刀劍神域
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" aired from October 6, 2018 to March 30, 2019, with a one-hour world premiere which aired in Japan, the United States, Australia, France, Germany, Russia and South Korea on September 15, 2018. The English dub of the third season premiered on February 9, 2019 on Toonami. The season was originally announced to air for four cours, and adapt from the novel's ninth volume, "Alicization Beginning", to the eighteenth volume, "Alicization Lasting". However, the season ended at episode 24 on March 30, 2019 (completing the fourteenth volume of the novel, "Alicization Uniting"), and continued on October 12, 2019 with a second part titled "War of Underworld". The second half of the "War of Underworld" series was originally scheduled to premiere in April 2020, but due to the effects of the COVID-19 pandemic in Japan, it was rescheduled to air from July 11 to September 19, 2020.