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When Superman and Batman are forced into Mr. Mxyzptlk's home dimension they are subjected to his annoying pranks. Even worse, however, getting Mr. Mxyzptlk to say his name backwards doesn't get rid of him.

A club forces a pledge to take part in a dangerous initiation. He must ride on a condemned roller coaster. When the ride starts to break down, the Wonder Twin and the Atom must save him.

The SuperFriends head to Gotham City to investigate a building which is mysteriously shaking. Apache Chief discovers that the shaking is being caused by the spirit of a Mohawk Indian who thinks that the building was constructed over a sacred burial site.

When Superman and Batman try to stop a meteor from hitting Metropolis, they are pulled into another dimension and turned into animals. Superman and Batman must fight the dimension's animal residents and find some way of returning to normal.

The Wonder Twins guard the Hall of Justice while the SuperFriends are having an important meeting. When Gleek is kidnapped by Gorilla Grodd and Giganta, he is replaced with an evil robot Gleek that is determined to destory the SuperFriends.

A TV writer is turned into one of his characters named Bulgor the Behemoth. SuperFriends must stop the seemingly unstoppable Bulgor and rescue the unlucky TV writer.

Superman goes through a time warp and ends up saving his home planet Krypton before it explodes. Superman, however, is shocked to discover how changing the past also changes the future of Earth.

Alien dolls from outer space attack Earth by disguising themselves as children's toys. When the dolls take out Batman and Robin, the Wonder Twins must act quickly to stop the invaders.

When the sunken ship Titanic is discovered by two divers, they are shocked to discover that a mutant algae has turned the ship into a enormous monster. Aquaman and Black Vulcan must work together to stop the rampaging creature.

The Legion of Doom reunites and captures Batman and Robin. They also manage to immobilize Superman and Wonder Woman with one of Lex Luthor's evil inventions. The SuperFriends must free themselves and and stop the Legion of Doom before they commit any more crimes.

When a young boy is in desperate need of a blood transfusion, the Wonder Twins and Aquaman head to the Amazon jungle to find his father who, because of a rare blood type, is the only viable donor.

When the Hall of Justice falls deep within the Earth, Wonder Woman and Samurai must choose sides in a war between two hostile underground civilizations.

After three criminals named Logar, Hol, and Romlok escape from the phantom zone, they travel back in time in order to destroy Superman when he was just Superboy. The SuperFriends must figure out some way to stop them.

After Batman loses his utility belt, it is found by a young high school boy who uses it in order to get back a number of bullies.

Brainiac clones Aquaman and El Dorado creating two evil Superheroes. The clones capture the real Aquaman and El Dorado and them commit crimes in an effort to ruin the good name of the SuperFriends. The clones surrender to the authorities in order to be put on trial. Aquaman and El Dorado must escape and clear their good names.

Superman and Batman fall into a deep sleep and experience terrible nightmares after encountering a released demon in a coal mine. Wonder Woman must follow them into their dreams in order to wake them up.

When a group of children are whisked away on an alien spaceship, the Wonder Twins must figure out some way to save them before the ship returns to its home world.

An alien blob born of the waste of another planet arrives on Earth and when freed goes on a rampage. Batman is able to stop it when he discovers that sugar can destroy it.

When two scientists are turned into strange cat creature, the SuperFriends must figure out what happened in order to help them. There task is not a simple one and only gets more difficult when Robin is turned into a cat creature.

After being chased by a bear, a young boy is injured in a fall. When he wakes up he learns that his dog is missing and that he cannot move his legs. When doctors examine him, however, they don't find anything physically wrong with the boy and believe that the problem may be psychological. The SuperFriends are called in to help the boy in hopes of getting him to walk again.

Bizarro somehow manages to trap the SuperFriends in a video game. They must find a way out of the game and stop the sinister Bizarro.

When three enormous alien children arrive on Earth, they begin to play with the world as if everything were merely their toys. The SuperFriends must find a way of stopping the children's rampant destruction.

The Wonder Twins are harassed while traveling in space by a gang of aliens that are only interested in racing. In order to reign them in, the Wonder Twins get the help of the Flash and Wonder Woman.

When Superman and Wonder Woman are kidnapped by aliens, they are forced to play an ultra-competitive game named Spaceball. The two SuperFriends, however, are able to turn the tide on their captors by promoting teamwork.