When searching on these sites, try filtering by "BluRay" or "WEB-DL" to filter out the lower-quality "CAM" versions recorded in theaters.

Subtitles appearing too early or too late (lagging).

If you're unable to find the subtitle file on the above websites, you can try torrent sites. However, be cautious when using torrent sites, as they may contain malware or viruses.

(2019), you can use specialized subtitle databases or media player tools. The most common format to look for is