If you download a subtitle and it doesn't line up with the audio:
: Ensure the subtitle specifically mentions "Extended" . A theatrical subtitle will be out of sync after the first new scene [1].
: Good for movie-specific searches, though primarily focused on YTS releases [2]. Quick Sync Guide
: A massive database. You can use their search filters to narrow down by "Extended" and your preferred language [4].
: Most media players allow you to shift subtitle timing: