Brainiac plans to trap Black Vulcan, Wonder Woman and Hawkman on an artifical planet ruled by The Toyman and inhabitated by deadly toys in a black hole while the Riddler lures the other Superfriends into different traps so the Legion of Doom can take hold of the World's national treasuries. While sailing with Captain Pierre Marcel, the Wonder Twins and Gleek get sucked in a whirlpool.