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Fiore, an old friend from Mamoru’s lonely childhood who couldn’t survive on Earth, returns with flowers he promised Mamoru. But, the evil flower Kisenian overpowered Fiore’s weak mind and manipulated him into spreading Kisenian’s seeds over Earth in an effort to drain energy from everyone on Earth. Kisenian manages to do this because he’s deceived Fiore using Fiore’s long-lost friendship with Mamoru. It is up to Sailor Moon and the Sailor Senshi to stop Kisenian.

How to Watch Sailor Moon R: The Movie: The Promise of the Rose Legally and Safely

If you want to stream Sailor Moon R: The Movie: The Promise of the Rose through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry Sailor Moon R: The Movie: The Promise of the Rose films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.