The Konosuba Channel Special Program confirmed the new anime as third season and revealed staff and a teaser visual (pictured) on Saturday. The main cast members will reprise their roles.

Staff
Chief Director: Takaomi Kanasaki (Kono Subarashii Sekai ni Shukufuku wo! director)
Director: Yuujirou Abe (Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen episode director)
Series Composition: Makoto Uezu (Ansatsu Kyoushitsu)
Character Design: Kouichi Kikuta (Tamayomi)
Studio: Drive

Kono Subarashii Sekai ni Shukufuku wo! (Konosuba: God's Blessing on This Wonderful World!), also known by its short name Konosuba, adapts Natsume Akatsuki's comedy fantasy light novel, which he originally penned on the Shousetsuka ni Narou website from December 2012 to October 2013. Kadokawa began publishing the series under its Sneaker Bunko label that month, featuring illustrations by Kurone Mishima (Rokudenashi Majutsu Koushi to Akashic Records). The light novel ended with the 17th volume in May 2020. Konosuba has a cumulative 10 million copies of its volumes in circulation.

Masahito Watari began drawing a manga adaptation in Monthly Dragon Age in September 2014. Kadokawa published the 15th volume on May 9.

Studio Deen produced two television anime seasons in Winter 2016 and 2017, each running for ten episodes. The Kono Subarashii Sekai ni Shukufuku wo!: Kurenai Densetsu (Konosuba: God's Blessing on This Wonderful World! - Legend of Crimson) anime film by J.C.Staff opened in Japan in August 2019, adapting the fifth volume.

Crunchyroll simulcast the anime series with subtitles and debuted an English dub for both seasons in January and February 2019, respectively. Discotek Media licensed both seasons and original video episodes and released them on home video in May 2020 and February 2021.

Yen Press licensed the light novel and spin-off in English and published the 16th volume on April 19 and second spin-off volume in July 2020. The company is also publishing the manga adaptations of both novel series.

Source: Dengeki Online