The official website for the anime adaptation of Kugane Maruyama’s Overlord light novel series has confirmed that the fourth season of the anime will premiere in 2022. The fourth season will be produced at Madhouse and will see the cast and production crew from the previous seasons reprise their roles. More details will be revealed at a later date. A new teaser trailer for the new season was also released.
The final hour of the popular virtual reality game Yggdrasil has come. However, Momonga, a powerful wizard and master of the dark guild Ainz Ooal Gown, decides to spend his last few moments in the game as the servers begin to shut down. To his surprise, despite the clock having struck midnight, Momonga is still fully conscious as his character and, moreover, the non-player characters appear to have developed personalities of their own!
Confronted with this abnormal situation, Momonga commands his loyal servants to help him investigate and take control of this new world, with the hopes of figuring out what has caused this development and if there may be others in the same predicament.