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Season guide

Justice League: Season 2

26 episodes Premiered Jul 5, 2003 Updated Oct 3, 2026
Previously on Justice League

Season 2 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Justice League Season 1.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 2 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 2 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 2: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

15%
85%
Mytharc (4): Crucial lore & season climaxes
Core (22): Character development & subplots
Side Quest (0): Standalone / filler
S2·E1 Mytharc

Twilight (1)

Jul 5, 2003 · 24 min

The Justice League is forced to ally with Darkseid against an enemy powerful enough to threaten both Earth and Apokolips.

S2·E2 Core

Twilight (2)

Jul 5, 2003 · 24 min

The League are forced to battle both Darkseid and Brainiac, while Wonder Woman and Batman seek the aid of Orion, son of Darkseid.

S2·E3 Core

Tabula Rasa (1)

Oct 4, 2003 · 24 min

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.

S2·E4 Core

Tabula Rasa (2)

Oct 4, 2003 · 24 min

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 human

S2·E5 Core

Only a Dream (1)

Oct 11, 2003 · 24 min

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 manipu

S2·E6 Mytharc

Only a Dream (2)

Oct 11, 2003 · 24 min

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.

S2·E7 Core

Maid of Honor (1)

Oct 18, 2003 · 24 min

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.

S2·E8 Core

Maid of Honor (2)

Oct 18, 2003 · 24 min

Batman and Wonder Woman move against Kasnia to prevent Vandal Savage from terrorizing the world with his orbital rail gun.

S2·E9 Core

Hearts and Minds (1)

Oct 25, 2003 · 24 min

John Stewart leaves on a mission to help his fellow Green Lanterns overthrow a intergalactic dictator with strange powers.

S2·E10 Core

Hearts and Minds (2)

Oct 25, 2003 · 24 min

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, Kil

S2·E11 Core

A Better World (1)

Nov 1, 2003 · 24 min

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.

S2·E12 Core

A Better World (2)

Nov 1, 2003 · 24 min

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.

S2·E13 Core

Eclipsed (1)

Nov 8, 2003 · 24 min

A strange gemstone possesses all who touch it, turning them to evil...including Wonder Woman.

S2·E14 Core

Eclipsed (2)

Nov 8, 2003 · 24 min

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.

S2·E15 Core

The Terror Beyond (1)

Nov 15, 2003 · 24 min

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

S2·E16 Core

The Terror Beyond (2)

Nov 15, 2003 · 24 min

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.

S2·E17 Core

Secret Society (1)

Nov 22, 2003 · 24 min

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-cooper

S2·E18 Core

Secret Society (2)

Nov 22, 2003 · 24 min

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

S2·E19 Core

Hereafter (1)

Nov 29, 2003 · 24 min

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.

S2·E20 Core

Hereafter (2)

Nov 29, 2003 · 24 min

Superman finds himself on a devastated future Earth with the man responsible - Vandal Savage.

S2·E21 Core

Wild Cards (1)

Dec 6, 2003 · 24 min

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

S2·E22 Core

Wild Cards (2)

Dec 6, 2003 · 24 min

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.

S2·E23 Core

Comfort and Joy

Dec 13, 2003 · 24 min

The Justice Leaguers go their separate ways to celebrate the holiday season.

S2·E24 Core

Starcrossed (1)

May 29, 2004 · 24 min

The Thangarians, Hawkgirl's people, arrive on Earth to aid them against the menace of the Gordanians. But all is not what it seems.

S2·E25 Mytharc

Starcrossed (2)

May 29, 2004 · 24 min

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.

S2·E26 Mytharc

Starcrossed (3)

May 29, 2004 · 24 min

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.

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