Quick Answer
Alien 9 is streaming on Eternal Family. 4 episodes (~2h total watch time). Availability may vary by region.
Where to Watch Alien 9
Looking for Alien 9? It's available on 1 platform right now. Scroll down for direct links and search options if it's not showing up in your country.
Confirmed Streaming Platforms
Subscription availability by JustWatch
More Ways to Watch Alien 9 (US)
Watch Free
Buy
Availability data by JustWatch
Check Other Platforms
Anime licensing changes by region. If Alien 9isn't on your usual service, try these.
About Alien 9
Soon after entering middle school, Yuri Otani is coerced into joining the "Alien Party," a single-minded group with one goal: capture any alien attempting to enter school grounds. Terrified of aliens her entire life, Otani is anything but thrilled, and to make matters worse, her kit includes a "Borg"—an alien-like creature tasked with ensuring her safety. Despite this, she finds solace in her two partners: the independent and reliable Kumi Kawamura, and the smart and energetic Kasumi Tomine. ...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Alien 9 legally?
Right now, Alien 9 is on Eternal Family. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is Alien 9 on Netflix or Crunchyroll?
Can't confirm either right now. Both platforms rotate their catalogs pretty often, so it's worth searching directly on each one.
Is Alien 9 available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Alien 9.
Can I watch Alien 9 for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.