Sword Art Online - Full Series Information, Trailer & IMDb Reviews
Watch Sword Art Online Season 4 Episode 20 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
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.