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Geraldine and her two daughters, Livvie and Angeline, are living rough on the streets on London. When their van blows up, they must find an alternative place to stay. At first, they live in temporary housing, but the conditions are unbearable. Geraldine reacts quickly and the family decides to take up residence in Scottley's, the best department store in London. They must keep it a secret from doorman Brian (whom the girls call Mr. Whiskers), and a couple of bumbling thieves who want to rob the store safe of its jewels.

How to Watch The Greatest Store in the World Legally and Safely

If you want to stream The Greatest Store in the World 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 Greatest Store in the World 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.