Watch Kaiju No. 8 Season 1 Episode 21 Online
“Omen” — Watch "Kaiju No. 8" Season 1 Episode 21 online in HD for free. Check streaming providers, cast, and episode details.
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Season 1 Episode 21 — Aired on Sep 13, 2025 • runs about 24 minutes.
Directed by Ryo Kodama, Haruka Yoshinaga.
Written by Yuichiro Kido.
Notable cast/guest names in this episode include Masaya Fukunishi, Asami Seto, Wataru Katoh, Fairouz Ai.
This page includes 6 official still(s) (when available) plus legal availability links.
Looking for “watch Kaiju No. 8 Season 1 Episode 21 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
A horde of Kaiju appear all over Tokyo at the same time!
Stills
Cast
as Kafka Hibino / Kaiju No. 8 (voice)
as Mina Ashiro (voice)
as Reno Ichikawa (voice)
as Kikoru Shinomiya (voice)
as Soshiro Hoshina (voice)
