Paranormal investigators are called by the Morgan City, La., police department to the site of a shapeshifting mist near the town's lake.

The team arrives at a home where an eerie ghost girl has been befriending children for generations and they discover a darker entity lurking in the home.

The team investigates a limbless phantom at a historic plantation in the city of Patterson, La., where they will soon face more spirits than they bargained for.

The team travels to the Atchafalaya Basin where a trapper reported seeing two men vanish; a "Naked and Afraid" contestant reveals evidence of a pirate's spirit.

The team try to contact the ghost of a solider at a plantation in Franklin, La., and discover it was seized by Union forces before the Battle of Irish Bend.

The team investigate poltergeist activity connected to a gruesome murder in Berwick, La., and they link a baby doll from the crime scene to paranormal activity.

After an alarm is tripped at Morgan City's archives building, the team uncovers the shocking history behind the location of their headquarters.

After construction workers discover mysterious skeletal remains lying under the street, the team launches an investigation of downtown Morgan City.

The crew heads to Virginia City, Nev., as the team investigates two different properties that were once owned by a mining tycoon John Mackay.

The paranormal investigation team visits Denton, Texas, to explore Goatman's Bridge, where they gain knowledge of evil worship underneath the bridge.

The crew travels to Utah to visit the St. Anne's retreat which has stories of dead nuns, hellhounds, and was also in the news for a 1997 hostage situation.

The crew visits Butte, Mo., to investigate rumors of aggressive spirits at the Dumas Brothel, which was once America's longest running bordello.

Zak and the crew struggle to keep their wits when inside a home located in Reseda, Calif., which is known for causing people to turn into drug addicts.

The team is in Idaho Springs, Colo., as they go deep into the Phoenix Gold Mine; Zak learns about a dreadful murder that has been haunting the mine ever since.

The crew learns about evil worship in the De Soto Hotel's basement and delves into serial killer Richard Ramirez's relation to Concordia Cemetery.

The crew travels to Dillon, Mont., to visit Hotel Metlen as Zak learns of odd activity on the third floor that has lead it to be blocked off to the public.

Zak tries to communicate with the spirit of a young girl at a cemetery where children are buried; Jay spots a light anomaly traveling to different rooms.

During the crew's investigation of the San Haven Sanatorium, the team comes across several disturbing energies and they also catch a terrifying EVP.