The arch-villains of the United Underworld – the Joker, the Penguin, the Riddler and the Catwoman – combine forces to dispose of Batman and Robin as they launch their fantastic plot to control the entire world. From his submarine, the Penguin and his evil cohorts hijack a yacht containing a dehydrator, which can extract all the moisture from humans and reduce them to particles of dust. The evildoers turn the nine Security Council members in the United World Building into nine vials of multicolored crystals! Batman and Robin track the villains in their Batboat and use Batcharge missiles to force the submarine to surface.
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