After years of watching Jack hunt for ghosts from a distance, Sharon Osbourne decides to see what the fuss is about at a century-old inn; when Sharon lands in the crosshairs of a volatile spirit, she grapples with an all-too-real medical emergency.

Jack and his good friend Jenny McCarthy head to the Tinker Swiss Cottage in Rockford, Ill.; recent construction at the museum has upset the ghosts of the Tinker family, leading to aggressive activity.

Jack and Kelly Osbourne get locked into the Nevada State Prison; with its history of violence and mayhem, this abandoned penitentiary torments the siblings, possibly either making them succumb to its dark past, or release them unscathed.

Jason Mewes and Jamie Kennedy join Jack at Illinois' Ashmore Estates for the ultimate crash course in ghost hunting; the former poor farm-turned-psychiatric ward holds many dark secrets, some of which are rumored to still be buried six feet under.

Ozzy and Sharon Osbourne send their kids to haunted Virginia City, Nevada; together, Jack and Kelly tackle Piper's Opera House and the Washoe Club, two paranormal hot spots that may hold the key to understanding this Wild West town's dark energies.