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Discovering part of an ancient Spanish treasure map, young Eldon Flowers dreams of finding gold. He could be rich, and he could also help Mr. Graff who is about to lose his home. Eldon secretly hopes this valiant deed will make him the hero he longs to be. With help from the other ButterCreamers, he embarks on a quest that will lead him to a concealed crypt in an old monastery, a deep cave hidden high in a mountain, and face to face with three greedy characters who will stop at nothing to find the treasure first. Eldon must often make difficult decisions that help him discover much more than gold. He finally sees himself as others do and begins to understand what being a hero really means.

How to Watch The ButterCream Gang in Secret of Treasure Mountain Legally and Safely

If you want to stream The ButterCream Gang in Secret of Treasure Mountain 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 The ButterCream Gang in Secret of Treasure Mountain 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.