How are your files named and organized?
It will help to add the year to the Show folder. So if you do “Saved by the Bell (2020)” and “Saved by the Bell (1989)” that will keep them separate. You can also add {tmdb-####} to that show folder and that can help force a match as well (where #### is the ID from TMDB or you can use TVDB as well).
You may have to Plex Dance to get it sorted since it’s already matched once.
