Quick Answer
UFO Ultramaiden Valkyrie is streaming on Crunchyroll. 12 episodes (~5h total watch time). Availability may vary by region.
Where to Watch UFO Ultramaiden Valkyrie
UFO Ultramaiden Valkyrie is currently on Crunchyroll. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
Confirmed Streaming Platforms
Subscription availability by JustWatch
Check Other Platforms
Anime licensing changes by region. If UFO Ultramaiden Valkyrieisn't on your usual service, try these.
About UFO Ultramaiden Valkyrie
UFO Princess Warukyure, aka UFO Princess Walkyrie is about a princess from outer space who accidentally crashes on earth, where Kazuto desperately tries to maintain the public bath of his grandfather. Due to circumstances, Kazuto receives part of princess Walkyrie's soul which forces her to stay there with him. But that's not the only problem ... because her soul lost strength, the princess transforms both mentally and physically into a little kid! (Source: AniDB)
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch UFO Ultramaiden Valkyrie legally?
Right now, UFO Ultramaiden Valkyrie is on Crunchyroll. 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 UFO Ultramaiden Valkyrie on Netflix or Crunchyroll?
It's confirmed on Crunchyroll. Netflix availability depends on your region — some countries have it, others don't.
Is UFO Ultramaiden Valkyrie 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 UFO Ultramaiden Valkyrie.
Can I watch UFO Ultramaiden Valkyrie 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.