If you have the video files and need to add subtitles manually, these are the most reliable communities:

Make sure the subtitle file has the exact same name as your video file (e.g., Avenue.5.S01E01.mp4 and Avenue.5.S01E01.srt ).

Finding reliable Dutch subtitles for can be a bit of a trek, but here are the best ways to get them: 1. Official Streaming

The easiest way to watch with Dutch subtitles is via (or the local provider that carries HBO content in your region, like Ziggo in the Netherlands). They provide professionally translated subtitles that are timed perfectly to the video. 2. Trusted Subtitle Databases

Great for hearing-impaired versions and quick releases, though their Dutch library is slightly smaller than the others. 3. How to use them Once you download the .srt file:

Use VLC Media Player or MPC-BE . Just drag and drop the .srt file onto the video while it's playing if it doesn't load automatically.