Certain Local Trailers Not Showing in Plex Library

Hi everyone,

I’m experiencing an issue with local trailers not showing up in Plex, and I’m hoping someone can help me figure out what’s going wrong.

Issue:

Some trailers I’ve placed in the “Trailers” subfolder under the respective movie directory do not appear in Plex. However, this is not a problem with the video files themselves. I have tested this by copying a trailer from a movie where trailers work fine into the folder of a movie where they do not show up. The result: even the working trailer does not appear when placed in the problematic movie’s “Trailers” folder.

I have noticed this issue with six movies so far, including:

  • Beverly Hills Cop (1984)
  • Brother Bear (2003)
  • The Bourne Conspiracy

The videos are encoded in HEVC MP4 format and play fine on my computer. All were created using the same software and settings.

Movies/
├── Movie Name (YYYY)/
│ ├── Movie Name.ext
│ ├── Trailers/
│ │ ├── Trailer1.mp4
│ │ ├── Trailer2.mp4
│ ├── Shorts/
│ ├── Scenes/

What I’ve Tried:

  • Ensuring trailers are named correctly.
  • Copying known-working trailers into the non-working folders (they do not appear there either).
  • Checking file permissions.
  • Restarting Plex and refreshing the library.

Questions:

  • Has anyone encountered this issue before?
  • Could there be a metadata-related problem causing Plex to ignore certain trailer folders?
  • Are there any logs or debugging steps I should check to understand why these specific trailers are not being detected?

Any help would be greatly appreciated!

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