Zak, Nick, and Aaron investigate an old jail in Charleston, South Carolina. During its 137 years in operation, the Old Charleston Jail held within its stone walls some of the city's most notorious convicts. Some have been vindicated by history; others are remembered as monsters. For a few, their guilt or innocence remains a mystery.

The guys explore an unsolved murder at the Peabody Mansion in Denver.

Zak, Nick and Aaron engage in a two-part lockdown in the town of Bisbee.

Zak, Nick and Aaron delve deep into the dingy Shanghai Tunnels in Portland.

Zak, Nick and Aaron return to Nevada City to investigate a hotel and caves.

Zak Aaron and Nick return to the Linda Vista Hospital to conduct a dangerous experiment they have not tried before to try to communicate with the apparition Nick saw last time. Featuring Chad Lindberg.

Zak, Nick & Aaron explore the Riviera Hotel with a few special guest stars.

Zak, Nick and Aaron head to the Great Lakes to explore the demonic activity overrunning the Palmer House Hotel. The investigation gets personal when a dark spirit beckons Zak and Aaron, speaking their full names.

Zak, Nick & Aaron head to Zak's hometown of Chicago, IL, for a two-location lockdown of the Excalibur Nightclub and Bachelor's Grove Cemetery. The guys are taken aback when an unseen force pushes Zak down the stairs in the club.

Zak, Nick and Aaron voyage to Greenfield, Indiana in search of the source of a dark power, which has overrun the Black Moon Manor. As the temperature suddenly drops to 66.6 degrees, the guys are startled to hear a demonic voice.

Zak, Nick and Aaron travel to the Tor House, former home to American poet, Robinson Jeffers, who predicted he would talk to the living 50 years after his death. The guys watch in awe as they glimpse a misty figure by the tower.

Zak, Nick and Aaron head to the infamous Brookdale Lodge in CA in search of notorious spirits lingering around the building. With the help of Zak's dog, Gracie, the guys hope to contact the spirit of a diseased little girl.