User:Ainz Ooal Gown/Sandbox/List of Sword Art Online all season episodes

Sword Art Online (ソードアート・オンライン) is a anime television series based on light novel series written by Reki Kawahara and illustrated by abec.

The anime adaptation of Sword Art Online was announced at Dengeki Bunko Autumn Festival 2011, along with Reki Kawahara's other light novel series, Accel World. The anime is produced by Aniplex and Genco, animated by A-1 Pictures and directed by Tomohiko Ito with music by Yuki Kajiura. The anime aired on Tokyo MX, tvk, TV Saitama, TV Aichi, RKB, HBC and MBS between July 7 and December 22, 2012, and on AT-X, Chiba TV and BS11 at later dates. The series was also streamed on Crunchyroll and Hulu. The anime is adapted from the first four novels and parts of volume seven.

The anime has been licensed in North America by Aniplex of America and an English-language dub premiered on Adult Swim's Toonami from July 27, 2013 to February 15, 2014. The series was released by Aniplex of America in four DVD and Blu-ray sets, with special extras on the BD sets, between August 13 and November 19, 2013. Manga Entertainment released the first series on BD/DVD in the United Kingdom in December 2013, whilst Madman Entertainment released the series in Australia and the English-language version began airing on ABC3 on June 7, 2014. Sword Art Online has been available on Netflix in North America since March 15, 2014.

A year-end special, titled Sword Art Online Extra Edition, aired on December 31, 2013. The special recapped the previously aired anime series and included some new footage. Extra Edition was streamed worldwide a few hours after its airing in Japan. The two-hour-long special was available on Daisuki worldwide except for French-speaking areas, as well as China and Korea. Daisuki offered subtitles in various languages such as English, Spanish, Portuguese, Italian, and German. English-speaking countries, Mexico, Central and South America could also watch the stream on Crunchyroll. Extra Edition was also simulcast in Korea on Aniplus cable channel and in China on the LeTV streaming website. French-speaking countries could watch on the Wakanim streaming website. The Blu-ray Disc and DVD of Extra Edition was released on April 23, 2014 in Japan. The limited edition included a Yui character song titled "Heart Sweet Heart" by Kanae Itō and an original side story written by Kawahara titled "Sword Art Online Niji no Hashi" (ソードアート・オンライン 虹の橋).

At the end of the special, the anime television series was confirmed for a second season, titled Sword Art Online II, which premiered on July 5, 2014. The first 14 episodes of the second season are an adaptation of volumes five and six the light novels that cover the Phantom Bullet arc. Episodes 15 to 17 cover the Calibur arc from volume 8 of the novels, with episodes 18 to 24 covering volume 7 of the novels, the Mother's Rosario arc. Premiere screening events of the second season were held in the United States, France, Germany, Hong Kong, Taiwan, Korea and Japan before the television premiere between June 29 and July 4, 2014. At Katsucon, it was announced that the English dub of the second season would air on Toonami beginning March 28, 2015.

An animated film titled Sword Art Online The Movie: Ordinal Scale, featuring an original story by Kawahara set after the events of Sword Art Online II, premiered in Japan and Southeast Asia on February 18, 2017, and was released in the United States on March 9, 2017.

The third season of Sword Art Online, titled Sword Art Online: Alicization, and a spin-off anime, titled Sword Art Online Alternative Gun Gale Online, were announced in 2017. Sword Art Online Alternative Gun Gale Online, animated by 3Hz, premiered in April 2018. Sword Art Online: Alicization began airing on October 7, 2018, with a one-hour world premiere which aired in Japan, the United States, Australia, France, Germany, Russia and South Korea on September 15, 2018. It will air for four cours (around 50 episodes) and will adapt from the novel's ninth volume, Alicization Beginning, to the eighteenth volume, Alicization Lasting. The English dub of the third season is scheduled to premiere on February 9, 2019 on Toonami.

Music
Yuki Kajiura composed the soundtrack for the Sword Art Online anime, which was later released in the limited edition of the anime's fourth and seventh Blu-ray and DVD volumes. The first volume of the second season's soundtrack was bundled with the limited edition of the season's third and seventh Blu-ray and DVD volumes.

For the first 14 episodes of season one, the opening theme song is "Crossing Field" by LiSA, and the ending theme song is "Yume Sekai" (ユメセカイ) by Haruka Tomatsu. From episode 15 onward, the opening theme is "Innocence" by Eir Aoi and the ending theme is "Overfly" by Luna Haruna. The main theme for Sword Art Online: Extra Edition is "Niji no Oto" (虹の音) by Aoi.

For the second season, the first opening theme is "Ignite" by Aoi, and the first ending theme is "Startear" by Haruna. The second opening theme is "Courage" by Tomatsu, and the second ending theme is "No More Time Machine" by LiSA, with the third ending theme being "Shirushi" (シルシ), also by LiSA. The song "Catch the Moment" by LiSA is used as the theme song to Sword Art Online: Ordinal Scale.

For the third season, the first opening theme is "Adamas" by LiSA, and the first ending theme is "Iris" (アイリス) by Aoi. The second opening theme is "Resister" by Asca and the second ending theme is "Forget-me-not" by ReoNa.

A number of character songs were included in the Blu-ray and DVD volume releases of the anime. These were collected into two compilation albums: Sword Art Online Song Collection, which included character songs released in the season one volumes, was released on August 27, 2014, while Sword Art Online Song Collection II, which included character songs released in the season two volumes, was released on March 22, 2017.