You shouldn’t have to do that at all. The Fix Match option should only be done in extreme circumstances. But… It’s there for people to use anytime I guess…
Just a little FYI, you must do the PlexDance anytime you make changes to a television series that will change what series it is. Plex is super dumb about that. If Plex didn’t get the series correct then YOU must remove it from Plex, WAIT for plex to see it gone(or scan the library), empty trash, clean bundles, make the necessary changes to the show, then add back. Pain-in-the-ass I know. but that’s Plex for you.
Words of wisdom, if Plex did NOT automatically match the show correctly the first time, it’s not going the 2nd, 3rd, etc until YOU correct the naming (either by using the right naming scheme or by “tricking” plex with a name plex thinks is correct), and PlexDance.