It was announced via a special live stream that the Kugane Maruyama’s Overlord series will be receiving a 4th TV anime series as well as an anime movie! Studio Madhouse will be handling the fourth season and the original cast from Overlord III will be returning to reprise their roles.
The fourth season will be a continuation of the third season while the anime movie will be an adaptation of the Holy Kingdom arc.
Outside of this, no other information was released about when the show/movie will air.
You can view the original tweet below:
そしてスタッフコメントもご紹介します。
原作の丸山くがね先生、キャラクター原案・so-binさん、伊藤尚往監督、シリーズ構成の菅原雪絵さんよりいただきました。
ぜひご一読ください！#overlord_anime pic.twitter.com/dQ2NRDenA8— オーバーロード／アニメ公式 (@over_lord_anime) May 8, 2021
Source: Crunchyroll
