The Decepticons begin building a new base and in doing so inadvertently trigger an underwater volcano which also launches an earthquake on Sydney. Lightfoot goes off to investigate and while he does find the Decepticons, they found him as well. The Autobot-juniors provide with relief-efforts at the city while Ginrai searches for Lightfoot, but Turtler, having anticipated his arrival, attacks and while as King Poseidon hopes to bury them alive. Godbomber arrives and engages Poseidon, but the volcano starts to erupt, leveling the decepticon's base in the process...