The Stowaways from Space: The Wonder Twins encounter two hostile aliens that were stowaways on an unmanned space station returning to Earth. The Wonder Twins join Superman to put the aliens out of commission for good.The Scaraghosta Sea: Two scientists encounter a whirlpool and call the Justice League for help. The whirlpool throws them into an eerie undersea harbor deep beneath the ocean floor. A pirate ghost named Keelhaul Kelly hijacks the scientists' mini-sub. Aquaman, Batman & Robin arrive to save the innocent scientists from the clutches of those who would do them harm.The Witch's Arcade: In an arcade, The Wonder Twins and Gleek encounter a witch who shrinks them. As Zan and Jayna elude danger, they call Wonder Woman for help. Now Wonder Woman and the Wonder Twins must stop the witch before she shrinks all of the customers.

Drawn into Mxyzptlk's dimension, Batman and Superman must find a way to escape in "Mxyzptlk's Revenge." Next, the Wondertwins and Atom rescue a teen gang from a deadly ride on a condemned "Rollercoaster." Finally, Apache Chief helps the spirit of an Indian find his final resting place in "Once Upon A Poltergeist."

Batman and Superman are accidentally trapped in a time warp and sent to the bizarre "Warpland." Next, the Super Friends discover that "Two Gleeks Are Deadlier Than One" when an android Gleek invades the Hall of Justice. Lastly, Apache Chief stops an author who transformed into the monster he's writing about, "Bulgor The Behemoth.