If you are seeing symbols like "Г" (as in your query), it means there is a . Open the .srt file in a text editor like Notepad. Select "Save As." In the Encoding dropdown menu, select UTF-8 .
On platforms like , Amazon Prime Video , or HBO Max (availability varies by region), you can toggle "Spanish [CC]" or "Español" in the audio/subtitle settings. These are synchronized professionally by the distributors. Physical Media :
Save and reload the movie; the Spanish accents will now appear correctly.