Sometimes, smart TVs or consoles require you to set your "Preferred Language" in the main system settings before the app will display all available subtitle tracks.
The television series, based on the novels by Richelle Mead , typically offers a variety of subtitles depending on the streaming platform and region. While the specific "6 subtitles" available can vary, the most common options provided by major international distributors (like Peacock, Sky, or Prime Video) generally include: Common Subtitle Options
Standard for North and South American viewers.
Commonly available on European streaming platforms.