In markets like India, the "dual audio" release typically refers to files or discs containing the original English track alongside a Hindi dub. The Hindi adaptation of Game of Thrones was a massive undertaking, tasked with translating complex feudal terminology and invented proper nouns for a local audience.

Absolutely. Mastering opens up the entire series to a multilingual audience. Whether you are setting up a Plex server for your extended family, learning English by comparing it to your mother tongue, or simply archiving the highest quality version of the show, dual audio is the pinnacle of home media.