Janitor Rudy Jones runs into an accident with nuclear waste and becomes Parasite. He feeds on the energy of others, with his number one choice being Superman. In doing so, he discovers Superman’s identity.

Creatures of the sea are acting in strange and aggressive ways lately. It turns out Lex Luthor is undergoing an unethical, underwater experiment and has also imprisoned the legendary Aquaman. Lois and Clark must help Aquaman before a war breaks out between Earth and the City of Atlantis.[

When an evil demon named Lord Karkull is unleashed, Superman attempts to enlist the aid of the now uninterested wizard superhero, Doctor Fate.

Livewire escapes from prison, eager to punish Superman for placing her there. She teams up with Parasite to cause mayhem once again.

Gangster Bruno Mannheim is running into problems with the mysterious Toyman, who uses children’s toys and games to cause violence. After being abducted by Toyman, Lois learns his motivation — his father had taken a loan from Mannheim and been set up to take the fall when the police busted one of Mannheim’s criminal enterprises.

Superman encounters a clone of himself who decays into a flawed version dubbed Bizarro. The clone continuously argues, “You no am Superman. Me am Superman!” until he discovers the truth of his origins—a secret cloning operation in the mountains, led by none other than Lex Luthor. Lex hopes to create an army of Supermen at […]

A few years after learning of his origins, Clark Kent lives in Metropolis as a reporter for The Daily Planet, while using his superpowers for good as the hero Superman. While Clark finds himself drawn close to his fellow colleague Lois Lane as Superman, he also finds himself dealing with escaped terrorist John Corben, who […]

John Henry Irons, an ex-employee of LexCorp, helped Luthor develop the powerful suit of armor from the episode Prototype. He has lately been developing a new, advanced suit for himself. When Superman is caught off guard from the reappearance of Metallo, Irons must suit-up as Steel to help the Man of Steel.

After the Joker fails to defeat Superman and Batman, Lex Luthor tries to withdraw from the deal by killing the clown. This fails and leads instead to the Joker and Harley Quinn trying to take revenge on him by destroying Metropolis in a giant wing, while he uses the other half of the Kryptonite to […]

Lois is thrown into a parallel universe of Metropolis where Luthor and Superman work together and rule as dictators. In this world, the alternate Lois Lane was killed and her death had traumatized Superman into joining forces with Lex to create a police state of control. When Lois learns how much Superman had cared for […]

Superman learns that the Dark Knight has been missing from Gotham for some time now. Superman finds Robin, who has been battling all the crime in Batman’s absence, such as Batman rogues The Penguin, The Riddler, Bane, The Mad Hatter and Roxy Rocket. Disguised as Batman, Superman helps Robin investigate why his partner has disappeared, […]

Leslie Willis, an obnoxious shock jock and notorious critic of Superman, holds a rock concert during a thunderstorm. When lightning strikes Willis, she is discolored and transformed into the electric-powered supervillainess Livewire. Superman must discover her weakness before she sucks the city dry of electricity.

Superman crosses paths with a fiery-tempered, metahuman thief named Volcana. She possesses pyrokinetic abilities and is on the run from a secret government agency. With the help of a telekinetic psychologist, Superman hopes to locate and help the misguided Volcana before her fire is put out permanently.

The Joker kidnaps Lois Lane and uses her as bait in an attempt to kill Superman. He has her bound and gagged in his lair and sends a video message to Superman telling his location. First Superman wears a lead suit, but Joker uses acid from his flower to melt through the suit. Batman manages […]

Darkseid brainwashes Superman into believing he is his adopted son. With Superman under his control, Darkseid sends him to Earth to decimate its military force.

A common chimpanzee is found floating in space, returning from years of suspended animation in his ship. It turns out the chimpanzee, named Titano, was a beloved companion of Lois during her childhood. In space, Titano encountered a radioactive asteroid, causing him to mutate on Earth and become big trouble for Superman and Metropolis.

Maxima, the stuck-up queen of an alien empire, discovers her perfect mate – Superman. She takes Superman back to her native planet only to learn she has been deposed due to public outrage against her.

Clark’s high school sweetheart Lana Lang, who is now a famous fashion designer, comes to Metropolis where she and Lex Luthor become a celebrity couple. Lana still has strong feelings for Clark; even worse, she had long ago connected Clark to Superman. Hoping to become his sidekick (and lover), she puts her own life in […]

Thanks to the orchestrations of Luthor, terrorist John Corben becomes Metallo, a skin-covered cyborg with a Kryptonite heart. Luthor then sets the supervillain on a quest to kill Superman, but Corben begins to question his role as Metallo when he lacks any human senses in the progress.

During a mission in space, Superman discovers a massive humanoid stone giant named the Prometheon latched to an asteroid. Prometheon’s restraints break loose and he plummets to Metropolis. It causes devastation and accumulates energy by sucking up heat from firepower and power plants. The episode is named after Prometheus, who stole fire from the Greek […]

Kal-El’s spaceship crash-lands on Earth following its intersellar journey, where he is found and adopted by Jonathan and Martha Kent, who name him Clark. A few years later, a teenage Clark, living in Smallville, Kansas, soon discovers he has superpowers, which he quickly uses to save the life of his girlfriend Lana Lang, and soon […]

Intergalactic bounty hunter Lobo is employed to capture the Man of Steel for the rare-species-collecting Preserver, who is obsessed with keeping endangered species in captivity to protect them and prevent their extinction. Superman, the last Kryptonian, is the latest catch for his collection. Upon realizing that Lobo is the last Czarnian (having killed all the […]

Ra’s al Ghul and his Society of Shadows arrive in Metropolis to steal a mythical staff currently on exhibit. The staff can be used to steal Superman’s powers and transfer them to Ra’s. It is up to Batman to locate and rescue Superman from the immortal foe.

LexCorp and John Henry Irons design a powerful prototype armor suit for the Metropolis SCU, which Lex hopes will make Superman’s services unneeded. The SCU officer who pilots the suit, Sergeant Mills, proves a useful partner to Superman at first, but the suit soon corrupts the officer’s mind, making him violently unstable. Irons is discouraged […]