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Season guide

.hack: .hack//SIGN

26 episodes Premiered Apr 4, 2002 Updated Jul 23, 2026

.hack is a television series that follows several young players as they navigate the vast, mysterious MMORPG known as "The World". The series focuses on Tsukasa, a player who finds himself unable to log out of the game. Tsukasa must discover how he ended up stuck in the game and what connection he has with the Key of the Twilight, an item rumored to grant ultimate control over the digital realm.

Season overview

.hack is a television series that follows several young players as they navigate the vast, mysterious MMORPG known as "The World". The series focuses on Tsukasa, a player who finds himself unable to log out of the game. Tsukasa must discover how he ended up stuck in the game and what connection he has with the Key of the Twilight, an item rumored to grant ultimate control over the digital realm.

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Season 1 Episodes

Episode Guide

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Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

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

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Role Play

Apr 4, 2002 · 24 min

Tsukasa is trapped in an MMORPG called The World. With his conscious inaccessible, Tsukasa attempts to find his purpose for being in the game.

S1·E2 Core

Guardian

Apr 11, 2002 · 24 min

Tsukasa’s inability to log out of the world worries Mimiru. The Crimson Knights, on the other hand, see Tsukasa as a threat.

S1·E3 Core

Folklore

Apr 18, 2002 · 24 min

BT and Sora suspect that Tsukasa is somehow connected to a very important artifact, the Key of the Twilight.

S1·E4 Core

Wanted

Apr 25, 2002 · 24 min

Tsukasa's rampaging Guardian monster wreaks havoc in The World, and an edict from Subaru makes him a wanted man.

S1·E5 Core

Captured

May 2, 2002 · 24 min

Tsukasa finally tames his Guardian monster, but unbeknownst to him, someone is plotting his capture.

S1·E6 Core

Encounter

May 9, 2002 · 24 min

Subaru carefully observes Tsukasa, gradually getting to know him. Sora mounts a rescue mission.

S1·E7 Core

Reason

May 16, 2002 · 24 min

Mimiru encounters a novice player and offers her guidance in The World. This new relationship helps Mimiru uncover her own motivation for playing.

S1·E8 Core

Promise

May 23, 2002 · 24 min

Mimiru extends Tsukasa an invitation to meet; BT and Crim share an interesting encounter.

S1·E9 Core

Epitaph

May 30, 2002 · 24 min

An elite hacker proves instrumental in the quest for the Key of the Twilight, and Tsukasa gets stuck with a sick Grunty.

S1·E10 Core

Compensation

Jun 6, 2002 · 24 min

Bear's shortcomings as a father may be the root of his concern for Tsukasa. Clues arise as the search for the Key of the Twilight continues.

S1·E11 Core

Party

Jun 13, 2002 · 24 min

Mimiru, Bear, and Tsukasa join forces before embarking on a non-fighting quest.

S1·E12 Core

Entanglement

Jun 20, 2002 · 24 min

Tsukasa stumbles upon Aura, an advanced AI, that is being held captive.

S1·E13 Core

Twilight Eye

Jun 27, 2002 · 24 min

A way to open the Twilight Eye is discovered, and the group decides to follow the new path unfolding before them.

S1·E14 Core

Castle

Jul 4, 2002 · 24 min

After the Eye is opened, a secret area appears, complicating the group's search for the key.

S1·E15 Core

Evidence

Jul 11, 2002 · 24 min

Revisit all the major moments from this groundbreaking anime in a series of vivid flashbacks that may shed new light on past events!

S1·E16 Core

Depth

Jul 18, 2002 · 24 min

Tsukasa logs back into The World, only to discover that he cannot die. Shocked, he turns to Subaru for answers.

S1·E17 Core

Conflict

Jul 25, 2002 · 24 min

Crim refuses to meet BT outside of the game. Later, Tsukasa mounts a rescue attempt – and secrets are revealed.

S1·E18 Core

Declaration

Aug 1, 2002 · 24 min

Silver Knight disrupts any and all potential rendezvous between Subaru and Tsukasa. Subaru ponders the future of the Crimson Knights.

S1·E19 Core

Recollection

Aug 8, 2002 · 24 min

Subaru drifts aimlessly through The World, reflecting on her past experiences. Her connection with Tsukasa grows even stronger after an unexpected attack.

S1·E20 Core

Tempest

Aug 15, 2002 · 24 min

Aura goes missing, Morganna attacks Tsukasa, and the search for the Key of the Twilight continues.

S1·E21 Core

Despair

Aug 23, 2002 · 24 min

Tsukasa lingers in a catatonic state, and some immensely powerful monsters make their presence felt in The World.

S1·E22 Core

Phantom

Aug 29, 2002 · 24 min

Bear, Mimiru, and Subaru are attacked by yet another seemingly-unstoppable monster, but Balmung comes to the rescue.

S1·E23 Core

The Eve

Sep 5, 2002 · 24 min

Tsukasa is too frightened to pass through Helba's gate, and Crim explains Subaru's true life condition.

S1·E24 Core

Net Slum

Sep 12, 2002 · 24 min

Upon arriving in Helba's realm – Net Slum – the group is forced to defend Subaru from an attack by Morganna.

S1·E25 Mytharc

Catastrophe

Sep 19, 2002 · 24 min

As the battle intensifies, the group seeks shelter in the Cathedral. Morganna summons Guardians to do her bidding.

S1·E26 Mytharc

Return

Sep 26, 2002 · 24 min

Drawing strength from Subaru, Tsukasa summons the courage to awaken Aura. Outside of The World, players share a true life encounter.

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