The Kaiju No. 8 anime will adapt the manga's ending in a Final Chapter, announced with a teaser promo on the franchise's Jump Festa 2026 stage.
"The Jump Super Stage for Kaijuu 8-gou (Kaiju No. 8) announced a final arc for the anime series on Saturday, revealing an announcement promo and visual", in a report bylined December 19, 2025[2]
Wikipedia likewise records that a "conclusion arc" to the anime series has been announced[3]
The new work is listed on MyAnimeList as Kaijuu 8-gou: Kanketsu-hen / Kaiju No. 8: Final Chapter (怪獣8号 完結編), with its type, episode count and air date all unknown or "Not available" and status "Not yet aired"; no studio, producer or licensor is listed, and its synopsis is simply "Final chapter of Kaijuu 8-gou"[1][2]
It follows Kaijuu 8-gou 2nd Season as its prequel and adapts Naoya Matsumoto's manga; an "Announcement" video is attached to the entry, matching the promo shown at the stage[1][2]
The same stage announced a second project, the short anime Narumi no Heijitsu (Narumi's Week at Work), with no air date, staff or episode count given at the time[2]; Wikipedia later lists Kaiju No. 8 Narumi's Weekday as a four-episode Production I.G ONA directed by Shigeyuki Miya from September 5, 2026[3]
The anime so far was produced by Production I.G, with the first season airing Spring 2024 and the second Summer 2025 - on TXN (TV Tokyo) from April 13, 2024 to September 27, 2025 across 23 episodes, music by Yuta Bandoh - and Crunchyroll simulcast and dubbed both seasons[2][3]
The source manga, serialized on Shounen Jump+ from July 2020, concluded on July 18, 2025, with Shueisha publishing the 16th and final volume on September 4 and 19 million copies in circulation[2][3]
As an unaired entry it has no score, sitting at popularity #3999 with 43,605 members; it is rated PG-13, genres Action, Fantasy and Sci-Fi, shounen demographic[1]
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
en.wikipedia.org· Added Sep 19, 2026· 33% of score
Wikipedia states a conclusion arc and the Narumi's Week at Work short were announced in December 2025.
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CONFIRMED92% CONFIDENCE82%12 episodes2.4 years agoMyAnimeList’s[1] own listing gives an exact broadcast range, "Apr 13, 2024 to Jun 29, 2024", with the premiere in the Spring 2024 season.
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