Sword Art Online: Alicization - War of Underworld
Alicization reaches open warfare here, so this is a continuation rather than a friendly entry point for newcomers. Crunchyroll, Hulu, and Netflix are the legal streaming choices, and each offers both subtitled and dubbed viewing. This 2019 TV installment runs for 12 episodes at 24 minutes apiece. Its focus shifts toward a large battle inside the Underworld, with Kirito unable to lead the response and Alice facing an invasion alongside the human forces. Expect sustained fantasy combat and a more serious mood than the franchise's lighter stretches. It is best suited to viewers already invested in Alicization, especially those who want its setup to pay off through direct confrontation rather than another round of explanation.
About
The human side of the Underworld prepares for an assault from the Dark Territory while Kirito remains broken and unable to take his usual place in the fight. Alice becomes central to the defense as familiar allies try to hold together what is left and stop the approaching army. The story follows the opening phase of that conflict without resetting the larger Alicization plot, turning earlier tensions into a broad fantasy war. New viewers would miss much of the emotional context, but returning fans get an immediate continuation built around pressure, divided forces, and the cost of protecting this artificial world.
Information
- Japanese
- γ½γΌγγ’γΌγγ»γͺγ³γ©γ€γ³ γ’γͺγ·γΌγΌγ·γ§γ³ War of Underworld
- Premiered
- October 13, 2019
- Episodes
- 12
- Duration
- 24 min per ep.
- Status
- Finished Airing
- Studio
- A-1 Pictures
- Source
- Light Novel
- Themes
- primarily female cast, primarily teen cast, angst, drama, female protagonist, japanese production
Seasons & Watch Order
Begin with the earlier Sword Art Online seasons, then watch the first half of Alicization before starting War of Underworld. Its opening assumes you already understand the Underworld, Alice, Kirito's condition, and the conflict now moving into battle.
- Sword Art Online: Alicization(2018)prequel
- Sword Art Online: Alicization - War of Underworld 2nd Season(2020)sequel
For the whole franchise, see the Sword Art Online Watch Order
FAQ
The legal streaming options are Crunchyroll, Hulu, and Netflix. Subtitled and dubbed versions are offered on each service.
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