Responding to recent UFO sightings, Josh Gates sends his team to New Mexico for a new investigation into the infamous, unsolved Socorro Landing Incident; using never-before-used technology and with new witnesses, Jess and Phil look to solve Socorro.

Chasing Bigfoot's origin story, Phil and Jessica uncover a rash of recent sightings and bone-chilling new evidence in the Pacific Northwest. New leads about a frightening encounter send them into rocky, dangerous terrain along Mount St. Helens.