In the season premiere, the investigative trio climb aboard the legendary ocean liner Queen Mary, now permanently docked in Long Beach, California, and considered to be one of the most haunted places in the world. Not long after the ship's maiden voyage in 1936, it was put into military service. Tragedy surrounded the ship - nicknamed the "Gray Ghost" - until 1967 when it dropped anchor for good and became a hotel, still in operation today. With reports of multiple apparitions and voices - including that of a former crewman and little girl - the trio prepares for a powerful investigation.

Zak, Nick and Aaron investigate the Lemp Mansion and Brewery in St. Louis, Missouri. After years of tragedy and suicide, this great American landmark is now known as the country's top 10 most haunted locations.

Zak, Nick and Aaron head to Oklahoma City, Oklahoma, to investigate a home terrorized by an ancient, demonic force. The Zozo Demon is known for attacking and possessing its victims through a spirit board.

Near the dark and creepy canals of Xochimilco, Mexico sits what might be the world's strangest and scariest tourist attraction: the Island of the Dolls, also home to a sinister and haunted mystery.

Zak, Aaron, Bill and Jay travel to the Sallie House, claimed to be one of the most haunted houses in the Midwest, to investigate the claims of demonic attacks after the experiences of the Pickman family in 1992.

Ghost Adventures travels to Duluth, MN, where they become the first paranormal team to investigate the Nopeming Sanatorium, where thousands of lives were lost to tuberculosis.

Ghost Adventures crew spend the night in the ghost town of Goldfield, Arizona, which was the original Apache Junction. Zak tests new gas-detecting equipment in the mines, and Jay Wasley is utterly startled when he sees a man in a trench coat roaming through the town. The team also ventures into the cursed lands of the Superstition Mountain in order to find out any details related to the hectic mining for the Lost Dutchman's Gold Mine and its connections to Apache Junction.

The Ghost Adventures Crew returns to where the Old West never died, Tombstone, Arizona, to investigate Big Nose Kate's Saloon, a place tormented by a spirit known only as the Swamper. But the guys also stop by and reinvestigate the Bird Cage Theatre and pay their respects to Leroy Colomy, a close friend who was tragically shot and killed only a short distance from the doorsteps of the theatre.

The Ghost Adventures Crew travels to a quiet suburb just outside of Seattle to investigate the residence of Keith Linder, who claims a demonic force is wreaking havoc throughout the tranquil, contemporary home. Linder has spent the past year documenting what appears to be extreme poltergeist activity, including mysterious demonic inscriptions written on his walls and a fire spontaneously igniting in the home. With activity of this level, Bagans and the team investigate to determine if Keith's antagonistic spirit is one of the most powerful dark forces they have yet to encounter.

Ghost Adventures heads to Texas to investigate a horror hotel, haunted by a spirit of a little girl. Before the lockdown, the guys take a detour to verify reports of a spirit pushing parked cars onto train tracks.

Zak and the crew conclude their investigation of the Graveyard of the Pacific with a visit to Washington State, where they explore a lighthouse that bore witness to some of the most tragic shipwrecks on the Pacific Coast.

The crew investigates the dark history of the Nevada Northern Railway.

The crew investigates a dark wave of energy at a historic New Mexico hotel.

The crew investigates a former brothel inhabited by a vicious entity.

Zak and the crew stir up spirits at an iconic comedy club in LA.

Zak Bagans and the crew respond to a paranormal crisis in Las Vegas. Under constant attack, a grieving widow fears she has been possessed by a dark entity. The investigation takes a shocking turn when her frightened daughter reveals a deadly hex may have been placed upon them.

Zak Bagans and the crew investigate rampant paranormal activity at a once blissful communal compound outside of Las Vegas, known as Ranch Island. When Bagans is overcome by a dark energy, the team fears he may be in danger from a spirit trapped on the property.

The crew returns to Vulture City, Arizona, to investigate after attendees of a paranormal conference were negatively affected by a dark energy in the once booming mining town. Zak Bagans learns that active mining on the site may have unleashed an ancient evil.

Zak Bagans and the crew check into the desert motel where country-rock pioneer Gram Parsons died in 1973. With help from special guest investigator, singer and social media personality Loren Gray, the team is in for an especially emotional and terrifying night as they investigate the intelligent and sometimes malicious paranormal energy that permeates the property.

Zak Bagans and the crew investigate a Utah home owned by a descendent of the prominent Jessop polygamist family. Tenants fear evil has taken up residence in the basement, putting the guys in serious danger.

Zak Bagans and the crew travel to Utah to investigate a 150-year-old grist mill haunted by shadow figures, poltergeist activity and an angry male presence. The guys are overwhelmed by the property’s dark energy as they attempt to contact a dead girl named Alice.

Zak Bagans and the crew board a steam ferry from the 1800s to investigate escalating paranormal activity. The staff fears something dark has awakened on the historical vessel after lying dormant for months during the COVID-19 pandemic.

Zak and the crew rush to help a Nevada family who claim paranormal activity sent one parent to the hospital, and fear their young daughter is next; the team works to uncover the dark source of the psychological attacks hiding inside the home.

Zak and the crew head to an Arizona mining town to investigate a former school where horrendous child abuse took place; the team unlocks the dark secrets that lay entombed in the walls of the building.

The crew go far off the beaten path in Arizona to investigate an abandoned sanatorium. Dozens of deaths, including the murder of a child, have left a heavy residue of pain and suffering on the building, making it a hotbed for aggressive poltergeist activity.