Kaiju No. 8

Name: Kaiju No. 8
Genre: Animation, Action & Adventure, Sci-Fi & Fantasy
Released: 2024-04-13
Rating: 8.4
Cast: Masaya Fukunishi, Asami Seto, Wataru Katoh, Fairouz Ai, Kengo Kawanishi

ENDED1 Season23 Episodes★ 8.4

Kaiju No. 8 is an animated action-adventure series on TV Tokyo that ran from 2024 to 2025, ending after 1 season and 23 episodes.

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NetworkTV Tokyo

First AiredApr 13, 2024

Last AiredSep 27, 2025

GenreAnimation, Action & Adventure, Sci-Fi & Fantasy

Runtime24 min

Original Title怪獣８号

LanguageJapanese

CountryJapan

ProductionProduction I.G, TOHO, TOHO Global

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.

WHERE TO WATCH

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Cast

Masaya Fukunishi

Kafka Hibino / Kaiju No. 8 (voice)

Asami Seto

Mina Ashiro (voice)

Wataru Katoh

Reno Ichikawa (voice)

Fairouz Ai

Kikoru Shinomiya (voice)

Kengo Kawanishi

Soshiro Hoshina (voice)

Seasons & Episodes1 season · 23 episodes

0% complete

Kafka Hibino finally gets another chance to pursue his childhood dream of joining the Defense Force, only to gain the ability to transform into a kaiju himself. While hiding his extraordinary secret, he fights alongside a new generation of officers against increasingly intelligent and powerful threats, forcing him and his comrades to grow stronger as the battle for humanity’s survival escalates.

E1The Man Who Became a Kaiju

Apr 13, 202424m★ 7.6

Kafka Hibino has given up his dream of joining the Defense Force and now works cleaning up the remains of defeated kaiju. When ambitious newcomer Reno Ichikawa reminds him of the promise he once made to childhood friend Mina Ashiro, Kafka begins reconsidering the path he abandoned—just as an unexpected encounter changes everything.

E2The Kaiju Who Defeats Kaiju

Apr 20, 202424m★ 7.6

Following the shocking incident at the hospital, Kafka and Reno are forced to flee while trying to understand what has happened. When they encounter civilians threatened by a kaiju, Kafka must decide whether to remain hidden or risk everything to protect them.

E3Revenge Match

Apr 27, 202424m★ 7.4

Kafka and Reno arrive for the Defense Force selection exam, where they meet the highly confident Kikoru Shinomiya. Determined to revive his abandoned dream while keeping his secret hidden, Kafka struggles through the physical tests before facing a daunting final challenge that puts the candidates’ combat abilities to the test.

E4Fortitude 9.8

May 4, 202424m★ 7.8

Kikoru’s overwhelming combat ability brings the Defense Force exam to a swift conclusion, leaving the other candidates in awe. Before they can recover, a mysterious kaiju suddenly appears within the testing grounds, throwing the exam into chaos and forcing Kafka to confront a dangerous choice.

E5Joining Up!

May 11, 202424m★ 7.0

Kafka finally takes his first step into the Defense Force, but his place among its ranks is far from secure. Given only three months to prove his worth, he throws himself into training alongside his new teammates while struggling to keep pace with their rapidly developing abilities.

E6Sagamihara Neutralization Operation at Daybreak

May 18, 202424m★ 7.6

Kafka and the other new recruits embark on their first real Defense Force mission when a kaiju emerges in Sagamihara. Assigned to eliminate smaller monsters behind the front lines, Kafka eagerly embraces the work he has long dreamed of while struggling to prove that he belongs among his rapidly improving teammates.

E7Kaiju No. 9

May 25, 202424m★ 8.0

Reno and Iharu encounter a mysterious humanoid kaiju whose strength and intelligence far exceed their expectations. Quickly overwhelmed, the two recruits are pushed into a desperate fight for survival while Kafka races to reach them before it is too late.

E8Welcome to the Defense Force

Jun 1, 202424m★ 7.3

After revealing his power to save Reno and Iharu, Kafka comes face-to-face with Hoshina, who immediately recognizes him as a dangerous kaiju. Reluctant to fight back against someone he respects, Kafka must find a way to escape without exposing the truth behind his identity.

E9Raid on Tachikawa Base

Jun 8, 202424m★ 8.0

With Mina away, Tachikawa Base is suddenly attacked by a coordinated swarm of flying kaiju led by a powerful new intelligent threat. As the Defense Force scrambles to defend its headquarters, Hoshina takes command and finds himself singled out by an enemy eager to test its strength against the base’s strongest fighter.

E10Secret Revealed

Jun 15, 202424m★ 8.4

As the attack on Tachikawa Base intensifies, Hoshina is pushed to his limits against an increasingly powerful enemy. With the Defense Force struggling to contain the threat, Kafka faces an impossible choice between protecting the secret he has fought to preserve and using his hidden power to save his comrades.

E11Kaiju No. 8 Captured

Jun 22, 202424m★ 8.2

With his identity exposed, Kafka is taken into Defense Force custody and transferred to headquarters under the orders of Director General Isao Shinomiya. Haunted by the possibility that his dream is over and that he has betrayed his comrades, Kafka faces an uncertain fate while Mina struggles with what comes next.

E12Kafka Hibino

Jun 29, 202424m★ 8.2

As the Third Division fights to save Kafka from execution, he is forced into a brutal confrontation with Director General Isao Shinomiya. When the kaiju within him begins to seize control, Kafka must struggle to prove that he can remain human before his fate is decided.

E13Kaiju Weapon

Jul 19, 202524m★ 7.5

Kafka goes on a mission with his new squad and faces Kaiju No. 9 once again.

E14The Next Generation's Trial

Jul 26, 202524m★ 7.5

A massive sinkhole opens in Shinagawa, unleashing a swarm of giant ant kaiju and sending the First Division into action. As Kikoru works to prove herself under Narumi’s command, Kafka joins the battle under close supervision, determined to demonstrate that he can still be an asset to the Defense Force.

E15The Strongest Division

Aug 2, 202524m★ 7.8

Kaiju No. 9 divides into two bodies, forcing the First Division into battles on multiple fronts. While Narumi confronts one of the evolving threats, Kafka and Kikoru struggle against the other, and Kafka faces a frightening new problem when he suddenly finds himself unable to transform.

E16The Man Called Isao Shinomiya

Aug 9, 202524m★ 8.3

As the battle against Kaiju No. 9 reaches a critical stage, Kafka, Kikoru, and Narumi combine their strength to confront the evolving threat. Just when the Defense Force appears to regain control, a sudden development places Director General Isao Shinomiya at the center of an unprecedented crisis.

E17I Want to Be Strong

Aug 16, 202524m★ 7.8

In the aftermath of the devastating battle with Kaiju No. 9, the Defense Force faces an uncertain future. As Narumi and Kikoru renew their determination to become stronger, Kafka confronts the growing consequences of relying on Kaiju No. 8’s overwhelming power.

E18Compatible User

Aug 23, 202524m★ 7.7

Kaiju No. 10 awakens in Defense Force custody and makes an unexpected proposal to Hoshina. Meanwhile, the division captains gather to discuss how to confront the growing threat of Kaiju No. 9, leading Hoshina to present a surprising possibility that could reshape their strategy.

E19Wall

Aug 30, 202524m★ 7.1

Chosen to wield the formidable Numbers Weapon 6, Reno enters his first real battle with the dangerous new equipment. As his abilities continue to grow at an astonishing pace, Iharu struggles with frustration and self-doubt while trying to keep up with the teammate who once stood beside him as an equal.

E20Destiny

Sep 6, 202524m★ 7.1

As Reno struggles to control the immense power of Numbers Weapon 6, Iharu refuses to let him face the danger alone. Their battle pushes both recruits to their limits, forcing Iharu to confront his own potential while the bond between them becomes their greatest weapon.

E21Omen

Sep 13, 202524m★ 7.2

Determined to fight without relying entirely on Kaiju No. 8, Kafka begins intensive close-quarters training under Hoshina. As he reconnects with his scattered comrades, the Defense Force grows increasingly concerned by a series of unexplained kaiju incidents appearing across Japan.

E22Cataclysms

Sep 20, 202524m★ 8.0

Kaiju suddenly emerge across Tokyo and begin coordinated attacks on critical facilities throughout Japan. As the crisis spreads on an unprecedented scale, the First and Third Divisions mobilize alongside the Defense Force’s strongest fighters and newest recruits to confront a threat unlike anything they have faced before.

E23Second Wave

Sep 27, 202524m★ 8.2

Just as the Defense Force begins turning the tide against the widespread kaiju attacks, five powerful numbered kaiju appear before its strongest fighters. With the situation rapidly deteriorating, Kafka is forced to decide whether he can continue waiting for Kaiju No. 9 or must enter the battle himself.

About Kaiju No. 8

Kaiju No. 8 is an animation, action & adventure, sci-fi & fantasy series on TV Tokyo. The show first aired on Apr 13, 2024 and currently has 1 season and 23 episodes. Kaiju No. 8 has ended. It has a rating of 8.4/10 based on 833 votes. The cast includes Masaya Fukunishi, Asami Seto, Wataru Katoh, Fairouz Ai, Kengo Kawanishi.