Way to fix theTVDB matching directly in the data? which table?

[JuiceWSA]

After that - here’s the standard hail mary…:

https://support.plex.tv/articles/202967376-clearing-plugin-channel-agent-http-caches/

Then in a last ditch effort to achieve excellence - Plex Dance all shows that are misbehaving - doing every step, in the order described - or it won’t work:

The Plex Dance ™

The purpose of this is to remove all cached metadata and xml data for an item that Plex usually keeps. This helps when you want to “start from scratch” for particular item move all files for the media item out of the directory your Library is looking at, so Plex will not “see” it anymore scan the library library (to detect changes) empty trash clean bundles (in menu next to server name, when accessed under ‘More’) double check naming schema and move files back scan the library Support articl…

But before any of that - do start preparing some fresh logs by enabling debug and disabling verbose: Server/Settings/General

Those logs will be best if they log the action above - and any misbehavior of same. <— in case they’re called for in the near future.