Season 4

Steve and Amy investigate a family in Southern New Jersey who believes their house is haunted by an evil entity. Through research, Steve says he discovers evidence that in the late 1800s, a nearby "health spa" that was really a sanatorium was run by an allegedly insane doctor named Dr. Smith who believed he found the fountain of youth. Steve also learns about a German immigrant, Louis Roesch who came to town in the 1860s and was betrayed by his people because there was no civilization here. Meanwhile, Amy says she encounters a monstrous shadowman in the basement who attempts to harm the living including herself. Also Amy claims to come into contact with the previous owner, Louis Brunk who died in the home and the two of the six children of the Roesch family.

Steve and Amy investigate a family who say they are getting sick in their family home and uncover what they feel is attacking their daughter with special needs. During the investigation, Steve uncovers past evidence of a fatal train disaster in 1907 caused by a flagman that occurred on the property which was the Rudd farm. The property history allegedly includes two men who threw dynamite inside a Black Methodist Church along with 4 men from the KKK who burned down the school next to it. Meanwhile, Amy says she confronts a beastly, dog-like apparition that she fears can kill anyone who gets in its way and an old man who was beating an 8-year-old boy named Elmer who once lived here.

Amy and Steve share updates on their follow-up investigations when they revisit a dentist's office in rural Indiana that scared away patients and the staff. Next, they revisit a family home where a couple believes there is something demonic in their basement.

Amy confronts the powerful spirit of a religious woman at a family home in Wabash, IN, while Steve uncovers evidence that his client's property lies on Native American land with a violent past.

As Steve uncovers past secrets of a mobster that killed and buried his victims on the clients’ Illinois property, Amy encounters a powerful cluster of vicious entities with a murderous leader.

Amy and Steve revisit a West Virginia house where a mother and her eight children say they are being terrorized by hauntings in their home. Next, they return to a home in Wichita where a couple claim to be victimized by evil entities in their place of business at their beauty salon and auto body shop.

Steve and Amy head to Watervliet, MI, where frightening paranormal activity has transformed a family's dream home into a nightmare.

Steve and Amy head to Virginia to investigate reports of paranormal activity. While Steve discovers the home was a former slave plantation, Amy confronts several spirits, including an entity she believes is planning to destroy the home.

Steve and Amy travel to California's Death Valley to investigate claims that frightening spirits have overrun a local hotel.

Steve and Amy head to Buffalo, WY, to investigate claims that the guests and employees of a historic hotel are being tormented by frightening paranormal activity.

Steve and Amy investigate a hotel owner's suspicious claims of terrifying paranormal activity in Clovis, CA. As Steve uncovers evidence that the property was once a mental hospital, Amy encounters numerous vicious entities.

Amy and Steve revisit a home where a child-like demonic entity is said to change into an elemental that can possess the living. Next, they return to a Fine Arts Center that is inhabited by the ghosts of a gentleman farmer, a Confederate soldier and two Doctors, one that died in a freak snow storm and the other that slit his throat in the bath tub.

Steve and Amy investigate reports of abusive paranormal activity at a family home in Fort Wayne, IN. While Steve discovers a ruthless murder, Amy encounters an entity that she believes is torturing the living.

Steve and Amy investigate a mother's claims of dangerous paranormal activity at her home in Flint, MI. As Steve finds out that the property was a bloody battleground during the War of 1812, Amy encounters numerous frightening entities.

Steve and Amy investigate a shocking case of dangerous paranormal activity at the historic Riverside Inn in Cambridge Springs, PA. While Steve uncovers a deadly secret, Amy discovers the spirit of a woman who can control the living.

Steve and Amy investigate terrifying paranormal activity at a minister's home in Manchester, CT. While Steve unearths the property's history of violence, Amy confronts a menacing dark mass that targets the living.

Amy and Steve revisit a home that is haunted by an axeman and an entity he controls called "The Doll", as well as numerous other entities believed to have previously lived on the land when it was a Poor Farm. The mother of the current family initially called The Dead Files team because her disabled son was being harassed by paranormal activity. Next, Amy and Steve return to what is apparently Seattle's oldest restaurant. A former saloon and brothel, one of the entities believed to be residing there is bar manager and former wrestler Otto Hink. The original building was a hotel that burned down during the Great Seattle Fire.

Steve and Amy disclose new information about prior cases of terrifying paranormal activity at a family home in Egg Harbor, NJ, and a restaurant in Carmel, NY.

Steve and Amy unveil new information about prior investigations of terrifying paranormal activity at homes in Rock Island, IL, and Key West, FL.