Indexing very old tv programs

Plex Media Server Metadata & Adding Files
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1

Server Version#: 4.147.1

I am trying to add some very old (1970) Dr Who which are in mp4 format but as you can guess they are not indexing due to naming conventions.
This is the typical file name C2_t06.mp4, I have tried to change the filename to Silurians.s00.e01.mp4 but that then indexes as the reboot, post 2000 indexing as Specials.

Where can I the correct information to rename the files so that they index?

TIA

2

Best check out The Movie Database for the correct episode numbers. Keep in mind, those aired as a set of episodes. If your video has them grouped in a single file, you might want to reflect that when naming the files.

An organization like this should work:

TV Shows <- the folder linked to your library
  Doctor Who (1963)
    Season 07
      Doctor Who (1963) - s07e05 - Doctor Who and the Silurians (1).mp4
      Doctor Who (1963) - s07e06 - Doctor Who and the Silurians (2).mp4
      …
      Doctor Who (1963) - s07e11 - Doctor Who and the Silurians (7).mp4

Edit: here’s the general guide on naming your tv content:
https://support.plex.tv/articles/naming-and-organizing-your-tv-show-files/