The Junkions had become addicted to a substance known only as 'The Juice', attacking and stripping down worlds for their raw materials, apparently in a bid to rebuild their cityformer, Cinaplex. They got wilder and wilder, attacking Charr and even stealing Metroplex's transformation cog. Eventually a showdown on Junk revealed the real villains - the Seacons, who had been behind the scenes all along!