4 Season
96 Episode
Sword Art Online - Season 4 Episode 20 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.
- Year: 2020
- Country: Japan
- Genre: Animation, Sci-Fi & Fantasy, Action & Adventure
- Studio: Gunma TV, Tokyo MX, tvk, BS11, Tochigi TV
- Keyword: artificial intelligence (a.i.), based on novel or book, magic, fairy, virtual reality, friendship, sword fight, romance, survival, game, death match, alternative reality, angst, anime, mmorpg, virtual world, trapped in a game, fantasy, based on light novel, adventure
- Director: Reki Kawahara, Tomohiko Ito
- Cast: Yoshitsugu Matsuoka, Haruka Tomatsu, Hiroaki Hirata, Ai Kayano, Rina Hidaka, Hiroki Yasumoto