How Many Seasons Of Sword Art Online Is There

28 rows sword art online is an anime television series based on the light novel series of the same title written by reki kawahara and illustrated by abec. The anime series adaptation of sword art online was announced at dengeki bunko autumn festival 2011, along with reki. As of 2021, there are four seasons in the popular japanese anime series, sword art online (sao). This article will delve into each season, providing an overview of the story,.