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After the events of The Stone Forest, Hilda and Baba switch species, with Baba turning into a human, and Hilda turning into a troll. Hilda goes on an adventure to find a way to bring herself back human again, with her mother, Johanna, trying to find for her in the mountains. Hilda must find a way to get herself back home as a human, and prevent the citizens of Trolberg from being invaded by trolls.

How to Watch Hilda and the Mountain King Legally and Safely

If you want to stream Hilda and the Mountain King 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 Hilda and the Mountain King 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.