An unseasoned band of Autobots under the leadership of Optimus Prime manage to obliterate Megatron's ship and save the All Spark... The Autobots are not just heroes in the eyes of the locals, a species known as Humans, they're Superheros! Sworn to protect the All Spark and their new adopted home of De-Droid city, the Autobots now have a huge responsibility to Cybertron and an even bigger reputation to live up to on Earth.