Autobots managed to escape Megatron, but now they are in more trouble. They need to return the Allspark to Cybertron. But the all-powerful weapon is lost somewhere in the galaxy. They need to find it and return it home. Optimus needs to find a way to stop Megatron and his Decepticons. By sharing his spark with Cyber, he will need her help and the help of all the Autobots.
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