Action · Adventure · Anime · Fantasy
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 with their bodies using a piece of technology called: Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them captive unless they reach the 100th floor of the game's tower and defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now...
96 listed episodes across 4 seasons. Air dates are provided by TVmaze and can change.
In the near future, a virtual reality game called Sword Art Online has been released where players control their avatars with their bodies. One day players discover they cannot log out, as the game creator is holding them captive unless they defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now.
It's been one month since the players' entrapment in the game. Nearly 2000 people have died and the first floor hasn't been cleared yet.
Kirito faces the consequences after witnessing the deaths of some of his friends in reality.
Dragon Tamer Silca leaves her group and pays the ultimate price. But before she is killed, Kirito offers her a choice that could have saved her life.
A player has been killed inside a safe zone and not by one of the known means. Asuna and Krito take it upon themselves to find out how and why this happened.
After much investigating, Kirito figured out how players are dying in the safe zone and now he has to figure out why. Unfortunately danger is just around the corner.
Kirito seeks the help of Asuna's friend, Lisbeth, to craft a custom made sword.
Kirito begins a rivalry with Asuna's bodyguard, who is also a member of the Knights of the Blood Oath.
To save a group of players, including Asuna, from a boss character, Kirito is forced to play his trump card.
Kirito duels the leader of the Knights of the Blood Oath in exchange for Asuna's freedom.
A newly married couple is enjoying their time away from the frontlines. Unfortunately, a new guest will take them all the way back to the beginning.
Yulier is second-in-command of the Liberation Army and has approached Kirito and Asuna for help. She needs to save her friend and her guild.
Kirito and Asuna's vacation is cut short when Heathcliff requests their return.
It's game over. Kirito and Asuna spend their last moments together. Will they find one another again?
Kirigaya is adjusting to his life outside of the game, but he hasn't forgotten about Asuna. During a recent visit to the hospital he meets Sugou Nobuyuki.
A new MMO allows users to fly and encourages player killing. Kirito has joined this new game in search of Asuna and is pleasantly surprised with what he finds.
As Kirito learns about the game and the hatred between the races from Leafa, Asuna learns the truth of her role from the Fairy King.
Leafa is making enemies when she leaves her area to team up with Kirito. On their way to neutral territory rules and areas are discussed.
Leafa realizes something isn't right when recon sends an ominous message. What does it mean and will Leafa and Kirito have time to figure it out?
Kirito poses as an ambassador during a major meeting. If he can survive a fight against the Salamanders' General Eugene, his plan to prevent war might work.
While Asuna continues her attempt to escape, another woman in Kirito's life tries to make sense of her emotions.
Kirito's determination to save Asuna borders on sloppy and insane. His recklessness is stopped when Leafa suddenly logs out.
Even though a wall has been built between Kirito and Sugu he is determined to save Asuna. The next time he challenges the final dungeon he won't be alone.
Kirito, Asuna, and Yui are finally together again, but the locks placed on Asuna are unbreakable. Before they have a chance to come up with a plan, the Fairy King makes his grand entrance.
Kazuto has beaten death twice, but there's one more thing he must do before he can see Asuna in the real world.
2 years after the events of sword art online, Kirito is approached by a government agent with a new proposition after the apparent murder of pro players of the new main stream MMO Gun Gale Online.
In a flashback, on September 14, 2025, Sinon, who had accidentally fallen down a trap chute while navigating a dungeon below SBC Gurokken in GGO, discovers a boss-class monster and decides to die while trying to defeat it. To her surprise, the position she chose for her attack was out of the monster's attack range, and thus, by conserving her ammo and accurately hitting the boss's weak spot, she is eventually able to defeat it and acquire a new sniper rifle, the PGM Ultima Ratio Hecate II. In the present day, during an ambush on an enemy squadron, Sinon attempts to snipe a target, but he turns out to be a bodyguard named "Behemoth," who over…
In real life, Sinon is afraid of the sight of guns because of a robbery gone bad. Kirito tells Asuna he plans to log into Gun Gal Online.
As some people are killed within the game Gun Gale Online, Kirito gets back in action, as the murderer may also be a survivor of Sword Art Online
To bait out Death Gun, Kirito enters Bullet of Bullets, a tournament to decide the most powerful gunman in GGO.
After witnessing Kirito's win in his first preliminary match, Death Gun asks Kirito if he is the real deal. Before he can answer Kirito notices his tattoo of Laughing Coffin and wonders if he's run into him before.
Suguha confronts Kazuto about his activities in the online world as he grapples with having killed people in the Sword Art Online incident.
Certain that Death Gun is competing in the BoB final, Kirito approaches Sinon beforehand about exchanging information, and begins to investigate the new players in the tournament.
Kirito and Sinon hunt Death Gun through the Bullet of Bullets tournament. Asuna realizes the danger Kirito is in and sets out to find answers.
Sinon is attacked from outta nowhere by Death Gun. Luckily Kirito manages to rescue her, but they are pursued by Death Gun.
As Kirito and Sinon lay low in a desert cave, Kirito ponders on how Death Gun murdered the other players.
With the Bullet of Bullets tournament coming to a close, Kirito and Sinon set a trap for Death Gun, but another player might jeopardize it.
With Kirito is losing to Death Gun, Sinon looks for a way to save him.
The Bullet of Bullets tournament comes to a close. Sinon confronts her inner demons.
Kirito returns to ALO, bringing Asada with him, in order to obtain the sword, Excalibur.
At the entrance to Thrymheim, Yui explains that the quest they were given was created by the Cardinal System's Automatic Quest Generation Function and that if they did not succeed in their quest, a final war event, Ragnarok, would be triggered. Sometime later, at the end of the second floor of Thrymheimr, the group encounters two minotaurs, and they are forced to rely on Sword Skills that could deal elemental damage to them in addition to physical damage, but also leave the player rigid for a few seconds after the skill is used up. With Kirito revealing his new technique of using consecutive Sword Skills with each of his swords to avoid the …
After clearing the first two stages the ice giant of the third stage proves more than the group can handle. Freyja tells Kirito the secret to defeating him.
After hearing that a new update from New Year's Eve opens up floors 21-30 of new Aincrad, Kirito and the others race to reach floor 22 with the hope of once again purchasing the home he shared with Asuna and Yui.
Asuna has a confrontation with her mother about her current schooling, and goes on to duel Zekken.
Zekken, leader of the Sleeping Knights guild wants to defeat a powerful floor boss. Needing a seventh Asuna agrees to join them.
Asuna and Sleeping Knights prepare to raid the 27th Floor Boss, but have to take out a rival guild blocking their way.
After the Sleeping Knights guild disbands Asuna sets out to find Zekken (Yuuki), who reveals her tragic story.
Yuuki lives out her dream. Asuna begins to repair her broken relationship with her mother.
In the season finale, Asuna, Yuuki as well as all of their friends continue to live happily in the world of Alfheim and New Aincrad. From duels and quests to taking bosses head on, the group is determined to make the most of their time together, by any means. However, when Asuna receives urgent news of Yuuki's condition, the line between her two worlds will become thinner than ever. And she will learn how the human spirit, as well as the love which sustains it, transcends all life.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Cardinal finishes her explanation of the Administrators Origins and gives Kirito a word of warning. Then the three discuss plans to free Alice and save the world from the Administrators control. They're going to need some weapons.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
After Cardinal and Eugeo's defeat, Kirito is about to fight the Pontifex before she manages to transform all of the people who live in the Underworld into a great weapon to repel the Dark Territory's invasion and attack the "other side".
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.
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.
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.
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.
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.
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.
Integrity Knight Renly Synthesis Twenty-Seven, in battle for the first time, flees his position, allowing goblins from the forces of darkness to infiltrate to the tent where Kirito is.
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."
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.
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.
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.
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.
The ice sniper from Gun Gale Online, Sinon, successfully logon into Underworld using a super account Solus, the goddess of the sun, to help Asuna and Kirito inside the Underworld against tons of Crimson Army and The Dark Knight.
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.
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.
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.
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.
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.
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.
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.
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, but…
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.
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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