Plex shows partially wrong info for The Traitors (US)

Plex Server Version: Version 1.30.1.6562 Winx64

Relevant settings for TV library:
General > Language: English
Advanced > Scanner: Plex TV Series
Advanced > Agent: Plex TV Series
Advanced > Use original titles: true
Advanced > Use local assets: false
Advanced > Prefer artwork based on library language: false
Advanced > Prefer local metadata: false

This is what it shows for the show


Correct:

  • Show Poster
  • Show Background
  • Show Description
  • Show Cast
  • Show Extras

Incorrect:

  • Show Title
  • Episode Titles
  • Episode Descriptions
  • Episode Thumbnails

When I do Fix Match it shows what seems like the correct show. But selecting it gives the results above.

When searching on watch.plex.tv it shows the correct data so unsure what is happening. https://watch.plex.tv/show/the-traitors-2

If I uncheck Advanced > Use original titles it changes the Show Title to the correct title (The Traitors) but all the episode data is still incorrect.

Are the files perhaps in mp4/m4v format?
If yes, do they contain embedded meta tags?

How are the files named?
Particularly, how is the folder named?

If you edit the show as whole in Plex, what language is selected on the “Advanced” tab?

I saw the same with mine, they are all mkv files.

Checked on the tvdb, tmdb and imdb and all the episode titles are correct on those sites.

I fixed mine by changing the Episode ordering to The Movie Database (Aired)

My naming is:
The Traitors (US)
– Season 01
---- The Traitors (US) - s01e01 - The Game Is Afoot.mkv

TMDB (Aired) should be the default episode ordering.
What do you have selected as the default episode ordering for the whole library?

Mine is set to the tvdb

This might be an important data point.

In my case, it could be, as it looks like it was last edited on thetvdb today

Are the files perhaps in mp4/m4v format?

They are mkv

If yes, do they contain embedded meta tags?

Only metadata tags are for audio and subtitle streams

How are the files named?
Particularly, how is the folder named?

.\TV\The Traitors US 2023 [imdb-tt15557874]\Season 01\The Traitors US (2023) - S01E01 - The Game Is Afoot.mkv

If you edit the show as whole in Plex, what language is selected on the “Advanced” tab?

If you mean Metadata language it is set to Library default

I changed the ordering from TheTVDBThe Movie Database and it did fix the issue.

Replace these [] with these {}, otherwise Plex will ignore the ID, instead of using it for matching.

I recommend you to use either IDs from TheTVDB.com or TheMovieDB.org for TV shows.
IMDb IDs are more used for movies.

Ah good catch. Forgot to change that back. Thanks!