[6][7] At Katsucon, it was announced that the English dub of the second season would air on Adult Swim's Toonami on March 29, 2015.
[8] A third season, titled Sword Art Online: Alicization, began airing on October 7, 2018,[9] 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 final part of the War of Underworld series was originally scheduled to premiere on April 26, 2020, but due to the effects of the COVID-19 pandemic in Japan, it was rescheduled to July 12, 2020.
[11] The English dub of the third season premiered on February 10, 2019 on Adult Swim's Toonami programming block.
[12] The English dub version for the second cour of the second part of the third season premiered on Adult Swim's Toonami on November 8, 2020.