How is it named and numbered?
From the top of Volume1.
Create a Shared folder for TV (any name you want)
/volume1/
TV Shows/
Chapelle's Show/
Season 1/
Chapelle's Show - S01E01 - Optional title for episode 1 here.ext
Create a TV section, have Plex look at ‘/volume1/TV Shows’.
Plex will do the rest.
Movies are similar
/volume1/
Movie Name (year)/
Movie Name (year).ext
Interview with the director-interview.ext
You might want to read through