SWORD ART ONLINE Season 3 of the anime show is based on the light novel show. This show is written by Reki Kawahara. It is animated by the A – 1 Pictures. It is written by Yukito Kizawa. The show is directed by Manabu Ono. Season 3 of the anime was started at the end of May 2019. Season 3 is supposed to be having a total of about 45+ episodes. So, there are about 20+ episodes to come.
The anime show was first telecasted in July 2012. The Sword Art Online season 4 might get released around mid of October 2020.
No, not now Season 3 is still running, so there is no possibility for the trailer of season 4.
WHAT ABOUT THE VOICE CAST OF THE SHOW?
STORYLINE OF THE SWORD ART ONLINE SEASON 4
The story starts up in the year 2022 when the technology had become dangerously progressive. The show introduces us to a game called Sword Art Online. In season 4, Kazute along with his lover is set to go for a journey to free all the players from the game who are not able to exit. The show received extensive popularity with 20 million copies sold worldwide. It received a blend of views from the people across the realm. There is no chance of cancellation of season 4.
If you want to know about season 4, there is not much available. Nevertheless, there will be a season 4 for sure, as the show will not complete soon. If it is perfect as the season 3 premiered in October 2018, and It will resume in October 2019.