way to Cybertron, which the Decepticons have reclaimed. The Autobots, without Optimus Prime after a conflict on Earth takes his life, must now face a destiny they know nothing of. Megatron and a group of forsaken Decepticons have been reformed by the ultimate transformer, a planet consuming demon known as Unicron into even deadlier warriors. Now Galvatron, Scourge and Cyclonus must destroy The Autobot...

The Autobots learn of a Cybertronian spacecraft hidden on the moon and race against the Decepticons to reach it and to learn its secrets.

The world was saved after an epic battle that left a great city torn. As humanity picks up the pieces, a shadowy group reveals itself in an attempt to control the direction of history, while an ancient, powerful new menace sets Earth in its crosshairs. With help from a new cast of humans, Optimus Prime and the Autobots rise to meet their most fearsome challenge yet. In an incredible adventure, they are swept up in a war of good and evil, ultimately...

When Autobots and Decepticons wage an open battle on Earth, several people work together to save the world after learning the history of Transformers on the planet.