Tears are shed and painful memories brought to light as Zak and the guys revisit their final investigation at the Washoe Club in Virginia City, Nevada.

Zak and the guys recount their visit to Eureka, Utah, where they encountered a bizarre ritual that opened the door to the scariest evidence they have ever recorded.

In an emotional return to one of their most-intense investigations, Zak and the guys look back at Goatman's Bridge, where Jay suffered a heartbreaking personal loss and both Zak and Aaron were affected by a dark, otherworldly presence.

Zak and the guys revisit the Enchanted Forest, an amusement park in rural Oregon where Aaron spent much of his childhood and where they encountered bizarre entities, including the spirit of....Humpty Dumpty?

Zak and the guys review one of their most controversial episodes to date. They teach a hard lesson that not every paranormal report is true, and not every investigation leads to conclusive evidence.

The guys look back at their investigation of Ripley's Believe It or Not.

In a landlocked nautical adventure, Zak and the guys revisit the Titanic Museum in Branson, Missouri, where the precocious spirit of a six-year-old boy runs the halls of this spectacular replica of the iconic ship.

It's anchors away for Zak and his crew as the Screaming Room looks back on their iconic investigation of a haunted ship where the spirits of stowaways still linger. Also Zak engages in some pirate cosplay.

Cowboy hats and good cheer abound as Zak and the guys revisit their iconic return to Tombstone, Arizona. Click your spurs and grab your popcorn because this ghost hunt at the O.K. Corral is one for the history books.

Zak and the guys look back on their visit to a mysterious island in Mexico, where a man driven by grief and guilt assembled an army of Zak's greatest fear — dolls.

Zak and the guys go back to the Boulevard of Broken Dreams to look for celebrity spirits.

It's pedal to the metal as the guys revisit the Grand Canyon Caverns.

Zak and the guys revisit a case that hit a little too close to home when they answered a desperate call for help from Aarons's dad, Don; the crew worries for Don's safety as they confront the dark spirits that lurk inside his Las Vegas home.

Zak and the guys look back at an extremely disturbing investigation of a family home in suburban California; strong demonic activity and a satanic message sent through a child's toy makes this one of the most intense lockdowns for the crew.

Aaron decides to take the guys back to their Wild West adventure in a California mining town; Zak and the crew brave a treacherous cliffside trail to confront the lost souls that haunt this secluded settlement.

The guys don their Hawaiian shirts and break out the ukulele as they look back at their investigation of Catalina Island; Zak and the crew are excited to relive one of their greatest captures to date on this haunted island off the coast of LA.

Zak and the guys revisit their investigation of an abandoned Washington hospital teeming with dark, aggressive energy; the crew must stick together as they navigate the haunted corridors of the run-down building.

Zak and the guys look back on their otherworldly visit to an Arizona ranch where locals claim both aliens and demons have been terrorizing a machine gun-toting local, murdering livestock and NOT abducting a very willing Aaron Goodwin.

Zak and the guys look back at their investigation of a Utah mansion soaked in tragedy and bloodshed; the historic home is charged with so much negative energy that the crew fears it may be a portal to hell.

Zak and the guys give an inside look at what it takes to investigate a demonic home invasion as they revisit a terrifying case in Nevada; moved by a family's pleas for help, the crew works fast to uncover the dark source of their invisible attacker.

Zak and the guys look back at their historic investigation of a mysterious canyon located in the Four Corners region of New Mexico; the crew recalls how they were unknowingly drugged while chasing down skinwalkers in the desert.

Zac and the guys revisit their investigation of the world-famous comedy club; fear and laughter go hand in hand as the crew encounters a paranormal energy unlike any other at the iconic LA hot spot.

Zak and the guys relive the spine-tingling events from their controversial investigation of the infamous Annabelle doll. This allegedly demonic doll's history is so terrifying it inspired a horror movie franchise.

The crew digs deeper into their investigation of the Reseda House of Evil.

Zak and the guys relive their emotionally charged attempt to bring closure to a grieving mother who lost her son to suicide. During the crew's investigation a psychic medium confirms suspicions there may also be a malevolent presence in the home.