Doctor Who (1963): How to organize alternate episode presentations ?

[IndianaLarry]

The Star Trek: The Next Generation Blu-Rays has something like this with its Season 2 episode The Measure of a Man. From what I can tell, there are two ways of doing this:

1. Adding the episode to the Specials folder, where Jellyfin will have it show up as an episode independent of the seasons. The Movie Database has support for this.
   
2. Add an Extras folder within the season folder, and put the extra files there. Jellyfin will use the file name as the entry name. This method reflects how the Blu-Ray handles this sort of situation.
   

Neither are ideal, but I do not believe Jellyfin has support for "alternate" versions outside of director's commentaries (and those are purely just alternate audio tracks on the same file, utilizing the same structure as alternate languages).