In Fresno, the appearance of two creatures on a homeowner's CCTV screen has left him shaken and mystified. The team investigates the possibilities and what seems like a classic hoax only gets more puzzling. While in Lake Havasu, a vacationer's video camera catches a flying saucer floating above the lake and the attention of thousands on the Internet. Ben and the team perform a series of experiments in an attempt to explain the phenomenon.

A mysterious video shows a large predator racing across the harsh terrain of Dartmoor in the United Kingdom. Local legend suggests that it is either a giant cat or the hounds of the devil. Local landowners just want to know that something is killing their livestock. The investigation ends with a shocking discovery. While in El Cajon, California, the UFO community is in an uproar over a series of sightings involving a large triangular craft. The team meets with eyewitnesses before heading out to the dessert to explain the unexplained.