Season 1
Episode #1 – Initiation
Original Airdate – July 31st 2004 – Series Premiere
A reluctant Green Arrow joins forces with the new Justice League to stop a rampaging nuclear monster in Asia.
Episode #2 – For the Man Who Has Everything
Original Airdate – August 7th 2004
Batman and Wonder Woman visit the Fortress of Solitude on Superman’s birthday, only to find him trapped by Mongul.
Episode #3 – Hawk and Dove
Original Airdate – August 21st, 2004
Wonder 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.
Episode #4 – Fearful Symmetry
Original Airdate – September 4th, 2004
Supergirl discovers that a series of nightmares she’s been having about being an assassin may be far more than just a bad dream.
Note: Originally called "Galatea"
Episode #5 – Kid Stuff
Original Airdate – August 14th, 2004
Superman, Batman, Wonder Woman and Green Lantern are transformed into eight-year-olds in a desperate attempt to save the world from the magic of Mordred.
Episode #6 – This Little Piggy
Original Airdate – August 28th, 2004
It’s musical mayhem when Batman and Zatanna join forces to save a teammate from a fate worse than death.
Episode #7 – The Return
Original Airdate – September 18th, 2004
Nearly two-dozen heroes join forces to prevent an all-powerful android from reaching his goal: the recently reformed Lex Luthor.
Episode #8 – The Greatest Story Never Told
Original Airdate – September 11th, 2004
The Justice League is in epic battle with Mordu in downtown Metropolis, but the real story is what happens to Booster Gold while he’s supposed to be on "crowd control".
Episode #9 – Ultimatum
Original Airdate – December 4th, 2004
The Justice League meets the Ultimen, a popular group of young heroes who are about to discover their own horrifying secret origins.
Episode #10 – Dark Heart
Original Airdate – December 11th, 2004
When the entire League is helpless to stop an alien invasion, the world’s only hope is the Atom, a microscopic super hero.
Episode #11 – Wake the Dead
Original Airdate – December 18th, 2004
When Solomon Grundy rises from the grave, an old friend must come out of hiding and team up with the League once more.
Episode #12 – The Once and Future Thing, Part 1: Weird Western Tales
Original Airdate – January 22nd, 2005
Batman, 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.
Episode #13 – The Once and Future Thing, Part 2: Time Warped
Original Airdate – January 29th, 2005 – Season Finale
The Justice League’s adventures in time take them to a futuristic Gotham
City, where they join forces with that era’s Batman and his super team:
The Justice League Unlimited.
Season 2
Episode #14 – The Cat and the Canary
Original Airdate – February 5th 2005 – Season Premiere
Black Canary convinces Green Arrow to help save her mentor, the Wildcat, from his involvement in an underground, super-powered fight club.
Episode #15 – The Ties That Bind
Original Airdate – February 12th 2005
The world’s greatest escape artist needs help from the Flash in order to break a deadly enemy out of an inescapable prison on an alien planet.
Episode #16 – Doomsday Sanction
Original Airdate – February 19th 2005
While Superman battles Doomsday in the heart of a Volcano, Batman discovers an elaborate conspiracy to destroy the Justice League.
Episode #17 – Task Force X
Original Airdate – May 21st, 2005
Five incarcerated super villains are offered suspended sentences if they can survive an impossible mission: steal a deadly weapon from the
Justice League?s satellite headquarters.
Episode #18 – The Balance
Original Airdate – May 28th, 2005
Wonder 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.
Episode #19 – Double Date
Original Airdate – June 4th, 2005
Green Arrow and Black Canary race to stop The Question and Huntress from killing organized crime lord, Tobias Whale.
Episode #20 – Clash
Original Airdate – June 11th, 2005
The world?s mightiest mortal, Captain Marvel, joins the Justice League but even his power may not be enough to foil Lex Luthor?s latest plot.
Episode #21 – Hunter’s Moon
Original Airdate – June 18th, 2005
Responding to a deep space distress call, Shayera leads her reluctant teammates Vigilante and Vixen into a deadly trap.
Originally titled "Mystery in Space".
Episode #22 – Question Authority
Original Airdate – June 25th, 2005
The Question discovers a secret that threatens to shake the very foundations of the Justice League.
Episode #23 – Flashpoint
Original Airdate – July 2nd, 2005
To avenge a fallen comrade, Superman declares war on Cadmus.
Episode #24 – Panic in the Sky
Original Airdate – July 9th, 2005
With the founding members out of action, the remaining 50 heroes fight to survive Cadmus? ultimate attack on the Justice League.
Episode #25 – Divided We Fall
Original Airdate – July 16, 2005
When most of the Justice League is incapacitated, who will be left to stand against the League deadliest enemies?
Episode #26 – Epilogue
Original Airdate – July 23rd, 2005 – Second Season Finale
50 years in the future, the history of the Justice League is the key to
Batman?s darkest secret ?and his final destiny.
Season 3
Episode #27 – I Am Legion
Original Airdate – September 17th 2005 – Season Premiere
Lex Luthor escapes from a maximum security prison, only to be invited to join Grodd’s unstoppable Legion of Doom.
Originally titled "We Are Legion."
Episode #28 – Shadow of the Hawk
Original Airdate – September 17th 2005
Batman is suspicious of Shayera’s new boyfriend, a mysterious archeologist with sinister ties to her Thanagarian past.
Episode #29 – Chaos at the Earth’s Core
Original Airdate – September 24th 2005
Supergirl, Stargirl and Green Lantern go to Skartaris, the fantastic, hidden world at the Earth’s core, to help free it from the rule of a brutal dictator.
Originally titled "Heart of Stone."
Episode #30 – To Another Shore
Original Airdate – September 24th 2005
Wonder Woman stumbles onto a plot to steal the powers hidden inside the 3000-year-old, frozen remains of the legendary hero, the Viking
Prince.
Originally titled "Elegy."
Episode #31 – Flash and Substance
Original Airdate – February 11th, 2006
Batman and Orion see a different side of the Flash when a rogues?
gallery of villains attacks the museum that is opening in his honor.
Episode #32 – Dead Reckoning
Original Airdate – February 18th, 2006
The ghost of a circus performer convinces Superman, Batman and Wonder
Woman to help him retrieve the stolen souls of a mystic order of Monks.
Episode #33 – Patriot Act
Original Airdate – February 25th, 2006
When an out of control super soldier threatens Metropolis, Green Arrow leads seven non-powered Justice Leaguers, including Crimson Avenger and
Shining Knight, in a battle they can?t hope to win.
Episode #34 – The Great Brain Robbery
Original Airdate – March 4th, 2006
A mystical accident leads to Lex Luthor and the Flash?s minds being swapped into each other?s bodies.
Episode #35 – Grudge Match
Original Airdate – March 11th, 2006
Roulette starts Metabrawl (?Cat and Canary?) again, this time with an all-female fight card made up of Justice Leaguers.
Episode #36 – Far From Home
Original Airdate – April 15th, 2006
Supergirl, Green Lantern and Green Arrow travel into the future where they meet the Legion of Super Heroes and their enemies The Fatal Five.
Episode #37 – Ancient History
Original Airdate – April 29th, 2006
The Shadow Thief returns and so does Hawkman as more mysteries from
?Shadow of the Hawk? are explored.
Episode #38 – Alive! (Part 1)
Original Airdate – May 6th, 2006
In a knock-down drag out battle on Earth and in space, the power moving behind the scenes of the villains is revealed leading to the most unexpected team-up in Justice League history.
Episode #39 – Destroyer (Part 2)
Original Airdate – May 13th, 2006 – Series Finale
In a knock-down drag out battle on Earth and in space, the power moving behind the scenes of the villains is revealed leading to the most unexpected team-up in Justice League history.
Crossovers & Specials
Episode #50 – The Call: Part 1 (Batman Beyond)
Original Airdate – November 11th, 2000
Superman drafts Batman into the League of Superheroes when he suspects there is a traitor among them. Batman ferrets out the traitor, and the reason for his treasonous behavior. It all comes down to a one-on-one battle between Batman and one of the greatest heroes of all time.
Episode #51 – The Call: Part 2 (Batman
Beyond)
Original Airdate – November 18th, 2000
Batman must go up against the traitor within the JLA ranks, which will have lasting repercussions on Batman, and the JLU itself.
Justice League vs The Fatal Five (Animated Movie)
Release Date – Digital – March 30, 2019; Physical – April 16, 2019
The Earth’s future hangs in the balance when the Justice League faces a powerful new threat – the Fatal Five.