Sword Art Online › Sword Art Online Alicization: War of Underworld

S4 E20: The Night-Sky Blade

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.

Air date	Aug 30, 2020
Runtime	23 minutes
TMDB rating	★ 8.7/10