Transformers Movie Stills Screensaver - Version 1 A long time ago, far away on the planet of Cybertron, a war was being waged between the noble Autobots (led by the wise Optimus Prime) and the devious Decepticons (commanded by the dreaded Megatron) for control over the Allspark, a mystical talisman that would grant unlimited power to whoever possessed it. The Autobots managed to smuggle the Allspark off the planet, but Megatron blasted off in search of it.