刀劍神域
An anime television series produced by A-1 Pictures, known simply as "Sword Art Online", aired in Japan between July and December 2012, with a television film "Sword Art Online: Extra Edition" airing on December 31, 2013, and a second season, titled "Sword Art Online II", airing between July and December 2014. An animated film titled ', featuring an original story by Kawahara, premiered in Japan and Southeast Asia on February 18, 2017, and was released in the United States on March 9, 2017. A spin-off anime series titled "Sword Art Online Alternative Gun Gale Online" premiered in April 2018, while a third season titled ' aired from October 2018 to September 2020. An anime film adaptation of "Sword Art Online: Progressive" titled "" is set to premiere in October 30, 2021. A live-action series will be produced by Netflix. Six video games based on the series have been released for multiple consoles.&lt;/onlyinclude&gt;