Movie extras length

I love the automatic extras that show up but they seem really short like snippets of interviews. Is there any way to get the entire interviews?

The automatic extras are usually quite short.
There are some exceptions where longer videos exist as extras.

Keep in mind that those in-depth ‘Making Ofs’ are usually part of DVD or BluRay releases. It is in the interest of the film studios not to give those away in full length online.

If you want full extras in Plex, you’ll have to rip them from the discs yourself, in most cases. Sometimes you can get them from ‘other sources’.

I am having a hard time getting my extras to work correctly. Could you give me an example of an actual file name to make it work? Mine shows up as 2 separate movies. Thanks in advance

There are lots of examples in the link OttoKerner provided above.

If you are following those examples let us know how you have them named/organized so we can tell you what might be wrong

Im just not quite sure how to name the Extra. Here are the name I have tried. The original movie file name is
King Kong (2005).mp4
D:\King Kong (2005)\King Kong (2005)-Extra_Trailer.mp4

it needs to be a hyphen, not an underscore

\King Kong (2005)\King Kong (2005)-trailer.mp4

the ending -trailer part will determine its type. The types available to be used are in the article.

the part before the hyphen will be what it is named.

Thank you very much. I was misunderstanding the wording in the article.