Updated May 2026: Season 2 of Kaiju No. 8 premiered on Crunchyroll on July 19, 2025. This guide covers both seasons and all confirmed legal streaming and purchase options.
Kaiju No. 8 (怪獣8号) is a shonen action anime based on the manga by Naoya Matsumoto, serialized in Shonen Jump+. The story follows Kafka Hibino, a middle-aged man who dreams of joining the Defense Force — the military organization that fights giant monsters known as Kaiju — but ends up gaining a terrifying ability to transform into one himself. Season 1 (12 episodes) aired spring 2024; Season 2 (12 episodes) debuted in July 2025, introducing powerful new threats and the introduction of the Defense Force’s legendary First Division.
| # | Service | Type | Availability / Countries | Best for |
|---|---|---|---|---|
| 1 | Crunchyroll | Subscription streaming | US and broad international; catalog varies by region | Both seasons — sub and dub; simulcast home for Season 2 |
| 2 | Crunchyroll via Amazon Channel | Subscription add-on | US | Amazon Prime subscribers adding Crunchyroll |
| 3 | Amazon Video | Buy / rent | US and select regions | Purchase individual episodes or seasons |
| 4 | Apple TV Store | Buy / rent | US and select regions | Purchase option via Apple ecosystem |
Streaming Platform Quick Links
Streaming libraries change by country, so verify availability in your region before subscribing. There are no confirmed free ad-supported options for Kaiju No. 8 in the US as of May 2026.
Best Legal Options for Kaiju No. 8
1. Crunchyroll — Best Option for Both Seasons
Crunchyroll is the exclusive streaming home for Kaiju No. 8 in the US and most international territories. Both Season 1 and Season 2 are available with Japanese sub and English dub. Season 1 also includes a special episode (Hoshina’s Day Off) that streamed ahead of Season 2’s premiere. A Crunchyroll subscription starts at $7.99/month.
2. Buy or Rent Digitally
Season 1 is available to purchase through Amazon Video and Apple TV Store. Season 2 digital purchase availability should be verified, as it may follow after the streaming window.
A Note on X/Twitter
Kaiju No. 8 Season 1 had a limited promotional simulcast on X (formerly Twitter) for the first episode in 2024. This was a one-time promotional event and is no longer an active streaming option. Do not rely on X as a viewing source.
Kaiju No. 8 is confirmed on Crunchyroll in the United States. Traveling and can’t reach your usual Crunchyroll library? Connect to a US server with NordVPN to access your account from abroad.
Find more streaming guides at the JPBound Where To Watch Database.
