TV episodes split across multiple files - but not playing properly

Plex Media Server Metadata & Adding Files
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1

Server Version#: 1.21.4.4079
Player Web Version#: 4.52.2
Plex Android Version#: 8.13.1.23036

I have a tv series where I ended up downloading the files from youtube. But now, each episode is split into four parts, and it is complicated by having subtitles. So I have it organised for plex as:

Series Name/Season 1/Series Name - S01E01 - pt1.mp4
Series Name/Season 1/Series Name - S01E01 - pt1.srt
Series Name/Season 1/Series Name - S01E01 - pt2.mp4
Series Name/Season 1/Series Name - S01E01 - pt2.srt
Series Name/Season 1/Series Name - S01E01 - pt3.mp4
Series Name/Season 1/Series Name - S01E01 - pt3.srt
Series Name/Season 1/Series Name - S01E01 - pt4.mp4
Series Name/Season 1/Series Name - S01E01 - pt4.srt

The problem I have is:

  1. Plex recognises that there are 4 parts to this episode, and lists it as Ep. 1 [4/4]. But when I play it in the web player, it plays them out of order: pt3, pt4, pt1, then pt2. How do I fix the order?

  2. In my Android Plex app, it plays S01E01 pt3 first, then moves on to S01E02. ?!?

2

what you have looks good enough to me

reference: Naming and Organizing Your TV Show Files | Plex Support

try using

Series Name/Season 1/Series Name - S01E01 - part1.mp4
Series Name/Season 1/Series Name - S01E01 - part1.srt
Series Name/Season 1/Series Name - S01E01 - part2.mp4
Series Name/Season 1/Series Name - S01E01 - part2.srt
Series Name/Season 1/Series Name - S01E01 - part3.mp4
Series Name/Season 1/Series Name - S01E01 - part3.srt
Series Name/Season 1/Series Name - S01E01 - part4.mp4
Series Name/Season 1/Series Name - S01E01 - part4.srt

I would make sure that the file data created timestamps are in order chronology.

Also, note “Not all Plex apps support playback of stacked media”.
Personally, I would just combine them for compatibility.

3

Android doesn’t support split files.

step 1:
mux the subtitles with their video files together, using MKVtoolnixGUI

step 2: chain the parts together, using this HowTo: [HowTo]: joining multi-part movies files with MKVtoolnix GUI