A poltergeist haunts Kristine McKee's new home and gets physical with her son; a friend's past life comes back to haunt Danielle Low with potentially life-threatening results; a paranormal entity attacks a woman, leaving her black and blue.

A nurse aide discovers that her care facility contains a horrific creature that threatens her elderly patients; encounters in the hospital halls with a nefarious crone compels a teenager to hold vigil by her dying grandmother's bedside.

An officer fights his way out of a home that's been taken over by ghost children and a red-eyed demon; a firefighter experiences ghostly encounters at an amusement park twice, both under a full moon.

A poltergeist haunts Kristine McKee's new home and gets physical with her son; a friend's past life comes back to haunt Danielle Low with potentially life-threatening results; a paranormal entity attacks a woman, leaving her black and blue.

A nurse aide discovers that her care facility contains a horrific creature that threatens her elderly patients; encounters in the hospital halls with a nefarious crone compels a teenager to hold vigil by her dying grandmother's bedside.

An officer investigates a mysterious disturbance at a family gathering; a dark presence hitches a ride in a police car after a shooting; a paramedic overhears a ghostly argument.

A paramedic is spooked by a ghostly wind inside a closet; two kindly spirits help a firefighter locate a missing car crash victim on Christmas Eve; a bomb threat leads to a series of chilling events in a mall.

A prison guard witnesses a terrifying encounter between an inmate and her dead brother; a paramedic is greeted by the ghost of an elderly patient's husband; a state trooper comes face to face with a remorseful spirit.

A paramedic witnesses the demonic possession of a young girl; a police officer encounters shadow people while investigating an attempted robbery; an EMT is horrified when a ghost hitches a ride in her ambulance.

A security guard is in a decommissioned hospital where doors slam on their own and a nun speaks to him from beyond the grave; a series of haunting events unfold when a firefighter unknowingly summons a spirit with a Ouija board.

Stepping into a home with an evil past, where spirits put a father in the hospital.

A couple's secret phrase plays a role in uniting them from beyond the grave.

Brandi's family witnesses a series of inexplicable occurrences that persisted long after her father's passing; suggesting that although he was no longer physically present, the echoes of his spirit reverberated in their home.

Embark on an emotional paranormal journey with "Ghost Hunters" alums Brandon Alvis and Mustafa Gatollari; they help regular people get in touch with departed family, find lost connections and uncover haunting revelations about their ancestry.

Angelique, an Espiritismo practitioner, discovers that a deep bond with her aunt extends from beyond the grave, possibly connecting her with the terrifying premonitions of death she receives of those closest to her.

Mandy is someone who has been visited by her departed loved ones since childhood; she feels compelled to explore paranormal research and goes on to discover she possesses a level of mediumship abilities.

The ghosts of fallen soldiers return.

When a man moves down the street from where his father is buried, his dad reaches out; a woman's dead grandfather comes back to make sure she doesn't forget him.

Children see and play with ghosts.

Sharon and Greg unleash ghostly forces while experimenting with the paranormal.

Ghosts of people who died in a hospital.

Paalini and Kim's mothers protect them.

Dan and Susan become targets of ghosts when grave sites are disturbed.

Haunted historical institutions.

Team leader Ryan Buell of the Paranormal Research Society investigates after a mother calls, who is worried about her son.

Ryan and the PRS investigate the haunting of a woman and her dog in Waterboro, Maine.

A winged "creature" with sharp teeth attacks a woman and her daughter; a local shaman warns the PRS that there is a shape-shifting spirit on the loose.

Ryan and the crew head to Allentown, Pa., to investigate a 19th-century home and barn belonging to a young woman and her mother.