For more than 2 centuries, a ranch in Utah has been associated with strange and disturbing occurrences that defy physical reality.

Peril strikes during a daring investigation as the team embarks on their quest to understand what may lie beneath Skinwalker Ranch.

A life-threatening incident forces the team to re-assess their methods of investigation, and disturbing new evidence at homestead one has Tom and Travis on edge.

It's an historic moment when the entire team witnesses, and documents, two UFO sightings directly over Skinwalker Ranch.

When advanced testing shows evidence of strange anomalies under the ranch, Brandon finally gives the team permission to dig.

The ranch reacts in dangerous ways when the team begins to dig.

When a cow suddenly and mysteriously dies on the ranch, surveillance footage poses another worldly explanation.

In a dramatic season finale, the team learns their research is of great interest to the intelligence community.