After deleting the agents cache and re-assign the tv show, the result is now correct.
But it must be still a bug or similar, because I added three new tv shows to my collection and only “Lady Oscar” was not displayed with its German title.
Attached you find the related log file. It starts at “2019-10-27 18:25:50,516” and in line “2019-10-27 18:25:57,633” it misses the “de” at the end of the URL:
Maybe something is wrong in the plex server code if multiple new entries are updated (race condition)?!
Log file:
com.plexapp.agents.themoviedb.log.zip (16.1 KB)
