Justice League Unlimited: Season 1

Batman and Superman team up to deal with an alien invasion. A telepathic message leads the duo to a military base where J'onn J'onzz is being held prisoner.

With the nation's warheads disarmed by Superman after a peace initiative, the heroes rally to stop nocturnal alien invaders from blocking out the sun.

The heroes are captured by the aliens just as their leader, the Imperium, arrives. After vanquishing the invasion, they decide to officially join forces as the Justice League.

Green Lantern is brought up on charges of genocide and is forced to attend an intergalactic trial courtesy of the Manhunters.

Suspecting a railroad job, the League digs deeper into the charges against the Lantern. When the Guardians of the Universe arrive, the Manhunters' true motivation is revealed.

The team encounters an agitated Aquaman while trying to rescue a submarine crew. His opinion of surface dwellers doesn't improve after an attempted assassination by Deadshot.

The team is captured after helping Aquaman stop an underwater coup by his half-brother, Orm. Struggling to free himself and his son from death, Aquaman sacrifices his own hand.

Wonder Woman returns to Paradise Island after her abrupt departure, only to find the Amazons turned to stone. Sorcerer Felix Faust demands three mystical artifacts as the ransom.

While helping Wonder Woman liberate her island, the League discovers Faust is attempting to free Hades and open a portal to Tartarus, a pit of souls.

While handling an asteroid in space, Superman and J'onn J'onzz are captured and banished to Warworld, a planet where combatants are forced to duel to the death.

Fight promoter and new contestant Mongul instructs Superman to throw the fight against him, or he'll destroy the enslaved Draaga's home planet.

Gorilla Grodd uses a mind-control device to obtain isotopes that will help destroy Gorilla City. To that end, he enlists Flash to oppose the Green Lantern.

Central City is under the rule of Grodd, who plans on attacking Gorilla City with missiles. As Flash confronts the maniacal ape the team races to stop the destruction.

The Justice League must battle a fanatical Amazon scheming to kill all the men in the world.

With the male heroes suffering from Aresia's bio-weapon, the female Justice Leaguers race to stop their foe before she can contaminate the entire planet.

Several Leaguers are flung into another dimension populated with Green Lantern's childhood comic book heroes, the Justice Guild.

Still trapped in an alternate dimension, the Leaguers help the Justice Guild wage war against the Injustice Guild. But the secret behind this reality threatens to erase them all.

Arrested and terminally ill, Lex Luthor breaks out of prison to assemble a team of supervillains to help him destroy the Justice League.

His illness treated by Ultra-Humanite, Luthor pressures his cadre of super-villains to combat the League. While captured, Batman exploits the greed of the group to his advantage.

The League joins with Etrigan the Demon to battle Morgan Le Fay's scheme of world conquest for her son.

Wonder Woman resists the advances of Harv Hickman. The diabolical Le Fays finally obtain the Stone and plan to use it to revert England back to Medieval Times.

Green Lantern's friend is transformed into a monstrous elemental shape-shifter by his jealous employer and is tricked into thinking Green Lantern is responsible.

A confused Mason/Metamorpho is finally convinced the League is there to help him. Together they race to head off the newly transformed Stagg before he kills Mason's fiancé-his own daughter.

The Justice League go back in time to World War II to prevent the immortal Vandal Savage from using future technology to change history.

Mired in World War II, the Leaguers discover that Vandal Savage has usurped Hitler and is getting technology from his future self, setting the stage for his eventual rule.

With the help of Sgt. Rock, the League races to stop Savage's plans to invade the U.S. with warplanes and forever alter the course of world history.