One of the first paranormal TV shows was "Sightings," which started in 1991 and ran for six years. "Unsolved Mysteries, Unexplained Mysteries, and Mysterious World" then followed suit, all which explored the Fortean phenomena.

In 2000, LivingTV launched the series, "Most Wanted," a popular paranormal investigation show today. Recently, the genre expanded on the Internet, covering aliens and UFOs, parapsychology, ghosts and haunting and all unexplained phenomena.

Below is a list of the top 5 true-to-life paranormal documentaries for Halloween 2013:

1. The Haunted Boy: The Secret Diary Of "The Exorcist"

While in a haunted asylum filming in St. Louis, Missouri, documentary filmmakers uncover a secret diary of the 1949 exorcism of a 13-year-old boy who was possessed by the devil and inspired the novel and film, "The Exorcist." Using high-tech paranormal gadgets and a legion of supernatural experts, they seek to capture the most terrifying entity on earth, "The Unholy Ghost." It draws you closer to the ungodly truth of what really happened. This is the untold, real story of "The Exorcist," a chronicle of true events about an actual priest's secret diary that the world should not see. A team of paranormal experts tread the very steps of the boy who was tormented by the devil and demons before given the rite of Catholic exorcism. See the videos below:

Source: YouTube.com/SPOOKEDTV

Source: YouTube.com/SPOOKEDTV

2. The Possessed

The 18th century was plagued by the belief of possession by evil spirits. Hysteria and madness spread as the mentally ill was classified as under the control of the devil banished from society. Some called them angels. Some called them devils. Based on a true story, "The Possessed" is a creepy journal of a 13-year-old from a small town in Illinois, who was possessed by spirits of the crazy dead.

3. A Haunting - Seasons 1-4

A Haunting, as seen on the Discovery Channel, explores the most mysterious and baffling true cases of visitations and haunting, stories of poltergeists and demon possessions. Supernatural tales are complete with re-enactments and interviews with the victims about their eerie and inexplicable paranormal encounters. You will see the darker regions of the unsettling and unseen world of spirits, phantoms and poltergeists and might even believe that the world is indeed scary and sinister.

4. Paranormal State

Paranormal State is about a group of students investigating paranormal activities. They sanctioned Paranormal Research Society and worked on ghostly cases as Ryan Buell claimed that a demonic entity is following him.

5. Children Of the Grave

This is a highly anticipated sequel to the "226 documentary Spooked: The Ghosts of Waverly Hills Sanatorium." It delivers non-stop chills about the haunted magical mind's eye. See the video below:

Source: YouTube.com/SPOOKEDTV