Official subtitles are found on platforms like NRK TV (via VPN) or Amazon Prime Video (in select regions). These offer professional timing and translation. The nuance of the dialogue—particularly the archaic speech patterns used by the ancient vampires—is preserved. If you have access to the official release, this is the gold standard.
(Always use legal sources to stream or download.) Heirs Of The Night English Subtitles
The king of the subtitle world. As of this writing, OpenSubtitles has a dedicated community for Heirs of the Night. You will find SRT files for both Season 1 (10 episodes) and Season 2 (10 episodes). Official subtitles are found on platforms like NRK