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 make their presence known amongst Earth's population, while the curious Sari Sumdac, the daughter of benevolent scientist Issac Sumdac, discovers Prime's team, and comes across the All-Spark itself...

Optimus and Starscream battle for possession of The All-Spark, but when its power is unleashed, what will be revealed when the Autobots face a devastating tragedy?

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 - including Autobots!

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.