# Where to Watch Sword Art Online: Alicization - War of Underworld

**Sword Art Online: Alicization - War of Underworld streams on Crunchyroll, Hulu, and Netflix, subbed and dubbed. The epic Alicization arc reaches its explosive war, as the human forces of the Underworld brace against an overwhelming invasion.**

## Where to Watch

- [Crunchyroll](https://www.crunchyroll.com/sword-art-online)
- [Hulu](https://www.hulu.com/sword-art-online-alicization)
- [Netflix](https://www.netflix.com/title/70302573)

Crunchyroll, Hulu, and Netflix all stream the arc with subtitles and a dub.

## Synopsis

In the vast virtual realm of the Underworld, Kirito lies broken while his allies prepare for a cataclysmic battle. This season unleashes full-scale war as the Dark Territory’s armies march on the human empire, and the return of a resurrected god threatens everything. With old friends fighting to protect what remains and Alice standing at the center of the storm, it’s the largest, most consequential conflict the franchise has staged.

## Fast Facts

- **Format:** TV
- **Episodes:** 12
- **Premiered:** 2019
- **Studio:** a-1 pictures inc.
- **Score:** 7.5

## Watch Order

This continues directly from Alicization—watch the earlier seasons and the first half of Alicization before it.

- [Sword Art Online: Alicization](https://hozuna.com/anime/sword-art-online-alicization) — prequel
- [Sword Art Online: Alicization - War of Underworld 2nd Season](https://hozuna.com/anime/sword-art-online-alicization-war-of-underworld-season-2) — sequel

## If You Liked This

- **[Log Horizon](https://hozuna.com/anime/log-horizon)** — Log Horizon offers a smarter, systems-driven take on living in a game world.
- **[No Game No Life](https://hozuna.com/anime/no-game-no-life)** — No Game No Life shares the flashy, high-stakes game-world spectacle.
- **[The Rising of the Shield Hero](https://hozuna.com/anime/the-rising-of-the-shield-hero)** — The Rising of the Shield Hero delivers another sprawling action-isekai epic.
- **[Frieren: Beyond Journey's End](https://hozuna.com/anime/frieren-beyond-journey-s-end)** — 
- **[Re:Zero Season 4](https://hozuna.com/anime/re-zero-season-4)** — 
- **[Chainsaw Man: Reze Arc](https://hozuna.com/anime/chainsaw-man-reze-arc)** — 
- **[Fullmetal Alchemist: Brotherhood](https://hozuna.com/anime/fullmetal-alchemist-brotherhood)** — 
- **[Attack on Titan Season 3 Part 2](https://hozuna.com/anime/attack-on-titan-season-3-part-2)** — 

## FAQ

### Where can I watch Alicization - War of Underworld?

Stream it on Crunchyroll, Hulu, and Netflix, with subtitles and a dub.

### How many episodes are in War of Underworld?

This part is 12 episodes, continued by a second cour.

### Where does it fall in the series?

It continues the Alicization arc—watch the earlier seasons and Alicization first.