Demon Knight Documentary
Here's the documentary on Demon Knight that's included on the Blu-ray for the film. Good to watch if you're a fan of the film.
http://www.mediafire.com/watch/rrevzrp932tbjt5/Tale_From_The_Crypt_002.mkv
A Youtube link you can try:
https://www.youtube.com/watch?v=ivpV6NXCHbM