Zak and the guys revisit their investigation of the world-famous comedy club in Los Angeles. Fear and laughter go hand in hand at this iconic paranormal spot.

Zak and the guys recall one of their scariest moments as they look back at their investigation of a Utah mansion soaked in tragedy and bloodshed.

The guys don their Hawaiian shirts and break out the ukulele as they look back at their investigation of a haunted island off the coast of Los Angeles.

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 investigation of a mysterious canyon in New Mexico. They recall how they chased down skinwalkers in the desert.

Zak and the guys look back at the disturbing investigation of a family home in California. They recall the satanic message which was sent through a child's toy.