1x1 - Initiation

July 31, 2004

After unsuccessfully attempting to recruit the Green Arrow to join the expanded League, he plays an important role with a team sent to manage a crisis in Asia.

1x2 - For the Man Who Has Everything

August 7, 2004

Batman and Wonder Woman find Superman immobilized in the Fortress of Solitude by a plant sent by the would-be conqueror Mongul.

1x3 - Hawk and Dove

August 21, 2004

Ares creates a war machine called the Annihilator to escalate a civil war in Kasnia. Hawk, Dove, and Wonder Woman try to stop his plans.

1x4 - Fearful Symmetry

September 4, 2004

Supergirl, Green Arrow, and The Question investigate Supergirl's disturbing dreams. They discover that Cadmus created a clone of Supergirl named Galatea while she was recovering from her fight against Superman on Earth.

1x5 - Kid Stuff

August 14, 2004

Morgaine Le Fey transforms Superman, Batman, Wonder Woman, and Green Lantern into children after Mordred uses his magic to remove all adults from Earth and keep children on the Earth.

1x6 - This Little Piggy

August 28, 2004

When Circe changes Wonder Woman into a pig, Batman and Zatanna must find her and change her back.

1x7 - The Return

September 18, 2004

After blasting through the entire Green Lantern Corps, the android Amazo returns to Earth. Only the Justice League stands between him and his goal -- the now-reformed Lex Luthor.

1x8 - The Greatest Story Never Told

September 11, 2004

The Justice League battle Mordru in the background, while the narrative follows Booster Gold as he attempts to close a walking black hole while he's supposed to be on "crowd control".

1x9 - Ultimatum

December 4, 2004

A team of too-good-to-be-true superheroes find out the truth about their origins and go on the rampage.

1x10 - Dark Heart

December 11, 2004

Most of the League battles with powerful alien nanotechnology but, realize that the waves of self-replicating robots cannot be simply destroyed. The diminutive Atom shrinks himself to stop the robots from the inside.

1x11 - Wake the Dead

December 18, 2004

A trio of high school kids accidentally resurrect Solomon Grundy, reviving him more powerful than ever but with no memories of his past. Dr. Fate, Amazo, Aquaman, and Shayera assist League regulars stopping his rampage.

1x12 - The Once and Future Thing (1): Weird Western Tales

January 1, 2005

While pursuing a time traveling thief, Batman, Wonder Woman and Green Lantern team up with a collection of DC Universe western heroes to battle the villain controlling him.

1x13 - The Once and Future Thing (2): Time, Warped

January 29, 2005

The time traveling League team goes to the future to team up with that time's League to battle Chronos who rules.

1x14 - The Cat and the Canary

February 5, 2005

Black Canary convinces Green Arrow to help save her mentor, Wildcat, from his involvement in an underground, super-powered fight club known as MetaBrawl.

1x15 - The Ties That Bind

February 12, 2005

Mister Miracle and Big Barda solicit Justice League assistance to free Oberon from Apokolips. J'onn refuses, but Flash decides to help out on his own.

1x16 - The Doomsday Sanction

February 19, 2005

Superman battles Doomsday in the heart of a volcano. Doomsday is revealed to be a modified clone of Superman. Batman probes the Cadmus conspiracy to destroy the Justice League.

1x17 - Task Force X

May 21, 2005

Cadmus has recruited a team of supervillains named Task Force X (based on the comics' Suicide Squad) made up of Deadshot, Plastique, Captain Boomerang, and the Clock King. Their mission: steal the Annihilator armor from the Watchtower.

1x18 - The Balance

May 28, 2005

To help her magic superhero friends, the God Hermes sends Wonder Woman on a mission to help free Hades from the clutches of Felix Faust.

1x19 - Double Data

June 4, 2005

Seeking to avenge the death of her parents, the Huntress enlists the help of the Question in tracking down Steven Mandragora, a mobster in protective custody -- and being guarded by the Green Arrow and Black Canary.

1x20 - Clash

June 11, 2005

Captain Marvel joins the Justice League and his innocent presence inadvertently causes friction with Superman.

1x21 - Hunter's Moon

June 18, 2005

Shayera, Vixen and Vigilante are lured into an ambush by Thanagarians seeking revenge.

1x22 - Question Authority

June 25, 2005

The Question, fearing disaster, decides to kill Lex Luthor to avert it.

1x23 - Flashpoint

July 2, 2005

Lex Luthor executes his masterstroke to eliminate Project Cadmus and frame the Justice League.

1x24 - Panic in the Sky

July 9, 2005

While the senior Leaguers struggle to respond to the mysterious main gun firing, Amanda Waller orders Galatea to lead a full attack on the Justice League.

1x25 - Divided We Fall

July 16, 2005

The Justice League charter members must battle the combined Lex Luthor/Brainiac menace alone.

1x26 - Epilogue

July 23, 2005

In the future, Terry McGinnis learns the truth about his birth.

Kevin Conroy

Batman / Bruce Wayne (voice), Batman (voice)

George Newbern

Clark Kent / Superman (voice), Superman (voice)

Susan Eisenberg

Princess Diana / Wonder Woman (voice), Wonder Woman (voice)

Carl Lumbly

J'onn J'onzz (voice), J'onn J'onzz / Martian Manhunter (voice)

Phil LaMarr

Green Lantern / John Stewart (voice), Green Lantern (voice)