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.

First, the Super Friends fight "The Iron Cyclops" that threatens Metropolis. Next, a villainous artist paints creatures that come to life and do his evil bidding in "The Palette's Perils." Lastly, when the gigantic "Colossus" plays with the planets of the galaxy as if they were toys, Apache Chief devises a plan to stop him.

Aquaman teams with the Super Friends to defeat "The Lava Men." Then, Bizarro lures Superman to "Bizarroworld" in an attempt to drive him insane. Finally, Samurai and the Super Friends intervene when a 13th-century warlord escapes his own time to wreak havoc on present-day Japan in "The Warlord's Amulet."

Superman is rendered helpless by "The Evil From Krypton." Next, "The Creature From The Dump" threatens Gotham City. Later, an eerie ray transforms airplanes into gigantic screeching birds in "The Aircraft Terror."

The mischievous imp Mxyzpltk returns to star the Super Friends in "Mxyzpltk's Flick." Next, villainous Diamond Jack threatens a small mining town with a gigantic electronic cobra in "Sink Hole." Finally, El Dorado summons the Super Friends to help him battle an "Alien Mummy."
 

First, the "Outlaws of Orion" imprison the Super Friends on a bogus charge. Then, the Wonder Twins are in danger when an evil genie offers them "Three Wishes." Lastly, the Super Friends battle a horde of giant insect led by "Scorpio."