The team travels to Chacachacare Island in Trinidad to investigate a former leper colony. They then journey to Gualeguaychu, Argentina to explore the Frigorifico Meat Packing Plant, where the apparitions of four murdered workers are still seen throughout the halls.
The GHI team travels to Ireland to investigate Roe Valley Hospital, where the spirit of a long dead doctor is still said to be seen. Then, the team ferries onto Spike Island prison to seek out the infamous Banshee on Ireland's Alcatraz.
The GHI team travels to the Isle of Man to investigate Castle Rushen where an apparition of a little girl has been seen. The team then heads off to the earthquake stricken city of Christchurch, New Zealand to investigate a haunting at the Riccarton Racecourse Hotel, incited by an unsolved murder mystery.
The team opens the season in Peru for an investigation of the ChavÃn Ruins, tunnels that once served as an aqueduct system for the ancient civilization. But interpretations of heiroglyphics tell a darker side of the plaza's history.
The team travels to American Samoa to investigate an abandoned all girls' school. It is believed that the spirit of a Samoan Chief resides on this property and in the past, possessed and killed schoolgirls.
GHI travels to the Fortress of Antwerp, Belgium to investigate a personal call for help. A woman believes her great-grandfather was buried alive during a massive WWI German bombardment. His spirit may still be guarding the Fortress.
GHI travels to Winnipeg, Canada to answer a call for help at Lower Fort Garry. The Parks Canada staff is being tormented by paranormal activity that may be caused from gruesome deaths that took place on the property. Next the team heads to Hell's Gate, in Boston Bar, Canada where employees are so concerned about ghostly sightings and activity, they are questioning if they can open to the public in the spring.