Apache Chief and few of his fellow braves are captured by alien creatures resembling the legendary Bigfoot. Batman and Robin try to help, but are also captured. After they escape and defeat the creatures, the Super Friends learn that they were merely trying to seek information to repair their spacecraft.^[3]

While monitoring the galaxy from his impenetrable Fortress of Solitude, Superman notices a black hole that is going to suck up the Earth. Superman attempts to stop it, but gets himself pulled into the black hole. Using the Bat-Rocket, Batman and Samurai set out to accomplish what Superman failed to do. However, the two heroes end up getting pulled into an asteroid planet in the center of the black hole. Upon finding Superman imprisoned, the heroes are attacked by a Star Energy Creature. The Super Friends must break free and stop the Star Creature from absorbing Earth.

Several miles off the coast of Hawaii, a routine Navy mission becomes a nightmare when a submarine's controls short circuits and the nuclear reactor starts to overload. Black Vulcan and Aquaman try to help, but are attacked by nuclear mutated sea creatures. Black Vulcan actually gets eaten by a mutated whale in which Aquaman must come to his rescue. When the two heroes get free, they make it aboard the submarine, whose communication transmitter went dead. Now their only chance is to launch Aquaman out of a torpedo tube to clear the beach, while Black Vulcan uses his electrical powers.

A group of archaeologists accidentally releases Yuna the Terrible and her barbarian warriors. Batman and Robin responds to a distress call but get captured by Yuna's warriors. Wonder Woman and Apache Chief respond to the Batman's distress call. During an encounter with Yuna, Apache Chief gets put into a trance and joins Yuna and her warriors. Wonder Woman tries to save them and must prove her strength against Yuna.

Superman, Batman, and Apache Chief must save Earth from a giant alien beast that "hatched" out of the moon like an "egg".

While at the circus, the Wonder Twins and Gleek witness the revenge of circus animals as they zap the audience in a trance. The animals capture Gleek and zap the Wonder Twins as well, who they send off to lure Superman and Wonder Woman into a trap at the circus. The circus animals eventually turn the Super Friends into Super Animals. Gleek frees the Wonder Twins from the trance, and now it is up to them to save their friends and put an end to this circus once and for all.

Superman finds a mysterious purple ray that is lifting objects in downtown Metropolis. Batman uses the Justice League computer from the Hall of Justice and try to control the beam while Black Vulcan and the Atom joins Superman in Metropolis. They find out that the Iron Cyclops who is projecting the ray lives on a planet which has no gravity and he wants to steal the Earth's.

A doorway appears inside the Hall of Justice. Superman and Batman wonder where it originated from and where it leads. Then the voice of Mxyzptlk is heard and Superman realizes who's responsible. The door opens up, sucking everything inside, including Batman and Superman. The doorway is a warp between Earth and the Fifth Dimension. Once in the mixed up world of Mr. Mxyzptlk, the two heroes are put through a series of comical and offbeat challenges once the imp removes Superman's cape and Batman's utility belt. Superman is "sentenced" to life in a vegetable garden where green beans are the equivalent to kryptonite. Batman is "sentenced" to life upside down. Superman eventually finds a way to get himself and Batman out of the Fifth Dimension and back to Earth.

Three kids ride a condemned roller coaster that gradually falls apart. The Wonder Twins and Gleek, exiting a movie theater, respond to the crisis. After Zan accidentally breaks a rusted power control and realizing that they need additional help in the rescue attempt they send Gleek to the Hall of Justice and find Atom. Atom soon arrives and shrinks himself even more smaller so he can enter the power box and manually shut down the roller coaster.

Superman and Batman are pulled into a space warp where they come across a strange planet inhabited by aliens known as Zoons. The leader of the group, Super Frog, plans on keeping who he sees as invaders as prisoners. He then turns Superman into an eagle and Batman into a real bat. The aliens' headquarters is referred to as the Hall of Zoon. Fortunately Batman and Superman are able to warp into their own galaxy and the effects wear off. Batman remarks that Superman would have made a great eagle.

Superman travels through a time warp and is taken back to the hours leading up to Krypton's explosion. He saves the planet by stopping the solar flares using the Super-Mobile core and then returns to the present to find Earth a very different place. Robin confronts him and has no idea who Superman is and then remarks that the Justice League was defeated by the Legion of Doom, he is the only one alive. He soon realizes that by saving Krypton that it erased his time on Earth and that nobody had ever heard of Superman before. He goes back into the time warp and makes sure Krypton explodes by removing the Super-Mobile Core because he figures that Earth would need a person like Superman to protect it.

After obtaining living cells from Aquaman and El Dorado's skin, Brainiac creates clones of the two heroes. Brainiac programs the Aquaman and El Dorado clones to their counterparts bring them back to Brainiac's laboratory. After attempting to rob a ship, the clones are apprehended. The next day in court the clones say the Super Friends have turned against the people. The real El Dorado and Aquaman trick Brainiac into freeing them and they're all transported to the Metropolis courthouse. There, they clear up the situation and incarcerate Brainiac.

Cameos: Superman, Batman, Robin, Wonder Woman, Wonder Twins, Green Lantern, Flash, Hawkman, Atom, Black Vulcan, and the Atom

Note 1: Superman has a small speaking role despite his cameo.

While investigating a strange electrified spiked metal pod, Superman and Batman unwittingly unleashed the cloud-like prisoner inside named Sleep, and are then trapped in a dream world. Superman dreams that everything he touches turns to kryptonite. Batman's nightmare involves a building's ledge turning to dust as he falls into the awaiting jaws of the vicious monster. Wonder Woman tries to save them by wrapping her golden lasso around her waist and entering the dream world. She instructs a miner to wake her in five minutes by tugging on the lasso and it works. Superman then breathes the creature into his lungs and blows him back into the pod.

A boy loses his pet dog during an accident in the wilderness. After being taken to the hospital, he's given a clean bill of health, but yet he insists he's paralyzed. It's then up to Batman and the Wonder Twins to convince the boy that his paralysis isn't real and that it is more than likely an emotional response to the traumatic incident and the loss of his pet dog. During a bird's eye view of the city, courtesy of Superman, a gigantic metallic monster starts to destroy the city. It ultimately fires out kryptonite, which leaves Superman weakened. Superman pleads for the boy, who still believes he can't walk, to get rid of the kryptonite. The boy struggles to make himself walk again in an attempt to save Superman. There's an emotional twist at the end of the story, though.

Giant children arrive on Earth and create destruction all over the city. Superman, Batman and Robin have their hands full while trying to prevent them from causing trouble. A call to the children's home planet and a visit from some influential individuals put a stop to the children's pranks.