Confirm the production first
Open the title details and compare the film or episode. A similarly named remake, translated title or different cut can make the language question harder to recognise.
Use the active player’s audio menu
If the video is speaking Spanish when you expected another language, inspect the available spoken tracks. Subtitle settings change text and may leave the audio untouched. If the desired track is absent, inspect another offered edition rather than repeatedly changing captions.
Menus differ by application
Apple’s TV-app instructions show distinct audio and subtitle choices across devices. Use them only for that app; Bear Player or another service can have a different interface.
Carry the language choice to the television
Check the track again after casting or opening a different device app. A browser-language setting is not a command to every video player to supply a matching dub.