第 8 集: 桐人直面加百列，愛麗絲與亞絲娜前往世界盡頭的祭壇。
2020年8月30日 播出
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. (Source: Crunchyroll)