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The Best Episodes of Sword Art Online Season 3

Every episode of Sword Art Online Season 3 ranked from best to worst. Discover the Best Episodes of Sword Art Online Season 3!

The Best Episodes of Sword Art Online Season 3

In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars...

Seasons4

  1. Background image for Underworld
    7.9/10(688 votes)

    #1 - Underworld

    S3:E1

    Kirito, along with his childhood friend, Eugeo, has been tasked with cutting down a colossal tree called the Gigas Cedar. They’re swinging their ax when their friend Alice arrives with lunch. As they eat, the three friends decide to go to a fabled cave.

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  2. Background image for The Demon Tree
    7.7/10(505 votes)

    #2 - The Demon Tree

    S3:E2

    Kirito wakes up to find himself inside a mysterious world evoking a fantasy game. 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.

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  3. Background image for The End Mountains
    7.7/10(489 votes)

    #3 - The End Mountains

    S3:E3

    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.

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  4. Background image for Departure
    8.2/10(505 votes)

    #4 - Departure

    S3:E4

    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.

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  5. Background image for Ocean Turtle
    7.3/10(466 votes)

    #5 - Ocean Turtle

    S3:E5

    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.

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  6. Background image for Project Alicization
    7.4/10(519 votes)

    #6 - Project Alicization

    S3:E6

    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.

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    The 20 BEST Episodes of Sword Art Online

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  8. Background image for Swordcraft Academy
    7.7/10(454 votes)

    #7 - Swordcraft Academy

    S3:E7

    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.

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  9. Background image for Swordsman's Pride
    7.7/10(457 votes)

    #8 - Swordsman's Pride

    S3:E8

    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.

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  10. Background image for Nobleman's Responsibilities
    7.4/10(448 votes)

    #9 - Nobleman's Responsibilities

    S3:E9

    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.

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  11. Background image for Taboo Index
    8.7/10(686 votes)

    #10 - Taboo Index

    S3:E10

    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.

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  12. Background image for Central Cathedral
    7.4/10(442 votes)

    #11 - Central Cathedral

    S3:E11

    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.

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  13. Background image for The Sage of the Library
    7.9/10(448 votes)

    #12 - The Sage of the Library

    S3:E12

    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.

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  14. Background image for Ruler and Mediator
    7.3/10(443 votes)

    #13 - Ruler and Mediator

    S3:E13

    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.

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  15. Background image for The Crimson Knight
    7.8/10(448 votes)

    #14 - The Crimson Knight

    S3:E14

    After being entrusted with the fate of the world by the Cardinal, Kirito and Eugeo head to the top floor of the Central Cathedral. On the way, they find their confiscated swords among a vast pile of weapons in an arsenal, only to be greeted with a hail of arrows by the Integrity Knight, Deusolbert Synthesis Seven.

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  16. Background image for The Relentless Knight
    8.2/10(462 votes)

    #15 - The Relentless Knight

    S3:E15

    Kirito and Eugeo are on their way up the stairs of the Central Cathedral when they encounter two girls named Linel and Fizel. As they stand, wondering what two children are doing there, they let their guard down and...

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  17. Background image for The Osmanthus Knight
    8.1/10(455 votes)

    #16 - The Osmanthus Knight

    S3:E16

    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.

    Director:Saori Den
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  18. Background image for Truce
    7.8/10(441 votes)

    #17 - Truce

    S3:E17

    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.

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  19. Background image for The Legendary Hero
    8.2/10(461 votes)

    #18 - The Legendary Hero

    S3:E18

    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.

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  20. Background image for The Seal of the Right Eye
    6.1/10(347 votes)

    #19 - The Seal of the Right Eye

    S3:E19

    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.

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  21. Background image for Synthesis
    7.9/10(446 votes)

    #20 - Synthesis

    S3:E20

    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, but then...

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  22. Background image for The 32nd Knight
    7.5/10(429 votes)

    #21 - The 32nd Knight

    S3:E21

    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.

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  23. Background image for Titan of the Sword
    7.9/10(445 votes)

    #22 - Titan of the Sword

    S3:E22

    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.

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  24. Background image for Administrator
    7.8/10(445 votes)

    #23 - Administrator

    S3:E23

    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.

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  25. Background image for My Hero
    7.7/10(454 votes)

    #24 - My Hero

    S3:E24

    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.

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Season 3 Ratings Summary

"Underworld" is the best rated episode of "Sword Art Online" season 3. It scored 7.9/10 based on 688 votes. Directed by Tsuyoshi Tobita, Manabu Ono and written by Yukito Kizawa, it aired on 10/7/2018. This episode is rated 0.2 points higher than the second-best, "The Demon Tree".