Local media assets for TV Shows

Currently, local media assets (e.g. trailers and behind the scenes) can only be added to movies and this is a big problem for me (and probably many others).

I have all of the new series of Doctor Who, and all the special content from the Blu-rays and have two choices for what to do with it:

a. I can put it into “Series 0”, but due to Doctor Who having Christmas Specials which belong there, this mixes up special content with special episodes
b. I can put it into folders which can only be accessed whilst on my computer through the file explorer, which isn’t ideal

It would be fantastic if we could add local media assets to TV shows as we can with movies, hence why I am making this feature request.

I will like this one, but there is another feature request with a few more likes. Let’s get them all together:

Early 2021 clean-up: duplicate