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A passenger ship, on her way to the scrap yard is pushed to her limits by the new owners to save on the dismantling fees. A tidal wave hits her, flipping her over so that all the internal rooms are upside down. A priest takes a mixed band of survivors on a journey through the bowels of the ship in an attempt to survive.

How to Watch The Poseidon Adventure Legally and Safely

If you want to stream The Poseidon Adventure 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 Poseidon Adventure 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.