The best subtitles for Sherlock are those that capture the fast-paced, "mind palace" dialogue of Benedict Cumberbatch. Look for "Retail" or "Proper" tags in the subtitle filename. How to Use Subtitles with Your Video
Ensure the video file and the subtitle file have the exact same name (e.g., Sherlock.S04E03.480p.mkv and Sherlock.S04E03.480p.srt ). Keep them together: Place both files in the same folder.
If the subtitles are slightly off-sync, it’s usually because of the frame rate difference between "HDTV" rips and "BluRay" rips. If you find the text appearing before the audio, most players allow you to adjust the "Subtitle Delay."