If you are using a local media player (like VLC), you can find standalone .srt files on reputable community sites. Note that these may require manual syncing depending on your video file's frame rate:
: A common source for community-uploaded SRT files in various English dialects. Granite Harbour subtitles English S01E03
: Usually offers multiple versions (Retail, HDTV, and WEB-DL). If you are using a local media player
: As the original broadcaster, BBC One provides high-quality English subtitles and Audio Description for this 57-minute finale. Granite Harbour subtitles English S01E03
💡 : If using a browser, extensions like Substital can help you search and overlay subtitles directly onto various web players. Granite Harbour S01E03 2022 - video Dailymotion
: Unofficial fansubs might occasionally misinterpret the thick Aberdonian accents or specific police jargon used in the show.