Bagans and the crew dig deep into the mystery of the famed Poltergeist House, launching an unprecedented investigation inside the site of the classic horror film location to uncover the truth behind a rumored curse. Did real-life events converge with Poltergeist's fictional storyline to unlock a lethal, ancient darkness? After the team's lockdown leaves them with more questions than answers, Bagans believes a terrifying relic from the 1982 film could provide insight into the sinister energy that haunts the suburban California home.

One the 100th anniversary of Harry Houdini's midnight visit to the fabled Winchester Mystery House, Zak and a team of paranormal experts attempt to summon the legendary magician's spirit. Will escaping death's grip be Houdini's greatest trick?

Zak and the crew return to the Glen Tavern Inn in Santa Paula, Calif., to help its staff find closure after the loss of a local medium; Korn singer Jonathan Davis assists as the team digs deeper into the dark mysteries of the former gambling house.

Zak investigates a former girl's school in Hollywood, Calif., after a gardener discovers bones in a shallow grave; could the remains be connected to sightings of a ghostly girl? Or is something more malevolent at play.

Zak and the crew find themselves in an eerie Nevada desert town to investigate a recently shuttered casino haunted by the spirit of a notorious bootlegger. The air is thick with tension as the team and comedian Matt Rife confront the dark energy that lurks around every corner of the abandoned building.

Zak and the crew gain unprecedented access to the cursed Rispin Mansion in Capitola, California. Sealed shut after a violent paranormal event in 2012, the abandoned home has become a vault of concentrated evil, waiting for an opportunity to explode.

Unsettling paranormal events near an exhibit of serial killer Samuel Little prompt Zak to investigate his own Las Vegas museum; are the events connected to Little's recently acquired remains, and could the lockdown reveal clues to his murders?