When Thunder Jet. comes back with Ashin to Boot City, Sishin prohibits T.J. from going out to battle any more. He fears to lose T.J. by an unexpected incident. In the meantime, King Racko wins battles one after another with his new battleship and swiftly marches on. T.J. orders Colin to gather information of this battleship. Cobin's fleet catches sight of the battleship in the meteor belt. Cobin is stunned of its gigantic size!