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Episode 1
When a new game called Gun Gale Online proves lethal in real life, the government asks Kazuto to join the game and investigate the incidents.
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Episode 2
Inside the Gun Gale Online gaming world, a squadron led by an elite sniper named Sinon takes on an unexpectedly robust foe.
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Episode 3
Sinon's controller, Shino, recalls a traumatic gun-related incident from her past. Meanwhile, Kirito tells Asuna of his plans to join Gun Gale Online.
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Episode 4
Now inside Gun Gale Online, Kirito plans to smoke out Death Gun by joining Bullet of Bullets, a tournament to determine the game's best gunman.
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Episode 5
Realizing that they may have to fight each other in the Bullet of Bullets, Sinon and Kirito vow to go all-out if they end up in a faceoff.
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Episode 6
Kirito recalls the trauma of the Sword Art Online incident. He fights Sinon but stubbornly refuses to beat her despite his superior skills.
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Episode 7
Suguha confronts Kazuto about his activities in the online world as he grapples with having killed people in the Sword Art Online incident.
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Episode 8
Believing that Death Gun will reveal himself during the Bullet of Bullets, Kirito and Sinon set an ambush while the melee rages around them.
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Episode 9
Death Gun reveals himself, and Kirito and Sinon decide to join forces to take him down before there are any more casualties.
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Episode 10
After Kirito saves Sinon from Death Gun's bullet at the last moment, the two flee on mechanical horses and take refuge in a cave to regroup.
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Episode 11
Having escaped Death Gun's trap, Kirito and Sinon theorize how he can kill people in real life while slaying their avatars within Gun Gale Online.
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Episode 12
As the Bullet of Bullets tournament reaches its climax, Kirito and Sinon target Death Gun, but another contestant throws a wrench into the works.
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Episode 13
Death Gun overpowers Kirito, putting him in danger. Sinon looks on and desperately tries to find a way to save him.
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Episode 14
Kyuoji attacks Sinon, hoping to kill her and then kill himself, but Kazuto manages to save her, putting himself in great danger in the process.
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Episode 15
When the legendary sword Excalibur is rumored to be in an icy dungeon in Alfheim Online, Kirito, Sinon and their friends set out to find it first.
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Episode 16
Kirito and company take on a giant in their quest to uncover Excalibur -- and learn that failing their task will trigger an in-game apocalypse.
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Episode 17
The fight against the powerful ice giant guarding Excalibur proves to be more than the friends can handle. Freyja tells Kirito how to defeat him.
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Episode 18
Floors 21-30 are unlocked, and Asuna, Kirito and Yui hope to live together on Floor 22 ... if they can get past the boss on Floor 21.
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Episode 19
After sparring with her mother over her future in the real world, Asuna takes on a brilliant challenger.
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Episode 20
Asuna agrees to help the Sleeping Knights guild defeat a powerful floor boss, but a rival guild jeopardizes the success of their mission.
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Episode 21
While Kirito battles the rival guild, the Sleeping Knights take on the floor boss. Asuna makes a request and is met with surprising resistance.
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Episode 22
Back in the real world, Kazuto helps Asuna locate Yuuki, who reveals her tragic story and asks Asuna to meet with her again in Alfheim Online.
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Episode 23
After helping Yuuki realize her dream of attending school, Asuna begins to repair her fractured relationship with her mother.
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Episode 24
Yuuki's real-world condition worsens, and Asuna discovers a surprising connection to the Sword Art Online incident.
A video game whiz helps create a new technology that enables players to guide their online avatars with their own bodies -- but a dark twist emerges.