Batman, Superman and Wonder Woman lead a group of superheroes, the Justice League, into action in this animated series. The heroes must battle enemies that include space invaders and bizarre forces of magic as they try to defend Earth from the supervillains intent on destroying the planet. The heroes are up for any challenge as they embark on thrilling adventures. `Justice League Action' is part of the popular DC Universe of comic-book characters.
Batman's back in action for the series premiere.
A ghoul drains the Justice League of their powers.
Batman gets possessed by an evil Djinn.
When the Justice League Action tries to stop the Brothers Djinn the ghoulish trio are able to direct spells on our heroes.
While Superman escorts his prisoner Mr. Mind between planets he is attacked by Lobo who wants to collect a reward on Mind.
Firestorm encounters the Nuclear Family.
Grundy escapes his Louisiana prison.
Joker is abducted into space by Mongul.
Batman and Blue Beetle have to travel back in time to stop Chronos from destroying a young Dark Knight on his very first case.
Steppenwolf "boom tubes" Superman to a planet with a red sun in order to make the Man of Steel powerless.
Toyman takes over the Justice League and turns them into avatars in a diabolical video game.
Luthor infects Superman with a magnetic charge.
Four kids in Justice League costumes are trick or treating.
Batman has to enlist the help of Jason Blood, aka the Demon, when Brother Blood turns the Batmobile into a sentient, demonic entity.
The JLA must retrieve Zatanna's stolen magical hat.
With the aid of Circe the Witch Luthor travels to Paradise Island to steal an artifact that will give him god-like powers.
Plastic Man takes it upon himself to infiltrate a ship.
Teenage superheroes cause trouble in Superman's Fortress.
Chased by the Red Lanterns Lobo seeks sanctuary with the Justice League.
Batman & Firestorm face Mr. Freeze & Killer Frost.
Batman and Wonder Woman enter Superman's bloodstream.
The Justice League Action find themselves in danger of losing Wonder Woman when the goddess Athena comes to Earth with an offer Diana can't refuse.
Plastic Man disguises himself as Two-Face.
Brainiac and Atom fight over the city of Kandor.
Poison Ivy takes control of Swamp Thing, using his vegetative powers to overwhelm Gotham with dangerous plants.
In a strange turn of events, the JLA enlist the help of Space Cabbie and Jonah Hex to stop the hijacking of an intergalactic space train.
Batman must team ujp with Booster Gold when an interdeminional alien creature starts eating up time literally.
Space Cabbie inadvertantly learns about a great threat to the Justice League when one of his passengers turns out to be Darkseid.
Mxyptlk switches the brains of the Super Hero team.
Stargirl has to enlist Constantine's help when Klarion the Witch Boy takes the place of the boy she's supposed to be babysitting.
Booster Gold tries to make money off of dinosaurs.
Bizarro is the League's last hope from Amazo's attacks.
Joker frees Luthor to spend the day together.
When the Calculator hacks into Mr. Terrific’s T-Spheres and turns them against him, Firestorm comes to assist – much to Martin Stein’s displeasure.
Reporter Sid Sharp creates his own Super Hero for a story.
Luthor comes up with the means to separate each Justice Leaguer in two - one passive and good, the other aggressive and mean.
Sinestro's ring becomes more powerful than usual.
League members lose their memory of who they are.
Batman must track down the elusive Mr. Miracle.
When Batman discovers that he and the rest of the League are robots, he investigates to find out who did this and why?
A mysterious creature abducts Batman, Terrific & Luthor.
Racing for charity, Superman & Flash are trapped by Luthor.
The Riddler helps the Justice League against the Joker.
Gorilla Grodd takes control over Titano the giant ape.
The Justice League are affected by the Phantom Zone Ray.
Green finds his plans thwarted by Plastic Man.
Booster Gold makes some extra cash giving Watchtower tours.
Green Lantern leaves his ring in an intergalactic restroom.
Mr. Mxyzptlk decides to create some mischief by endowing Shazam's well-meaning Uncle Dudley with superpowers bigger than anyone in the league.
Supergirl and Superman go to a parallel world.
While the Justice League is away on a mission, Plastic Man is not only left in charge of the Watchtower, but of Superman's dog, Krypto.
Booster and the JLA come under attack by a villainess.