Where To Stream Sword Art Online Season 4 Episode 20
The Night-Sky Blade
- Aired August 29, 2020
- 25 Min
- Rated 9.5
- Number 35 Of 96 Rated Episodes
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.