Dark — (2017) Czech Subtitles

Ensure the subtitle filename matches your video file version (e.g., 720p.NF.WEBRip ) to avoid timing issues.

If you have a subscription, the most reliable source is itself. Dark (2017) Czech subtitles

If the text is slightly off-time, use the 'H' key to delay or 'G' key to speed up the subtitles. Ensure the subtitle filename matches your video file