Episodes
- S1 E1 - InitiationJuly 30, 200424minA reluctant Green Arrow joins forces with the new Justice League to stop a rampaging nuclear monster in Asia.This video is currently unavailable
- S1 E2 - For the Man Who has EverythingAugust 6, 200422minBatman and Wonder Woman visit the fortress of Solitude on Superman's birthday, only to find him trapped by Mongul.This video is currently unavailable
- S1 E3 - Kids' StuffAugust 13, 200423minSuperman, Batman, Wonder Woman and Green Lantern are transformed into 8-year-olds in a desperate attempt to save the world from the magic of Mordred!This video is currently unavailable
- S1 E4 - Hawk and DoveAugust 20, 200423minWonder Woman teams up with two super powered brothers, one warlike, the other a pacifist, to stop Ares' plans to escalate a European civil war into World War III.This video is currently unavailable
- S1 E5 - This Little PiggyAugust 27, 200423minIt's musical mayhem when Batman and Zatanna join forces to save a teammate from a fate worse than death.This video is currently unavailable
- S1 E6 - Fearful SymmetrySeptember 3, 200423minSupergirl discovers that a series of nightmares she's having about being an assassin may be far more than just a bad dream.This video is currently unavailable
- S1 E7 - The Greatest Story Never ToldSeptember 10, 200423minThe Justice League is in an epic battle with Mordru in downtown Metropolis, but the real story is what happens to Booster Gold while he's supposed to be controlling the crowd.This video is currently unavailable
- S1 E8 - The ReturnSeptember 17, 200423minNearly two-dozen heroes join forces to prevent an all-powerful Android from reaching his goal, the recently reformed Lex Luthor.This video is currently unavailable
- S1 E9 - UltimatumDecember 3, 200423minThe Justice League meets "The Ultimen," a popular group of young heroes who are about to discover their own horrifying secret origins.This video is currently unavailable
- S1 E10 - Dark HeartDecember 10, 200423minWhen the entire League is helpless to stop an alien invasion, the world's only hope is the Atom, a microscopic superhero.This video is currently unavailable
- S1 E11 - Wake the DeadDecember 17, 200423minWhen Solomon Grundy rises from the grave, an old friend must come out of hiding and team up with the League once more.This video is currently unavailable
- S1 E12 - The Once and Future Thing, Part OneDecember 31, 200423minBatman, Wonder Woman and Green Lantern chase a time-traveling villain to the past, where they team up with the greatest heroes of the Old West. (Part 1 of 2)This video is currently unavailable
- S1 E13 - The Once and Future Thing, Part TwoJanuary 28, 200523minThe Justice League's adventures in time take them to Gotham City 40 years in the future where they join forces with that era's Batman and his super team: The Justice League Unlimited. (Part 2 of 2)This video is currently unavailable
- S1 E14 - The Cat and the CanaryFebruary 4, 200523minBlack Canary convinces Green Arrow to help save her mentor, the Wildcat, from his involvement in an underground, superpowered fight club.This video is currently unavailable
- S1 E15 - The Ties that BindFebruary 11, 200523minThe world's greatest escape artist needs help from the Flash in order to break a deadly enemy out of an inescapable prison on a harsh alien planet.This video is currently unavailable
- S1 E16 - The Doomsday SanctionFebruary 18, 200523minWhile Superman battles Doomsday in the heart of a volcano, Batman discovers an elaborate conspiracy to destroy the Justice League.This video is currently unavailable
- S1 E17 - Task Force XMay 20, 200523minFive incarcerated supervillains are offered suspended sentences if they can survive an impossible mission: steal a deadly weapon from the Justice League's satellite headquarters.This video is currently unavailable
- S1 E18 - The BalanceMay 27, 200523minWonder Woman and Hawkgirl must put aside their feud and go to the depths of Tartarus when the evil sorcerer Felix Faust establishes dominion over Hades.This video is currently unavailable
- S1 E19 - Double DateJune 3, 200523minGreen Arrow and Black Canary race to stop The Question and Huntress from killing organized crime lord Tobias Whale.This video is currently unavailable
- S1 E20 - ClashJune 10, 200523minBefore Superman can even try to stop Lex Luthor's latest plot, he'll have to get past the world's mightiest mortal, Captain Marvel.This video is currently unavailable
- S1 E21 - Mystery in SpaceJune 17, 200523minResponding to a deep space distress call, Shayera leads her reluctant teammates Vigalante and Vixen into a deadly trap.This video is currently unavailable
- S1 E22 - Question AuthorityJune 24, 200523minThe Question discovers a secret that threatens to shake the very foundations of the Justice League.This video is currently unavailable
- S1 E23 - FlashpointJuly 1, 200523minTo avenge a fallen comrade, Superman declares war on Cadmus.This video is currently unavailable
- S1 E24 - Panic in the SkyJuly 8, 200523minWith the founding members out of action, the remaining 50 heroes fight to survive Cadmus' ultimate attack on the Justice League.This video is currently unavailable
- S1 E25 - Divided We FallJuly 15, 200523minWith most of the Justice League incapacitated, who will be left to stand against the League's deadliest enemies?This video is currently unavailable
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