An exciting "Never Seen Before" promo which helped Justice League leap into action.
Superman and Batman team up against alien invaders, but soon find they need to call in help.
Green Lantern, Wonder Woman, Flash, and Hawkgirl team up with Superman, Batman, and J'onn J'onzz to defeat the alien invaders, but one of them falls in battle and the rest are captured.
The heroes race to rescue two of their own before the Imperium gets to Earth and completes its conquest.
No man escapes the Manhunters. An alien court sends the Manhunters to bring Green Lantern back for prosecution on the charge of genocide, and the League gets involved.
Believing that Green Lantern is receiving an unfair trial, the Leaguers investigate, while GL's superiors, the Guardians of the Universe, enter as witnesses. But the whole trial may be a ruse.
When Aquaman, ruler of Atlantis, decides he has had enough of the surface-dwellers trespassing in his ocean, the Justice League tries to smooth things over. Aquaman takes Superman's advice and arrives in New York City to speak to the World Assembly, but it soon becomes apparent that he may have been right about the surface-dwellers all along.
Betrayed by his own subjects, Aquaman and the League fight to save Atlantis, the world, and Aquaman's own son against his half-brother Orm's coup.
Exposed as a criminal, sentenced to prison, and terminally ill due to long term kryptonite exposure, Lex Luthor escapes and assembles a supervillain team consisting of Cheetah, The Shade, Solomon Grundy, Star Sapphire, Copperhead, and Ultra-Humanite to take on the Justice League, calling themselves the Injustice Gang. The Joker also becomes part of the team, but on his own choice. However, this gang proves short-lived as its major weakness proves no match for Batman's wiles.
Wonder Woman returns to Paradise Island to make up with her mother for her rapid departure, only to find the Amazons transformed to statues. The sorcerer Felix Faust is holding them hostage to force Diana to recover three ancient artifacts.
The League fight to save Paradise Island and Wonder Woman's own mother from Felix Faust and Lord Hades.
Superman and J'onn are taken prisoner during a rescue mission gone bad, and Superman is forced to compete in a gladiatorial tournament on a distant world while Hawkgirl and Green Lantern try to rescue them.
Fight promoter and new contestant Mongul instructs Superman to throw the fight against him, or he'll destroy the enslaved Draaga's home planet.
When the Flash is mind-controlled into committing a crime, he and Green Lantern work to clear his name and uncover a sinister scheme.
When Gorilla Grodd mentally enslaves a city of humans and prepares to destroy Gorilla City, Green Lantern and Flash try to defeat him while the other Leaguers move to help the ape civilization.
A renegade Amazon, Aresia, leads a new incarnation of the Injustice Gang to accumulate the components for a bio-weapon.
When the male Leaguers are infected by the same disease sweeping Earth, Wonder Woman and Hawkgirl must defeat Aresia and find a cure.
An explosion throws four Leaguers into an alternate dimension where they meet their childhood comic book heroes...the Justice Guild!
The League aid the Justice Guild against their arch-nemeses while trying to unravel the secrets of the Guild's world.
The sorceress Morgaine Le Fey and her son Mordred search for the Philosopher's Stone, and the Justice League need the help of the Demon Etrigan to thwart her.
Morgaine and Mordred get the Stone and plan to transform England and restore it to its medieval glory.
An old friend of John Stewart's is inadvertently turned into a freak capable of altering his molecular structure, separating him from his girlfriend and pitting him against the League.
The League battle Metamorpho but soon discover that his future father-in-law, Simon Stagg, poses the true menace.
When the present is altered, the Justice League must travel back in time to World War II to restore history.
A separate League struggle against the Nazis and determine who is responsible for the Axis' technological advances.
Wonder Woman and Steve Trevor survive the attack and trick the Germans into believing that the communicator was destroyed. GL and Easy Co. find the runaway and discover that Vandal Savage plans to use jet aircraft to invade America. GL boards and tries to stop Vandal's plane while Hawkgirl, Superman, and Flash try to intercept the flight with J'onn's help. With the aid of the Blackhawks and Flash notifying the U.S. Navy, the German flight is shot down and Vandal apparently is killed. The JLA return to the present to find everything restored and Wonder Woman visits a now elderly Steve Trevor in the restored present.
Called to the Justice League Watchtower to help in a critical power problem, Static and Gear then have to help stop Brainiac's consciousness from seizing control of the station.
Static and the Justice League try to stop Braniac.
The Justice League is forced to ally with Darkseid against an enemy powerful enough to threaten both Earth and Apokolips.
The League are forced to battle both Darkseid and Brainiac, while Wonder Woman and Batman seek the aid of Orion, son of Darkseid.
Lex Luthor, on the run from the League, reactivates an old LexCorp project to stop the League - an android that can duplicate the powers of anyone it sees.
Even Superman is unable to defeat the android once it duplicates all of the League's powers. Only with the aid of J'onn, suffering a crisis of faith when he is overwhelmed by humanity's pettiness during a telepathic scan, can they turn Amazo against Lex.
The Justice League must deal with a prison break, unaware that prisoner John Dee is using the distraction to gain access to an experimental ESP machine and gain the power to manipulate dreams.
Four of the Leaguers are trapped in their dreams by Dr. Destiny - only J'onn and Batman can rescue them...if they don't fall asleep first.
Batman and Wonder Woman find themselves enmeshed in the schemes of Vandal Savage to take over the small country of Kasnia and use its space program to blackmail the world.
Batman and Wonder Woman move against Kasnia to prevent Vandal Savage from terrorizing the world with his orbital rail gun.
John Stewart leaves on a mission to help his fellow Green Lanterns overthrow a intergalactic dictator with strange powers.
Despero's followers attack and John is forced to use a gun when his ring becomes useless due to Despero's mental tampering. While John, Katma, and Hawkgirl are captured, J'onn, Kilowog, and Flash must try to deactivate the mystic flames and deprive Despero of his power.
The Justice Lords, an alternate version of the League from a different dimension, capture their counterparts and plan to bring their own brand of justice to the new Earth.
The Justice League must escape from their imprisonment at the hands of the Justice Lords and defeat their counterparts with the help of an unlikely ally.
After Aquaman frees Solomon Grundy, Hawkgirl and the Justice League are convinced that the Lord of Atlantis has gone rogue. But when the trail leads them to the mysterious Dr. Fate, they discover there is more to this strange partnership than meets the eye.
With the initial ritual destroyed, the League, Fate, and Grundy must travel into the dimension of the Old Ones while Aquaman fights the invaders in the Earth realm.
A strange gemstone possesses all who touch it, turning them to evil...including Wonder Woman.
The League discover the secret behind the "Black Heart" gem, but everyone except the Flash is possessed, and he must save the day before the sun is destroyed.
After Superman makes the ultimate sacrifice to save his fellow heroes, the Justice League and rest of the grieving planet must learn to live in a world without Superman.
Superman finds himself on a devastated future Earth with the man responsible - Vandal Savage.
Gorilla Grodd brings together a powerful team of villains, welding them together into a close-knit group. Meanwhile the League is plagued by it own internal problems and non-cooperation, leaving them vulnerable to attack.
The Secret Society take advantage of the League's break-up to bring them down until only Green Lantern remains to free his comrades. When he falls as well everything looks hopeless.
In this one-part episode, the Justice Leaguers go their separate ways to celebrate the holiday season. After saving a distant planet, the League returns in time for Christmas. Clark and J'onn visit Smallville for a Kent family Christmas, Green Lantern and Hawkgirl have a snowball fight and visit an alien bar while comparing holiday traditions, and the Flash and Ultra-Humanite have a season's fight and are forced to ally together to save orphans' toys.
In the ultimate reality show, the Joker pits the Justice League against the clock and against the Royal Flush Gang as the Justice League races to find and disarm all the bombs he's planted along the Strip in Las Vegas.
The League manage to defuse the Joker's bombs and defeat the four active members of the Royal Flush Gang...but the Joker has an Ace in the hole as he executes his real master plan.
The Thangarians, Hawkgirl's people, arrive on Earth to aid them against the menace of the Gordanians. But all is not what it seems.
The League manage to escape and take refuge at Wayne Manor, while the Thanagarians scout the planet for them and realize their master plan for Earth.
The League defeats the squad of hawkmen sent to kill them at the Batcave, but must now figure out how to stop the activation of the hypergate before it destroys Earth.
A good version of Lex Luthor from a parallel Earth comes to the Justice League's dimension for help to fight their evil counterparts.
The Justice League reforms in a new satellite headquarters and adds a new expanded roster of members. They then recruit Green Arrow to aid Green Lantern, Captain Atom, and Supergirl in defeating a nuclear monster in China.
Batman and Wonder Woman deliver presents to Superman at the Fortress of Solitude for his birthday, but find he's been immobilized by a special "gift" courtesy of the world-conquering Mongul.
Two superhero brothers, Dove (a pacifist) and Hawk (an aggressive fighter), join Wonder Woman to stop a civil war in Kaznia, but it turns out that the war is being instigated by the Greek god Ares as part of his plan to spread misery and conflict.
When Supergirl is plagued by disturbing dreams, she turns to Green Arrow and The Question for help, but they soon learn that she may not be dreaming after all.
When Mordred banishes all adults into Limbo, Superman, Batman, Wonder Woman and Green Lantern must make a deal with his mother Morgaine to transform into 8-year-olds in a desperate attempt to defeat the boy-wizard.
Batman turns to Zatanna for help to defeat the evil sorceress Circe and save a transformed teammate.
After the power-asborbing android Amazo destroys the home planet of the Guardians of the Universe, the League must intercept him before he reaches Earth and achieves his goal: murdering the recently reformed Lex Luthor.
While the sorcerer Mordru invades Metropolis and the League must attack en masse to stop him, gloryhound and erstwhile superhero Booster Gold ends up ""crowd control"" and does some world-saving of his own.
A new team of heroes, the Ultimen, help the Justice League defeat fire monsters that are attacking an oil rig. But the Ultimen soon discover that a dark secret lies at the heart of their origins and their sponsorship and turn against the League.
When nanotech-based alien robots land in the American southwest and overwhelm the League, only the Atom, a microscopic super hero, can defeat them.
Solomon Grundy rises from the grave as a mindless berserker, and when the Justice League can't stop him, they turn to a reluctant Hawkgirl for assistance.
Batman, Wonder Woman, and Green Lantern chase a time-traveling thief into the past and team up with some local ""superheroes"" of the era to deal with an outlaw who has used the thief's futuristic technology to take over an Old West town.
In pursuit of a time-traveling thief, Batman, Green Lantern, and Wonder Woman arrive in a futuristic Gotham City twisted horribly awry by alterations to the time-stream, and must join forces with the future Batman and the Justice League Unlimited.
Black Canary asks Green Arrow to help save her mentor, Wildcat, from an underground super-powered fight club known as Meta-Brawl.
When escape artist and superhero Mr. Miracle can't get help from the rest of the League, the Flash volunteers to help him break out a special prisoner from an inescapable prison on Darkseid's homeworld of Apokolips.
While Batman investigates the Cadmus conspiracy headed by Amanda Waller, Superman battles a resurrected Doomsday in the heart of a volcano.
Four incarcerated villains are released from prison by Cadmus to undertake an impossible mission: steal a powerful mystic artifact from the JLU Watchtower under the noses of the League.
When Felix Faust escapes the magical mirror in which he was imprisoned by Tala, Wonder Woman and Hawkgirl must go to Tartarus where Faust has overthrown Lord Hades and claimed the place as his own.
Green Arrow and Black Canary must stop the Question and the Huntress from killing organized crime lord Steven Mandragora.
Captain Marvel, the World's Mightiest Mortal, joins the Justice League as Lex Luthor initiates a new plot.
When Shayera, Vigilante, and Vixen respond to a deep space distress call, they're led into a deadly trap.
While investigating Cadmus, the Question discovers a secret that threatens to shake the very foundations of the Justice League.
After an unexpected battle, Superman considers declaring war on Cadmus.
When the founding members are taken out of action, the remaining League members fight to survive Cadmus' ultimate attack on the team.
When most of the Justice League is incapacitated, the League's deadliest enemies emerge to take advantage of the chaos.
Sixty-five years in the future, the history of the Justice League is the key to Batman's darkest secret...and his final destiny.
Lex Luthor is rescued from prison by a new villainous organization - the Legion of Doom!
Batman doesn't like the looks of Carter Hall, Shayara's new boyfriend, when he learns that Carter Hall has connections to Thanagar.
Green Lantern leads Stargirl, S.T.R.I.P.E., and Supergirl to Skartaris, a fantastic world where they meet a new hero, The Warlord.
Wonder Woman learns of a plot to steal the powers of the 3,000 year-old corpse of The Viking Prince.
The Flash must handle an onslaught of super-villains during the opening of a museum in his honor.
The League comes to the aid of Boston Brand, the ghost of a deceased circus acrobat, who needs their help in recovering the souls of members of a monastic order.
Green Arrow must lead a team of non-powered superheroes against a berserk super-soldier attacking Metropolis.
A mystic artifact causes Lex Luthor and the Flash to switch bodies.
Roulette returns with a new version of Metabrawl...and plans to use the Justice League to boost her ratings.
Supergirl is abducted to the 31st century to aid a futuristic group of super-heroes...and where it is destined she will never return.
The Hawkman and Shadow Thief (from "Shadow of the Hawk") return.
The Justice League take on their opposite numbers in the Legion of Doom in a final battle revealing the Legion's secret sponsor and the mystery behind their ultimate plans.
Faced with a common enemy, Lex Luthor and his criminals offer the League to join.
The fate of the earth hangs in the balance when the Justice League face a powerful new threat – the Fatal Five! Superman, Batman and Wonder Woman seek answers as Mano, Persuader and Tharok terrorize Metropolis in search of budding Green Lantern Jessica Cruz. With Cruz's unwilling help, they aim to free remaining Fatal Five members Emerald Empress and Validus and carry out their sinister plan. Meanwhile, the Justice League discover an ally in the peculiar Star Boy, who's brimming with volatile power. Could he be the key to thwarting the Fatal Five? An epic battle against ultimate evil awaits!
Behind the scenes look at the character design.
A detailed look at how the storyboards shape the show.
Phil LaMarr and fellow Justice League voice actors answer fan questions and take you inside a voice over session
Go behind the scenes with the show's creative team
The process of revamping the series with new characters and a new creative direction
Mark Hamill and series creative series personnel discuss this popular series story arc.
Music only audio track for the final episode Destroyer
Music video put together for the San-Diego Comic Con using the Blackhawk Theme from Savage Time
Series creators recall the storytelling challenges and casting opportunities offered by the many vivid personalities of the Justice League.
In the 1950s, a new generation of superheroes must join forces with the community's active veterans and a hostile US government to fight a menace to Earth.
The Flash uses time travel to right a past wrong, but the ripples from the event result in a fractured alternate reality where the Justice League never formed, and Superman is nowhere to be found. Now The Flash must team up with a gritter, more violent Dark Knight and Cyborg in a race to restore continuity before the new world is destroyed by a war between Wonder Woman’s Amazons and Aquaman’s Atlanteans.
