Part 1 of 3. Optimus Prime and his small crew of Autobots come into possession of the AllSpark, a powerful Cybertronian artifact that attracts the attention of their long-forgotten enemies the Decepticons and sends them crashing to a strange and distant planet known as Earth.

Part 2 of 3. Optimus Prime and his small crew of Autobots come into possession of the AllSpark, a powerful Cybertronian artifact that attracts the attention of their long-forgotten enemies the Decepticons and sends them crashing to a strange and distant planet known as Earth.

Part 3 of 3. Optimus Prime and his small crew of Autobots come into possession of the AllSpark, a powerful Cybertronian artifact that attracts the attention of their long-forgotten enemies the Decepticons and sends them crashing to a strange and distant planet known as Earth.

The Autobots settle into their new home base - an abandoned automobile manufacturing plant… but the ancient assembly line machinery seems to have developed a mind of its own.

A bio-engineering genius experiments with some of Bumblebee’s hydraulic fluid and accidentally transforms himself into Meltdown, whose corrosive touch can melt anything.

Professor Sumdac upgrades a trio of animatronic dinosaurs from a local theme park, but the creatures develop minds of their own and become rampaging Dinobots, bent on destroying the Autobots.