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    After testing a new government-backed VR system, SAO veteran Kirito unexpectedly awakens within it — with memories he shouldn’t possess.

  1. Watch Underworld. Episode 1 of Season 3.

    1. Underworld

    48m

    After their usual routine chopping away at the Gigas Cedar, Kirito and Eugeo join their friend Alice on a destiny-changing trip into a nearby cave.

  2. Watch The Demon Tree. Episode 2 of Season 3.

    2. The Demon Tree

    24m

    Kirito wakes to unfamiliar surroundings but although he suspects that he’s in a game, he can’t log out. He soon encounters a boy his age named Eugeo.

  3. Watch The End Mountains. Episode 3 of Season 3.

    3. The End Mountains

    24m

    Kirito needs to finish off the Demon Tree once and for all so that he and Eugeo can head to the big city together. A sword he found may do the trick.

  4. Watch Departure. Episode 4 of Season 3.

    4. Departure

    24m

    Kirito battles the goblins but their leader is too much for him to handle. Eugeo must conquer his fear and help him before it’s too late.

  5. Watch Ocean Turtle. Episode 5 of Season 3.

    5. Ocean Turtle

    24m

    Kirito’s situation isn’t looking good and Kikuoka transfers him to another hospital. But when Asuna and Suguha go for a visit, they are denied entry.

  6. Watch Project Alicization. Episode 6 of Season 3.

    6. Project Alicization

    24m

    Asuna and Rinko press Kikuoka for answers. He reveals the true aim of the Underworld experiment and the reasons for Kirito’s involvement.

  7. Watch Swordcraft Academy. Episode 7 of Season 3.

    7. Swordcraft Academy

    24m

    Two years have passed and Kirito and Eugeo are now trainees at a swordsmanship academy, where they must deal with some difficult senior students.

  8. Watch Swordsman's Pride. Episode 8 of Season 3.

    8. Swordsman’s Pride

    24m

    Sortiliena warns Kirito that Uolo’s request for a live duel is linked to an ulterior motive. Later, Kirito discovers his flowers have been destroyed.

  9. Watch Nobleman's Responsibilities. Episode 9 of Season 3.

    9. Nobleman’s Responsibilities

    24m

    Even after his promotion, Eugeo is still searching for ways to become stronger. An opportunity presents itself in the form of top student Humbert.

  10. Watch Taboo Index. Episode 10 of Season 3.

    10. Taboo Index

    24m

    While Kirito goes to look for the missing Ronye and Tiese, Eugeo hears something troubling from Frenica and decides to take matters into his own hands.

  11. Watch Central Cathedral. Episode 11 of Season 3.

    11. Central Cathedral

    24m

    Eugeo recognizes the knight that takes him into custody but she doesn’t appear to know him. Meanwhile in the real world, a strange robot appears.

  12. Watch The Sage of the Library. Episode 12 of Season 3.

    12. The Sage of the Library

    24m

    Eugeo and Kirito face the Integrity Knight Eldrie, who seems to resemble someone. Eugeo uses his knowledge of the real world to gain an advantage.

  13. Watch Ruler and Mediator. Episode 13 of Season 3.

    13. Ruler and Mediator

    24m

    Kirito’s savior reveals the history between her and the Administrator and how he and Eugeo can get Alice’s memory back by assisting in her plan.

  14. Watch The Crimson Knight. Episode 14 of Season 3.

    14. The Crimson Knight

    24m

    Kirito and Eugeo find their stolen swords in the weapons warehouse. But it is no time to celebrate, Integrity Knight, Deusolbert, swoops down on them.

  15. Watch The Relentless Knight. Episode 15 of Season 3.

    15. The Relentless Knight

    24m

    Eugeo and Kirito continue through the Central Cathedral and encounter two little girls who appear to be harmless. But there’s more than meets the eye.

  16. Watch The Osmanthus Knight. Episode 16 of Season 3.

    16. The Osmanthus Knight

    24m

    After the battle is over, Kirito is immediately more concerned about Fanatio than himself, and does everything he possibly can to save her.

  17. Watch Truce. Episode 17 of Season 3.

    17. Truce

    24m

    Kirito and Alice find themselves in a precarious situation. He tries to get her to consider cooperating for now, but she still sees him as a criminal.

  18. Watch The Legendary Hero. Episode 18 of Season 3.

    18. The Legendary Hero

    24m

    Bercouli Synthesis One declares he will not kill Eugeo the first time they cross swords, but the promise is not repeated when Eugeo attacks again.

  19. Watch The Seal of the Right Eye. Episode 19 of Season 3.

    19. The Seal of the Right Eye

    24m

    Alice decides to hear Kirito out but choosing to believe the truth of his words is no simple matter. Meanwhile, Eugeo wakes up on the 100th floor.

  20. Watch Synthesis. Episode 20 of Season 3.

    20. Synthesis

    24m

    Now awake, Alice mentions a detour to a bath on the 90th floor. She and Kirito are soon reunited with Bercouli, but he’s been turned to stone.

  21. Watch The 32nd Knight. Episode 21 of Season 3.

    21. The 32nd Knight

    24m

    Alice watches as her childhood friends square off against each other. Kirito tries his best to get to the real Eugeo but the fight ends unexpectedly.

  22. Watch Titan of the Sword. Episode 22 of Season 3.

    22. Titan of the Sword

    24m

    The battle against the Genie is not going well and Kirito decides to change tactics. The Administrator learns something important about him.

  23. Watch Administrator. Episode 23 of Season 3.

    23. Administrator

    24m

    After hundreds of years, the Cardinal returns to settle things once and for all. The Administrator reveals a shocking truth about the Golem.

  24. Watch My Hero. Episode 24 of Season 3.

    24. My Hero

    24m

    Eugeo and Alice are out of commission and Kirito must face the ultra-powerful Administrator on his own. She’s got a few surprises in store for him.