7.9/10569 votes#1 - Underworld
Season 3 Episode 1 - Aired 10/7/2018
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.
Director: Tsuyoshi Tobita, Manabu Ono
Writer: Yukito Kizawa
7.6/10393 votes#2 - The Demon Tree
Season 3 Episode 2 - Aired 10/14/2018
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.
Director: Takashi Sakuma
Writer: Yukito Kizawa
7.7/10376 votes#3 - The End Mountains
Season 3 Episode 3 - Aired 10/21/2018
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.
Director: Shunsuke Ishikawa
Writer: Ko Nekota
8.2/10389 votes#4 - Departure
Season 3 Episode 4 - Aired 10/28/2018
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.
Director: Michiru Itabisashi
Writer: Ko Nekota
7.3/10354 votes#5 - Ocean Turtle
Season 3 Episode 5 - Aired 11/4/2018
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.
Director: Koji Kobayashi
Writer: Yukito Kizawa
7.4/10406 votes#6 - Project Alicization
Season 3 Episode 6 - Aired 11/11/2018
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.
Director: Hiroki Hirano
Writer: Yukito Kizawa
7.7/10343 votes#7 - Swordcraft Academy
Season 3 Episode 7 - Aired 11/18/2018
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.
Director: N/A
Writer: Ko Nekota
7.7/10343 votes#8 - Swordsman's Pride
Season 3 Episode 8 - Aired 11/25/2018
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.
Director: Shigeki Kawai
Writer: Yukito Kizawa
7.4/10337 votes#9 - Nobleman's Responsibilities
Season 3 Episode 9 - Aired 12/2/2018
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.
Director: Michiru Itabisashi
Writer: Muneo Nakamoto, Yukito Kizawa
8.7/10533 votes#10 - Taboo Index
Season 3 Episode 10 - Aired 12/9/2018
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.
Director: Shunsuke Nakashige
Writer: Muneo Nakamoto
7.4/10332 votes#11 - Central Cathedral
Season 3 Episode 11 - Aired 12/16/2018
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.
Director: Satoshi Saga
Writer: Muneo Nakamoto
7.9/10339 votes#12 - The Sage of the Library
Season 3 Episode 12 - Aired 12/23/2018
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.
Director: Tsuyoshi Tobita
Writer: Muneo Nakamoto, Yukito Kizawa
7.3/10333 votes#13 - Ruler and Mediator
Season 3 Episode 13 - Aired 1/6/2019
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.
Director: Hiroshi Kimura
Writer: Muneo Nakamoto, Yukito Kizawa
7.8/10339 votes#14 - The Crimson Knight
Season 3 Episode 14 - Aired 1/13/2019
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.
Director: N/A
Writer: Muneo Nakamoto
8.2/10350 votes#15 - The Relentless Knight
Season 3 Episode 15 - Aired 1/20/2019
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...
Director: Daige Tokuda, Hirotaka Tokuda
Writer: Muneo Nakamoto
8.1/10343 votes#16 - The Osmanthus Knight
Season 3 Episode 16 - Aired 1/27/2019
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.
Director: N/A
Writer: Muneo Nakamoto
7.8/10331 votes#17 - Truce
Season 3 Episode 17 - Aired 2/3/2019
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.
Director: Michiru Itabisashi
Writer: Yukito Kizawa
8.1/10344 votes#18 - The Legendary Hero
Season 3 Episode 18 - Aired 2/10/2019
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.
Director: N/A
Writer: Yukito Kizawa
5.9/10251 votes#19 - The Seal of the Right Eye
Season 3 Episode 19 - Aired 2/24/2019
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.
Director: N/A
Writer: Yukito Kizawa
7.9/10338 votes#20 - Synthesis
Season 3 Episode 20 - Aired 3/3/2019
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, but then...
Director: Takuma Suzuki, Satoshi Saga
Writer: Yukito Kizawa
7.4/10321 votes#21 - The 32nd Knight
Season 3 Episode 21 - Aired 3/10/2019
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.
Director: Shunsuke Nakashige
Writer: Yukito Kizawa
7.9/10334 votes#22 - Titan of the Sword
Season 3 Episode 22 - Aired 3/17/2019
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.
Director: Hiroshi Kimura
Writer: Muneo Nakamoto
7.7/10334 votes#23 - Administrator
Season 3 Episode 23 - Aired 3/24/2019
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.
Director: Michiru Itabisashi, Hirotaka Tokuda
Writer: Yukito Kizawa
7.7/10339 votes#24 - My Hero
Season 3 Episode 24 - Aired 3/31/2019
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.
Director: Takashi Sakuma, Manabu Ono
Writer: Yukito Kizawa
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!
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...
Genres:AnimationSci-Fi & FantasyAction & Adventure
Season 3 Ratings Summary
"Underworld" is the best rated episode of "Sword Art Online" season 3. It scored 7.9/10 based on 569 votes. Directed by Tsuyoshi Tobita, Manabu Ono and written by Yukito Kizawa, it aired on 10/7/2018. This episode is rated 0.3 points higher than the second-best, "The Demon Tree".