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Kaiju No. 8 S1E21 — Omen
7.2
Kaiju No. 8•Season 1•Episode 21

Omen

7.2/10 · 13 votesSep 13, 202524 min

Ranked #21 of 23 in Season 1•−0.9 vs season avg

Discussion

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.

Directed byRyo Kodama, Haruka Yoshinaga
Written byYuichiro Kido
Previous episodeE20 · DestinyNext episodeE22 · Cataclysms
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Seasons1

All1

Season 1 Episodes23

The Man Who Became a Kaiju stillE1 8.1

The Man Who Became a Kaiju

The Kaiju Who Defeats Kaiju stillE2 8.1

The Kaiju Who Defeats Kaiju

Revenge Match stillE3 7.8

Revenge Match

Fortitude 9.8 stillE4 8.8

Fortitude 9.8

Joining Up! stillE5 7.6

Joining Up!

Sagamihara Neutralization Operation at Daybreak stillE6 8.1

Sagamihara Neutralization Operation at Daybreak

Kaiju No. 9 stillE7 8.9

Kaiju No. 9

Welcome to the Defense Force stillE8 8.1

Welcome to the Defense Force

Raid on Tachikawa Base stillE9 8.9

Raid on Tachikawa Base

Secret Revealed stillE10 9.4

Secret Revealed

Kaiju No. 8 Captured stillE11 9.0

Kaiju No. 8 Captured

Kafka Hibino stillE12 8.7

Kafka Hibino

Kaiju Weapon stillE13 7.5

Kaiju Weapon

The Next Generation's Trial stillE14 7.5

The Next Generation's Trial

The Strongest Division stillE15 7.8

The Strongest Division

The Man Called Isao Shinomiya stillE16 8.3

The Man Called Isao Shinomiya

I Want to Be Strong stillE17 7.8

I Want to Be Strong

Compatible User stillE18 7.7

Compatible User

Wall stillE19 7.1

Wall

Destiny stillE20 7.1

Destiny

Omen stillE21 7.2Now viewing

Omen

Cataclysms stillE22 8.0

Cataclysms

Second Wave stillE23 8.3

Second Wave

Cast5

Masaya Fukunishi

Masaya Fukunishi

Kafka Hibino / Kaiju No. 8 (voice)

Asami Seto

Asami Seto

Mina Ashiro (voice)

Wataru Katoh

Wataru Katoh

Reno Ichikawa (voice)

Fairouz Ai

Fairouz Ai

Kikoru Shinomiya (voice)

Kengo Kawanishi

Kengo Kawanishi

Soshiro Hoshina (voice)

Crew12

N

Naho Seike

Animation Director

M

Mai Fukuhara

Animation Director

S

Saki Hasegawa

Animation Director

K

Kei Saotome

Animation Director

K

Katsuya Kikuchi

Storyboard Artist

Aurora Aksnes

Aurora Aksnes

Theme Song Performance

Yuichiro Kido

Yuichiro Kido

Series Composition

Yuichiro Kido

Yuichiro Kido

Writer

L

Liu Baihong

Animation Director

R

Ryo Kodama

Director

Y

Yoko Takanori

Animation Director

H

Haruka Yoshinaga

Director

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Episode Summary

"Omen" is episode 21 of Kaiju No. 8 season 1. It scored 7.2/10 from 13 votes, ranking #21 of 23 episodes this season (season average 8.1). Directed by Ryo Kodama, Haruka Yoshinaga and written by Yuichiro Kido, it aired on September 13, 2025.

Next: E22 · CataclysmsBest of Season 1