En su versión original, contó con las voces de Matthew Broderick y Brittany Murphy.

After reviewing reputable film databases (IMDb, Filmaffinity, Wikipedia en español, Rotten Tomatoes) and Spanish-language streaming platforms (Netflix, Prime Video, YouTube Movies, Claro video),

: Owen, a 12-year-old boy, adopts a dog named Hubble. He soon discovers that Hubble is actually an interplanetary agent from the "Dog Star" Sirius who came to Earth to investigate why dogs have not yet taken over the planet.

To summarize:

We strongly recommend using for Spanish-language movies:

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