Some countries rotate the Harry Potter films on Netflix. Always check the language options. Look for the subtitle icon and manually select instead of Spanish.
¿Sabías que Hogwarts es el mejor lugar para aprender inglés? Ver la saga de Harry Potter en inglés con subtítulos en inglés
Many Spanish speakers are accustomed to watching Hollywood blockbusters dubbed into Spanish (dual audio). While Spanish dubbing is generally of high quality, watching the offers benefits that dubbing simply cannot replicate.