Lex Luthor creates a Dream Machine that causes the SuperFriends to steal the world's treasures overnight; Bizarro and Cheetah turn people around the world into Bizarros and Cheetahs.
Brainiac tricks Wonder Woman, Hawkman and Black Vulcan onto Toyman's planet of deadly toys, as the Riddler sends the rest of the SuperFriends on a wild goose chase looking for them.
The Legion of Doom uses Gorilla Grodd's inter-spatial time conveyor to steal history's greatest treasures and to trap six of the SuperFriends in the past.
The Legion of Doom steals the power devices from Wonder Woman, Batman, Robin and Green Lantern and force them to fight android duplicates of themselves, which have the advantage of possessing their own devices.
Solomon Grundy takes the Legion of Doom down to center of the Earth where he shows them a monolith that he claims is the source of all evil. The Legion schemes to trick the SuperFriends into obtaining it for them.
A swamp witch conjures an evil being for the Legion of Doom. The sinister disembodied head gives them an army of zombies in exchange for the SuperFriends.
The Legion of Doom uses Toyman's fantastic invention to trap three of the SuperFriends in the worlds of storybooks: "Jack and the Beanstalk", "Alice's Adventures in Wonderland" and "Gulliver's Travels".