- Country: Japan
- Genres: Action, Adventure, Animation, Drama, Fantasy, Romance
- Release: 2013-12-31
- Director: Tomohiko Ito
- Writers: Reki Kawahara
- Language: Japanese
- Stars: Yoshitsugu Matsuoka , Yoshitsugu Matsuoka , Haruka Tomatsu , Haruka Tomatsu , Ayana Taketatsu , Ayana Taketatsu , Kanae Ito , Rina Hidaka , Rina Hidaka , Ayahi Takagaki , Ayahi Takagaki , Hiroaki Hirata , Hiroki Yasumoto , Shiori Izawa , Toshiyuki Morikawa
- Runtime: 101 min
- Awards: 1 nomination
- AKA: Sword Art Online: Extra Edition (Brazil) , Sword art online: Edición extra (Spain) , Мастера меча онлайн: Специальное издание (Russian Federation) , Sword Art Online Extra Edition , Sword art online: Extra edition (Spain) , Gekijouban Sword Art Online: Extra Edition (Brazil) , Sword Art Online Extra Edition (Germany) , Sword Art Online Extra Edition (France, French Republic) , ソードアート・オンライン Extra Edition (Japan) , Sword Art Online Extra Edition (Japan) , Sword Art Online Extra Edition (United States of America)
- Plot:
Kirito and the others decide to go on an underwater quest within the world of ALO to grant Yui her wish to see a whale. As they all prepare for the quest, they face a shocking revelation… Leafa (Suguha) is afraid of water. So, Asuna and the other female members decide to teach Suguha how to swim at a pool in the real world. Meanwhile, Kirito was meeting somebody… Source: Aniplex
- IMDB:tt3241196