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Series Overview

Color Story Arc Episodes Toonami Premiere Toonami Finale
Alicization Beginning 13 February 9, 2019 April 27, 2019
Alicization Rising 07 May 4, 2019 June 15, 2019
Alicization Uniting 04 June 22, 2019 July 13, 2019
Alicization Invading 05 January 18, 2020 February 15, 2020
Alicization Exploding 05 February 22, 2020 March 21, 2020
Alicization Awakening 07 March 28, 2020 December 12, 2020
Alicization Lasting 06 January 2, 2021 February 6, 2021

Alicization Beginning (2018-2019)

No. in Series

No. in Story Arc

Episode Title

Japanese Airdate

Toonami Airdate

01 01 "Underworld" October 6, 2018 February 9, 2019
Kirito, along with his childhood friend, Eugeo, has been tasked with cutting down a colossal tree called the Gigas Cedar. They’re swinging their axe when their friend Alice arrives with lunch. As they eat, the three friends decide to go to a fabled cave.
02 02 "The Demon Tree" October 13, 2018 February 16, 2019
Kirito awakens back in Underworld, but he does not remember how he got there. His memory fuzzy, he tries to log out, but is unable to return to the real world. After wandering aimlessly, he finds himself underneath a colossal tree.
03 03 "The End Mountains" October 20, 2018 February 23, 2019
Kirito makes up his mind to journey to Centoria. Since he’ll need Eugeo’s help, he also decides to fell the Gigas Cedar. Meanwhile, Alice’s little sister, Selka is worried about Eugeo, and opens up to Kirito about her concerns.
04 04 "Departure" October 27, 2018 March 2, 2019
Kirito and Eugeo realize Selka has taken off to the End Mountains alone, and decide to chase after her. As they enter the cave, they encounter goblins, presumably from the Dark Territory, and must engage in a battle.
05 05 "Ocean Turtle" November 3, 2018 March 9, 2019
In the real world, Kazuto Kirigaya lies unconscious. At Kikuoka’s request, Kazuto is moved to a well-equipped hospital, but when Asuna and Suguha try to visit, they’re turned away. Suspicious, Asuna and the others split up to find out more about Rath.
06 06 "Project Alicization" November 10, 2018 March 23, 2019
Asuna infiltrates Rath, the research lab in the Ocean Turtle, where she relentlessly grills Kikuoka about Kazuto’s whereabouts. Kikuoka reveals that behind the development of the Soul Translator is a mind-blowing objective of epic scale.
07 07 "Swordcraft Academy" November 17, 2018 March 30, 2019
Two years have gone by since Kirito and Eugeo left Rulid Village. In the capital city, Centoria, both boys have attained their goal of being admitted to the North Centoria Imperial Swordcraft Academy.
08 08 "Swordsman's Pride" November 24, 2018 March 30, 2019
Kirito finds himself in a duel against the Elite Disciple Volo Levantein, using real swords. As the curious crowd looks on, Kirito is encouraged by Sortiliena, and the duel begins.
09 09 "Nobleman's Responsibilities" December 1, 2018 April 6, 2019
Now an Elite Disciple along with Kirito, Eugeo struggles with the question of what he should infuse in his sword so he can become stronger. When he’s taunted by First-Seat Elite Disciple Raios and Second-Seat Humbert, Eugeo decides to accept Humbert’s request for a duel.
10 10 "Taboo Index" December 8, 2018 April 6, 2019
Ronie and Tiese are late getting to the dorm. Kirito rushes out in search of them, but no sooner has he gone than Frenica appears. She tells Eugeo about how she’s suffered at Humbert’s hands, and that Tiese and Ronie went to confront him about it.
11 11 "Central Cathedral" December 15, 2018 April 13, 2019
Kirito and Eugeo are now considered criminals for having violated the Taboo Index and are thrown into the underground prison in the Central Cathedral. Meanwhile, on the Ocean Turtle in the real world, Asuna is watching over Kazuto as he’s being treated.
12 12 "The Sage of the Library" December 22, 2018 April 20, 2019
Kirito and Eugeo escape from their cell, only to find their way blocked by Eldrie Synthesis Thirty-One, under orders from Alice to lie in wait for them. Kirito and Eugeo struggle against him until Eugeo realizes that he’s seen Eldrie somewhere before.
13 13 "Ruler and Mediator" January 5, 2019 April 27, 2019
Kirito and Eugeo have been rescued by the young girl, Cardinal, who has secluded herself inside the Central Cathedral’s Great Library. Cardinal explains to Kirito how the Axiom Church and the Taboo Index came to be, starting with Administrator’s past.

Alicization Rising (2019)

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Episode Title

Japanese Airdate

Toonami Airdate

14 01 "The Crimson Knight" January 12, 2019 May 4, 2019
After being entrusted with the fate of the world by Cardinal, Kirito and Eugeo head to the top floor of the Central Cathedral. They find their confiscated swords, only to be attacked by the bow-wielding Integrity Knight Deusolbert Synthesis Seven.
15 02 "The Relentless Knight" January 19, 2019 May 11, 2019
Kirito and Eugeo are on their way up the stairs of the Central Cathedral when they encounter two young girls named Linel and Fizel.
16 03 "The Osmanthus Knight" January 26, 2019 May 18, 2019
Though riddled with wounds, Kirito manages to activate his Perfect Weapon Control art. Continuing on their way to the top floor of the Central Cathedral, Kirito and Eugeo find themselves standing before a strange-looking floating platform.
17 04 "Truce" February 2, 2019 May 25, 2019
When Kirito and Alice both unleash the Perfect Weapon Control art in the Cloudtop Garden, the impact rips a hole into the seemingly impregnable Central Cathedral wall, which sends them both flying outside.
18 05 "The Legendary Hero" February 9, 2019 June 1, 2019
Eugeo reaches the ninetieth floor of the Central Cathedral, which turns out to be a vast bathing area. The perplexed Eugeo encounters Bercouli Synthesis One soaking in the bath. Meanwhile, Kirito and Alice are still climbing the Central Cathedral wall.
18.5 5.5 "Recollection" February 16, 2019 Unaired
To help Alice Synthesis Thirty recall that she was once Alice Zuberg, and to let her know the true reason why she became an Integrity Knight, Kirito starts to tell her about the path he and Eugeo have traveled till now.
19 06 "The Seal of the Right Eye" February 23, 2019 June 8, 2019
Seeing Alice’s reaction when he mentioned the name Selka, Kirito decides to tell her the truth about the Integrity Knights. Meanwhile, after being knocked unconscious during his battle with Bercouli, Eugeo awakes on the top floor of the cathedral.
20 07 "Synthesis" March 2, 2019 June 15, 2019
Kirito and Alice reach the communal bath on the nintieth floor. There, they find the Integrity Knight Commander, Bercouli, who’s been turned to stone by Chudelkin. Alice breaks down in tears upon seeing her mentor’s tragic plight.

Alicization Uniting (2019)

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Episode Title

Japanese Airdate

Toonami Airdate

21 01 "The 32nd Knight" March 9, 2019 June 22, 2019
Standing in Kirito and Alice’s way is Eugeo, who’s undergone the Synthesis Ritual and become an Integrity Knight. Kirito is rattled, until Alice admonishes him into resolving to fight Eugeo with everything he’s got.
22 02 "Titan of the Sword" March 16, 2019 June 29, 2019
On the top floor of the Central Cathedral, Kirito, Eugeo, and Alice finally face Administrator. But Chudelkin uses the sacred arts to transform himself into a giant clown and attacks.
23 03 "Administrator" March 23, 2019 July 6, 2019
Cardinal appears on the top floor of Central Cathedral for a showdown with her bitter foe of the last two hundred years. She moves to achieve her objective of deleting Administrator, only to see the fallen sword golem rise up again.
24 04 "My Hero" March 30, 2019 July 13, 2019
Carrying the hopes of Cardinal, Eugeo, and Alice in his heart, Kirito stands yet again and visualizes the Black Swordsman, the top player who cleared SAO. For the sake of everyone he’s encountered in this world, Kirito, faces off with Administrator.

Alicization Invading (2019)

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Episode Title

Japanese Airdate

Toonami Airdate

24.5 0.5 "Reflection" October 5, 2019 Unaired
A recap episode summarizing the first 24 episodes. Asuna and Alice reflect on the series of events that have led to their current predicaments and what they have learned along the way.
25 01 "In the Far North" October 12, 2019 January 18, 2020
Six months have passed since the fierce battle against Administrator. Alice has brought Kirito to her childhood home, Rulid Village, where they live peacefully. Gazing out at the world that she saved with Kirito, Alice reflects on all that’s happened.
26 02 "Raids" October 19, 2019 January 25, 2020
A force from the Dark Territory is attacking Rulid Village. Though she’d lost her purpose in battle, in order to fight for her family, and for the people that Kirito and Eugeo tried to protect, Alice takes up the Osmanthus Blade once again!
27 03 "The Final Load Test" October 26, 2019 February 1, 2020
The mysterious group that attacked the Ocean Turtle turns out to be a secret unit under orders from the U.S. National Security Agency. And its leader, Gabriel, has battled Kirito and Sinon before.
28 04 "Dark Territory" November 2, 2019 February 8, 2020
Shasta, commander of the Dark Territory’s dark knights, had intended to use Administrator’s death as a chance for peace with the Human Empire. But his plans are thwarted by Emperor Vecta’s return to the land of darkness.
29 05 "The Night Before Battle" November 9, 2019 February 15, 2020
Resolved to fight for humankind, Alice joins the forces of the Human Empire, bringing Kirito with her. But while the forces of darkness boast overwhelming numbers, only thirteen Integrity Knights are available to fight for the Human Empire.

Alicization Exploding (2019)

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Episode Title

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Toonami Airdate

30 01 "Battle of the Knights" November 16, 2019 February 22, 2020
The Final Load Test has begun, and the Eastern Gate has collapsed. Incited by Gabriel, now Emperor Vecta, the massive army of the land of darkness pushes on towards the Human Empire.
31 02 "Stigma of the Disqualified" November 23, 2019 February 29, 2020
Integrity Knight Renly Synthesis Twenty-Seven, in battle for the first time, flees his position, allowing goblins from the forces of darkness to infiltrate Kirito's tent.
32 03 "Blood and Life" November 30, 2019 March 7, 2020
The powerful formal art unleashed by the Integrity Knight Alice inflicts severe casualties on the forces of darkness. Alice encounters an enemy survivor and learns that Emperor Vecta's objective is to find the "Priestess of Light."
33 04 "Sword and Fist" December 7, 2019 March 14, 2020
Upon seeing Alice, Gabriel orders his entire army to capture her. The pugilists guild races ahead of the main force. As Alice and Bercouli try to come up with a strategy to counter them, the silent Integrity Knight Sheyta Synthesis Twelve steps forward.
34 05 "Stacia, the Goddess of Creation" December 14, 2019 March 21, 2020
Asuna has logged into the Underworld using the superuser account of Stacia, the Goddess of Creation. After she descends, she is reunited with Kirito, thanks to Ronie and Tiese. But soon Alice arrives, leading to a precarious situation!

Alicization Awakening (2019-2020)

No. in Series

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Episode Title

Japanese Airdate

Toonami Airdate

35 01 "Heartless Choice" December 21, 2019 March 28, 2020
Asuna has created a bottomless chasm. The dark knights and the pugilists attempt to cross over to the other side, where the Human Empire Army waits. Meanwhile, Critter releases an announcement about a limited-time beta test for a bizarre new VRMMO.
36 02 "Ray of Light" December 28, 2019 April 4, 2020
Due to Gabriel's scheme, U.S. players were given black knight accounts, and are now continuously logging in to the Underworld. They begin mercilessly slaughtering soldiers from both the Human Empire Army and the Dark Territory Army.
36.5 2.5 "Reminiscence" July 4, 2020 Unaired
A recap episode summarizing the first 36 episodes.
37 03 "The War of Underworld" July 11, 2020 November 7, 2020
Sinon has logged in with the super-account of Solus, the Sun Goddess and rescues Asuna and the others at the last minute. Meanwhile, Leafa logs in with the super-account of Terraria, the Earth Goddess, and descends to the Underworld.
38 04 "End to Eternity" July 18, 2020 November 14, 2020
Despite its modest size, the Human Empire Army and Asuna valiantly battle the wave of American players surging towards them. But they’re hopelessly outnumbered, and the Human Empire soldiers start to fall one after another.
39 05 "Instigation" July 25, 2020 November 21, 2020
Bercouli pursues Vecta, who’s abducted Alice. After a long, vicious battle, Bercouli unleashes his secret sword skill, Uragiri, and finally defeats Vecta, despite having sustained severe injuries himself.
40 06 "Code 871" August 1, 2020 December 5, 2020
The traitor inside Rath turns out to be a researcher named Yanai. When Higa attempts to restore Kirito, Yanai tries to thwart the operation by holding him at gunpoint. Meanwhile, in the Underworld, Sinon confronts Gabriel, who has logged back in.
41 07 "Prince of Hell" August 8, 2020 December 12, 2020
Asuna and the others succumb to Vassago and the Chinese/Korean players. Discovering the catatonic Kirito, Vassago kicks his wheelchair over. Enraged, Klein lunges at Vassago, only to be pinned down by enemy players. Just then, someone unexpected appears.

Alicization Lasting (2020)

No. in Series

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Episode Title

Japanese Airdate

Toonami Airdate

42 01 "Memories" August 15, 2020 January 2, 2021
Sinon manages to severely damage Gabriel, but her strength has been sapped. Leafa collapses after wiping out the American players. And Asuna, her situation now hopeless, gazes at Kirito. But the Black Swordsman continues to wander through his dreams.
43 02 "Awakening" August 22, 2020 January 9, 2021
Escaping his nightmares, Kirito regains consciousness at last. With the Night-Sky Blade in his right hand and the broken Blue Rose Sword in his left, he faces off against Vassago, armed with the Mate-Chopper, now enormous in size.
44 03 "The Night-Sky Blade" August 29, 2020 January 16, 2021
Alice and Asuna head to the World’s End Altar as Kirito confronts Gabriel. Unless he can defeat Gabriel and return to the real world before the maximum-acceleration phase begins, Kirito will have to spend the next 200 years in the Underworld.
45 04 "Beyond Time" September 5, 2020 January 23, 2021
The maximum-acceleration phase has begun. Alice successfully logs out of the Underworld, but Kirito doesn’t make it in time. In the real world, Higa and Kikuoka rush to shut down the STL, in order to disable the maximum-acceleration phase.
46 05 "Alice" September 12, 2020 January 30, 2021
The “Rath Attack Incident,” masterminded by the American National Security Agency, is over. Now head of the newly formed Oceanic Resource Exploration & Research Institution, Rinko unveils Alice to the world as an authentic artificial general intelligence.
47 06 "New World" September 19, 2020 February 6, 2021
Rinko informs Kazuto that Alice is missing. He’s about to rush to the Rath Roppongi branch when the doorbell rings. In a panic, Kazuto throws open the door, only to find a deliveryman there with a huge cardboard box.
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