Issue with TV Library

Plex Media Server NAS & Devices
1

Synology NAS DSM7.2.2
September Release
I’m trying to determine whether there may be a current issue with the Plex TV Series scanner / Plex Series agent, particularly after a server rebuild or reclaim.

Environment:

  • Synology NAS

  • Plex Media Server installed directly from plex.tv downloads (not Package Center)

  • Clean uninstall + reinstall

  • Scanner: Plex TV Series

  • Agent: Plex Series

  • Clients tested: Plex Web (PC) and Android TV (Sony Bravia)

Observed behaviour:

  • TV library scans run normally (activity shown, time spent)

  • No errors reported

  • Only a small number of TV series appeared initially

  • Subsequent scans added nothing further

  • Recreating the TV library did not resolve this

What makes this confusing:

  • Movies library populates normally and quickly

  • Music library populates normally and is playable

  • Same server, same filesystem paths, same permissions

Key observation:

  • Adding a known-good TV show (Fallout 2024) appears immediately in Plex Web on PC

  • The same show does not appear on the Android TV client, even after app restart

This suggests TV ingestion via the scanner/agent is at least partially working, but either:

  • the TV agent is refusing to commit matches under some conditions, or

  • the TV library index is not refreshing correctly on clients

Additional odd behaviour:

  • Android TV client shows multiple identical server entries (same server name), all pointing to the same NAS

  • Movies and Music appear under these entries; TV does not reliably

Questions:

  • Is there a known issue where the TV Series scanner/agent silently fails to commit matches after a rebuild or reclaim?

  • Are there situations where TV libraries take an unusually long time to propagate to Android TV clients despite successful ingestion?

  • Is there any diagnostic logging that explains why a TV series is rejected or not surfaced?

At this point Movies and Music behave consistently, which makes this feel TV-pipeline-specific rather than a general server, permission, or filesystem issue.

Any insight appreciated, especially if others have observed similar behaviour recently.

2

Update / addendum:

I did some further controlled testing and checked the Plex Media Scanner logs.

Two TV series that ingest successfully (Fallout, Pluribus) both generate normal entries in Plex Media Scanner.log and appear in Plex Web.

Another recent series (Down Cemetery Road) does not appear in Plex Web, and there are no entries for it at all in Plex Media Scanner.log, despite triggering a library scan and seeing brief scan activity.

This suggests the TV scanner is skipping some series entirely before handing them to the agent, rather than failing at metadata matching or client refresh.

3

I’ve tried Down Cemetery Road on my server and it shows instantly.

Check access permissions Synology FAQ - Questions, Answers, and How-To's - #12 by ChuckPa
folder structure https://support.plex.tv/articles/naming-and-organizing-your-tv-show-files/
and file names.

Keep in mind that you never add individual tv shows to a plex library, but only point the library to the folder which holds all your tv shows.

4

Most common error is as Otto notes above is file naming and folder structure.

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