Kaiju No. 8
Kaiju No. 8
Now Showing

Kaiju No. 8

8.4
Yr 2024
Rt 24m
Status Returning Series
Animation Action & Adventure Sci-Fi & Fantasy
Your Verdict
Unrated

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Series Brief

Overview

In a world plagued by creatures known as Kaiju, Kafka Hibino aspired to enlist in The Defense Force. He makes a promise to enlist with his childhood friend, Mina Ashiro. Soon, life takes them in separate ways. While employed cleaning up after Kaiju battles, Kafka meets Reno Ichikawa. Reno's determination to join The Defense Force reawakens Kafka's promise to join Mina and protect humanity.

Status

Latest

  • Kaiju No. 8 short series premieres September 5 — reported August 26, 2026 (cbr.com)
Critical Reception

What critics are saying

Score 81 /100

Kaiju No. 8 earned substantial critical praise for its debut season, quickly emerging as one of 2024's standout anime releases. Reviewers celebrated its fresh perspective on monster battles, noting how centering the narrative around an older, down-on-his-luck protagonist subverted long-standing shonen conventions. Critics widely applauded the show for harmonizing energetic, high-stakes action with humor and genuine character depth.

Commentators also highlighted the series' engaging world-building and strong ensemble dynamics, finding the interactions between Kafka and his Defense Force peers to be consistently fun and emotionally resonant. Its distinct tone helped it forge its own identity rather than relying on predictable tropes.

Subsequent reception grew somewhat more measured with the arrival of its second season. While viewers still noted the series retained vibrant visuals and intriguing plotting, early reviews expressed reservations about a slower pace and increased exposition, arguing that talkative downtime dampened the thrilling kinetic momentum established in the freshman run.

“a deftly balanced mix of strong characters, hardcore action, and emotional depth”

“it defiantly subverted expectations that battle anime is just a playground for plucky young upstarts”

“one of the best anime of the spring 2024 season”

“season 2 premiere feels more like a muted roar than a thrilling comeback”

Transmission Paths

Where to Watch

Crunchyroll
US • UK • CA
Crunchyroll Amazon Channel
CA • UK • US
Why fans love it

The Defense Force operates in an urban fantasy setting where colossal beasts frequently flatten cities. This series sets itself apart from standard military fiction by centering on Kafka Hibino, a protagonist who spends his days scrubbing monster guts off skyscrapers rather than fighting them. His age and lack of status provide a sympathetic perspective on a world that usually favors the young and powerful.

Masaya Fukunishi provides the voice for an underdog who finds himself transformed into the very creature he cleans up after. The animation handles the transition between professional military precision and the gore of creature combat with a blend of grit and humor. It is a shounen story that leans into the technical aspects of giant monster squashing while keeping the characters grounded in human ambition. There is a distinct rhythm to the way the show balances these massive battles with the quiet, earnest efforts of the support crews working in the shadows of heroes.

Featured Players

Cast

Credited 75
Regulars 12
Longest run 23 eps
Masaya Fukunishi
Masaya Fukunishi
as Kafka Hibino / Kaiju No. 8 (voice)
23 episodes
Asami Seto
Asami Seto
as Mina Ashiro (voice)
23 episodes
Wataru Katoh
Wataru Katoh
as Reno Ichikawa (voice)
23 episodes
Kengo Kawanishi
Kengo Kawanishi
as Soshiro Hoshina (voice)
23 episodes
Fairouz Ai
Fairouz Ai
as Kaiju No. 15 (voice)
23 episodes
Yutaka Aoyama
Yutaka Aoyama
as Masahide Tokuda (voice)
8 episodes
Mitsuru Miyamoto
Mitsuru Miyamoto
as Mizoguchi (voice)
5 episodes
Megumi Han
Megumi Han
as Kafka Hibino as a Child (voice)
5 episodes
Show 67 more
TARAKO as Mysterious Young Beast (voice) 2 episodes Hiroki Tanaka as Street Announcement (voice) 3 episodes Sayaka Kamitani as Female Student (voice) 1 episode Hitomi Kitazaki as Female Announcer (voice) 2 episodes Yuuki Takada as Girl (voice) 2 episodes Sachiko Kojima as Girl's Mother (voice) 2 episodes Hiroshi Iwasaki as Old Man (voice) 1 episode Tomokazu Seki as AI (voice) 9 episodes Cho as Sebasu (voice) 3 episodes Hana Hishikawa as Examinee (voice) 3 episodes Takahiro Yoshino as Operator (voice) 1 episode Mutsumi Tamura as Tae Nakanoshima (voice) 8 episodes Tessyo Genda as Isao Shinomiya (voice) 9 episodes Ivan Shibata as Self-Defense Forces Member (voice) 8 episodes Hiroyuki Yoshino as Kaiju No. 9 (voice) 9 episodes Tomokazu Sugita as Takamichi Hotaka (voice) 3 episodes Katsuyuki Miura as Troops Member (voice) 2 episodes Makoto Takahashi as Troops Member (voice) 2 episodes Ryo Sugisaki as Risa's Father (voice) 1 episode Misa Kato as Mother (voice) 1 episode Mayuko Kazama as Hakua Igarashi (voice) 2 episodes Nene Hieda as Haruichi's Friend (voice) 12 episodes Takuya Masumoto as Defense Force Executive (voice) 3 episodes Tomohiro Ono as Citizen (voice) 14 episodes Makoto Furukawa as Ryo Ikaruga (voice) 8 episodes Eiji Takeuchi as Senior Troops Member (voice) 1 episode Kouji Takeda as Male Announcer (voice) 6 episodes Kenta Miyake as Kaiju No. 10 (voice) 5 episodes Yoji Ueda as Kanji Nagamine (voice) 1 episode Shinpachi Tsuji as Head Chef Dojima (voice) 1 episode Mitsuho Kambe as Troops Member (voice) 1 episode Masaaki Ihara as Takao (voice) 2 episodes Genta Nakamura as Radio Announcer (voice) 23 episodes Taito Ban as Itakura (voice) 1 episode Taisuke Nakano as Tonari (voice) 2 episodes Takayuki Ishii as Staff Member (voice) 1 episode Rikiya Koyama as Hoshina's Father (voice) 1 episode Tomoyuki Shimura as Hoshina's Superior Officer (voice) 1 episode Takayuki Sugo as Keiji Itami (voice) 10 episodes Miou Tanaka as Juzo Nogizaka (voice) 6 episodes Ryosuke Higa as Platoon Leader (voice) 18 episodes Ryota Suzuki as Akira Kurusu (voice) 10 episodes Shunpei Kusano as Defense Force Executive (voice) 1 episode Takahiro Shimada as Defense Force Executive (voice) 1 episode Koki Uchiyama as Gen Narumi (voice) 10 episodes Rika Hayashi as Wife (voice) 2 episodes Motoki Sakuma as Defense Force Executive (voice) 1 episode Hiroki Yasumoto as Eiji Hasegawa (voice) 9 episodes Kana Hanazawa as Rin Shinonome (voice) 7 episodes Kouki Sakurai as Defense Force Member (voice) 1 episode Shinya Nishiyama as Defense Force Member (voice) 1 episode Kohei Yamashita as Defense Force Member (voice) 1 episode Yuto Yamamoto as Citizen (voice) 1 episode Kotono Mitsuishi as Hikari Shinomiya (voice) 3 episodes Hinata Tadokoro as Ebina (voice) 2 episodes Yukihiro Yoshikawa as Citizen (voice) 2 episodes Akihiro Shinohara as Operator (voice) 4 episodes Jun Fukushima as Ichitaka Miike (voice) 7 episodes Shota Yamamoto as Troops Member (voice) 11 episodes Shunsuke Sakuya as Juugo Ogata (voice) 3 episodes Mao Ichimichi as Toko Kirimori (voice) 3 episodes Maria Abo as Operator (voice) 3 episodes Yuuki Shin as Iharu Furuhashi (voice) 15 episodes Keisuke Komoto as Haruichi Izumo (voice) 12 episodes Shunsuke Takeuchi as Aoi Kaguragi (voice) 11 episodes Sayaka Senbongi as Konomi Okonogi (voice) 14 episodes Shinnosuke Musashi as Kurume (voice) 3 episodes
Signal Match

Similarity

Where Kaiju No. 8 overlaps with other shows, and exactly what they have in common.

Keyword Cloud

Keywords

urban fantasy gore giant monster based on manga kaiju military shounen anime amused enthusiastic sympathetic
Technical Sheet

Details

First Aired
April 13, 2024
Status
Returning Series
Episode Runtime
24 minutes
Origin
JP
TMDB Votes
817