I tried this on Netflix.
Downloaded the first season of Sex Education, which has two spanish audio tracks (Spain and Latin american), and chose the Spain one. The result was, the first episode downloaded with the spanish latin american track (s01e02), the other three with the correct Spain track. (there are more than four episodes, I skipped the first one as I had downloaded it earlier, and deleted the last ones from the queue when I saw the audio was wrong)
Downloaded the first season of Sex Education, which has two spanish audio tracks (Spain and Latin american), and chose the Spain one. The result was, the first episode downloaded with the spanish latin american track (s01e02), the other three with the correct Spain track. (there are more than four episodes, I skipped the first one as I had downloaded it earlier, and deleted the last ones from the queue when I saw the audio was wrong)