Thread revival.
Of all the reality shows,
Ghost Hunters is one of our favorites, along with
Pawn Stars. I did not realize this has been on for 11 years (2004). In the realm of reality television, I will not watch supernatural shows that include reenactments. That's just too fake.
We watched GH last night (Wed). They observe and what is presented seems reasonable. They claim they will help property owners discover who is haunting their place (sometimes they seem to, if you buy what is being presented). The best locations are the abandoned prisons, insane asylums, sanitoriums, old hotels and theaters.
However where they come woefully short is that this is entertainment, not a serious investigation or they would spend several days at a location. And their answer for the property owner who feared a malevolent entity reported to scratch and bother her kids, was to suggest they gather in a group and tell the spirit to get out. Maybe that would work, but maybe they need an exorcist.

We did a ghost walk several years ago and their advice was when getting into your car to leave, tell any hitch hiking spirits to get out, they are not allowed to come home with you.
