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On a rooftop high above the bustling streets of Hong Kong, a woman practices the ancient art of tai chi as her daughter watches from the shadows. Invisible from below, they share their hidden promontory with 30 other families. All live in shanties perched precariously on top of a nine-story building. This film is a porthole to an intimate view of life in these illegal rooftop tenements that exist throughout Hong Kong.

How to Watch Once Upon a Rooftop Legally and Safely

If you want to stream Once Upon a Rooftop 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 Once Upon a Rooftop 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.