Use MKVToolNix or MakeMKV to ensure the subtitle tracks are selected during the rip.

[MakeMKV Subtitles] Fix MakeMKV Subtitles Missing, Always On, Forced

Use Subdl or OpenSubtitles to search for "The 355".

Since you have a specific scene release ( 1080p.Bluray.DTS-HD.MA.5.1 ), you should look for subtitle files that mention "BluRay" or "1080p" in their name to ensure they match the 23.976 fps frame rate of your video.

Look for a filename that matches your video file as closely as possible. If an exact match isn't available, any "BluRay" or "BRRip" .srt file will generally work. 2. Manual Extraction (If you have the original disc)