Lost a tv show - its gone in plex - files there

Plex Media Server
2

I would be tempted to name 2019,2020,2021 seasons as follows. Then Plex Dance

The Naming is as Follows:

Operation X
/Season 2019
/Operation X - S2019E01 - pt1.ext
/Operation X - S2019E01 - pt2.ext

ext = File type