Do you actually mean “episodes”?
There is currently a known bug when using the old, deprecated metadata agents on Windows. I’d follow this thread Stopped adding new files - #35 by sa2000 or the server release notes for when a fix is released.
Or think about finally moving to the new agent. https://support.plex.tv/articles/migrating-a-tv-library-to-use-the-new-plex-tv-series-agent-scanner/
