The Great (2020) season metadata not pulling through

I just had this happen again, I added Solar Opposites S00E04.mkv
This is in a pre-existing folder structure where the main folder is Solar Opposites then Season 01 or Season 02. I added Season 00 with this episode in it. I tried the plex dance and it would not pull the title of the episode. I did what Sillvainplex suggested above, I changed the agent to the TVDB and it found it instantly. Now I have that pesky Upgrade Libraries notification.

What will happen if I allow the upgrade Libraries to run with TheTVDB listed as the agent like in this picture? I prefer the TVDB over I guess this new plex agent, that also uses TVDB, but doesn’t work? I’m honestly confused why this new plex agent exists if it just uses the same info as TheTVDB.
image