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As Hiccup fulfills his dream of creating a peaceful dragon utopia, Toothless' discovery of an untamed, elusive mate draws the Night Fury away. When danger mounts at home and Hiccup's reign as village chief is tested, both dragon and rider must make impossible decisions to save their kind.

How to Watch How to Train Your Dragon: The Hidden World Legally and Safely

If you want to stream How to Train Your Dragon: The Hidden World 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 How to Train Your Dragon: The Hidden World 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.