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Four siblings are shocked to learn their adopted brother is actually a visiting alien and his time on earth is soon coming to an end. Will they be able to cope with his departure and also save the family yakiniku restaurant?

How to Watch My Brother, the Alien Legally and Safely

If you want to stream My Brother, the Alien 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 My Brother, the Alien 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.