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Nobita wants to run away from his home, as depicted many times in various episodes. As a result of failing to find an ideal home, Nobita decides to make a makeshift place to live. However, he still cannot find a place to live due to land property ownership laws. At the same time, Shizuka, Gaian, Suneo and even Doraemon want to run away from their homes. Then Nobita suggests that they should go back in time to live in a place with very few humans. Thus, they return to the past Japan, which is 70000 years back from then. They witness the founding of Japan. A mysterious boy from the past accidentally gets sucked to Nobita's era and place, causing a complicated array of problems.

How to Watch Doraemon Nobita and the Birth of Japan Legally and Safely

If you want to stream Doraemon Nobita and the Birth of Japan 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 Doraemon Nobita and the Birth of Japan 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.