Thanks for the help! I have renamed the folders and files as you instructed. Did the Plex Dance on the White Princess folder. Now the White Princess properly reads in TV Shows: Folders, but Plex is still matching it to Season 1 of the Walking Dead. Also, now Season 1 of the Walking Dead is playing Season 1 of the White Princess (i.e., the White Princess has replaced Season 1 of the Walking Dead in Plex both in the Library and in the Plex Folders). When I move the White Princess folder on the server to another folder to which Plex does not point and rescan the files in Plex, I get Season 1 of the Walking Dead back.
Here is the full path to the files:
TV Shows 918 is the mounted NFS shared folder from my 918+ on the local network:
