4 Season
96 Episode
Sword Art Online - Season 4 Episode 16 Code 871
The traitor inside Rath turns out to be a researcher named Yanai. When Higa attempts to restore Kirito, Yanai tries to thwart the operation by holding him at gunpoint. Meanwhile, in the Underworld, Sinon confronts Gabriel, who has logged back in.
- 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, BUNBUN
- Cast: Yoshitsugu Matsuoka, Haruka Tomatsu, Hiroaki Hirata, Ai Kayano, Rina Hidaka, Hiroki Yasumoto