Dario Argento Presents Demons2 1986 vid Video-Man

A documentary is shown on TV of group of teens who investigate the legendary
forbidden zone, in which once took place a Demon infestation (see Demoni I).
When finding a lifeless corps of a demon, one of the teens causes the
resurrection it, and the demon makes it's way into the nearby world by
TV-broadcast... An unlucky girl, having her birthday-party at that time, gets
posessed by the demon while watching the documentary and soon the complete
building in which she lives turns into a living nightmare.