Jamie Theakston explores claims that Nazis developed a flying saucer.

Jamie Theakston explores the mystery behind the Holy Grail.

Jamie Theakston sets out to uncover the truth behind the Illuminati.

The crew investigates one of the most haunted places in the country.

The crew investigates the ghostly goings-on in a Massachusetts mansion.

The crew investigates one of the darkest hauntings in West Virginia.

The crew investigates the dark hauntings inside a former funeral parlor.

The crew investigates a now-defunct iron factory in Birmingham, AL.

Zak leads his team to one of the creepiest spots in northern New Jersey.

The crew visits the Edinburgh Vaults, home to playful ghost children.

The crew confronts the evil left behind in an abandoned Idaho prison.

Zak, Nick and Aaron investigate a succubus at a Massachusetts inn.

Zak, Nick and Aaron travel to Salem, MA, to conduct a two-part lockdown.

The crew visits Jerome Grand Hotel to mollify the community's angry ghosts.

The crew revisits the past to reveal the events at an abandoned hospital.

Zak, Nick and Aaron explore Sacramento's tunnels, courthouse and theater.