The second season of the Sword Art Online anime television series, titled Sword Art Online II, is based on the light novel series written by Reki Kawahara and illustrated by Abec.

[3] The story of the second season follows Kazuto "Kirito" Kirigaya as he plays the new virtual reality game called "Gun Gale Online" (GGO), where he allies himself with a girl named Shino "Sinon" Asada and enters a tournament to investigate a player known only as "Death Gun", who has the ability to kill a person in the real world by killing their virtual avatar.

[4] Kirito and his friends return to "Alfheim Online" (ALO), Which was revived when Kirito was given the world seed, to retrieve the Holy Sword Excalibur from Thrym, the King of the Frost Giants, in order to restore the city of Jötunheimr back to its former glory.

[6] This 24-episode season initially ran in Japan from July 5 to December 20, 2014 on Tokyo MX with later airings on Chiba TV, tvk, Teleball, GYT, GTV, MBS, TVA, TVh, TVQ and BS11.

[8][9] It was also picked up by Crunchyroll for online simulcast streaming in North America and other select parts of the world.