The Justice League of America defends liberty and justice against the Legion of Doom.

Darkseid's crew makes a play for a hunk of gold kryptonite; Darkseid plots to expose Superman to the gold kryptonite.

On the Island of the Dinosoids, an evil scientist plans to transform everyone on the planet into prehistoric beasts; when a special kryptonite transforms Superman into a bratty five-year-old boy, Uncle Mxyzptlk adopts him.

The Friends must save the world from the mysterious mutants of the space sphere; reckless motorcyclists; A spaceship splits our planet into pieces; The city is terrified by rampaging rats.

The Toyman creates dolls capable of controlling the Super Friends; a princess lures the Super Friends into a trap.