Has anyone found a way to make this work?

[NewPlaza]

@systematyk

For MKV files it appears Plex will not use file names for episodes, is there a way to force it to or a tagging scheme that will work from the file side?

M4V/MP4 files support embedded metadata. You could add the title there.
Take a look at this post.

Adding a tv show that is partially on The TVDB

Okay. If thetvdb displays only the first 108 episodes (or 108 scattered/out of order) then you can add them to thetvdb yourself or you can add them in plex at a much higher episode number. My example is the tv show “cops” [cops] [cops2] [cops3] I started the episode count at 100 because I could not verify what episode correctly goes in what order so I didn’t what plex to match plot summary/synopsis incorrectly. I could started at episode 50 cause no season has 50 episodes(most is season 5 …

Look at the last 2 picture I posted.