Cut scenes that help to show the story can be extremely gory and graphic. The blood will either be shown in black and white but can also be very bright, obvious, and unsettling.
There are some minor scratches on some of their bodies.
Graphic stories behind the hauntings, all real.
Some of the more evil spirits torment, scare or hurt the crew members. Some of the nasty spirits sometimes want to kill Zak or want to possess Nick and Aaron.
Some vomiting due to psychological assaults from spirits and demons, usually off-screen.
In one episode Zak Bagans warns that he will show an extremely graphic image of a woman who was beheaded in a closet. The picture explicitly shows a woman beheaded (very gory).
There are sometimes acted and re-enacted moments (clips) of real events, which are almost always dark and bloody.