Quick Answer
Operation Han-Gyaku-Sei Million Arthur is streaming on Crunchyroll. 10 episodes (~4h total watch time). Availability may vary by region.
Where to Watch Operation Han-Gyaku-Sei Million Arthur
Operation Han-Gyaku-Sei Million Arthur 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.
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About Operation Han-Gyaku-Sei Million Arthur
Tales of old speak of the legends of Excalibur, a sacred sword. The sword is wielded by those who are worthy of its power, bestowing them extraordinary strength and granting them the title of Arthur. However, a divine miracle results in the creation of multiple Excaliburs, thus distorting the fabric of time. Aiming to revert time to its original course, a group of six Arthurs composed of Danchou, Renkin, Kakka, Yamaneko, Tekken, and Rurou are sent back in time when the abnormal Excaliburs were...
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Where can I watch Operation Han-Gyaku-Sei Million Arthur legally?
Right now, Operation Han-Gyaku-Sei Million Arthur 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 Operation Han-Gyaku-Sei Million Arthur on Netflix or Crunchyroll?
It's confirmed on Crunchyroll. Netflix availability depends on your region — some countries have it, others don't.
Is Operation Han-Gyaku-Sei Million Arthur 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 Operation Han-Gyaku-Sei Million Arthur.
Can I watch Operation Han-Gyaku-Sei Million Arthur 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.