Custom renaming TV shows w/existing metadata w/other names

This is kind of a strange thing, but i have a tv series that didn’t get a proper ending until a 4 hour miniseries was done. For some reason, when i put in a folder as season 0, and put into 2 parts, the metadata comes up. BUT – I want it as season 10 with 4 episodes, not season 0 as 2 double-length episodes. Some sites do have it this way, but not imdb or tvdb or any official sites that provide metadata for tagging. Is there anyway I can change the title after it gets the metadata for the plot and artwork, and change the location and filenames without losing them and having them disappear as generic video files? I know I can use the justusefilename pseudo scraper, but i’m not sure if that will group it with the correct tv show and i’m not sure exactly how to add all the artwork and plot description. I’m using Fire TV stick, 2nd gen. I’m kind of an intermidate-newbie to kodi. I was wondering If I put the episodes into my iTunes library first, tag them in there, then import them into Kodi, will the metadata be embedded and used by Kodi? Thanks for any assistance.