Sorry, you may need some redirection. You are in the "Something Interesting" thread. You seem to be looking for the "Demons in Everything" threads, and those threads usually hang out in the Bible Discussions and Conspiracy forums. That's down the hall, third door on the right (just after the snack machines) and fifth door on the left (right before the restrooms) respectively.
I am a pentecostal minister and I can attest there are no demons in original Star Trek, Next Generation or Voyager. Deep Space 9 got a bit out there with Bajoran mysticism and wormhole aliens, but everybody knows that was a direct rip-off of Babylon 5 anyway.