Bigfoot sightings, poltergeist hauntings, UFO abduction claims: each episode of this series picks one persistent mystery and puts it through scientific scrutiny. Investigators review eyewitness testimony, examine physical evidence like footprints, photographs, or recordings, and bring in specialists ranging from biologists to psychologists to weigh in on what could explain the phenomenon. Reenactments walk through the original reported incidents, while lab tests and field experiments try to reproduce or debunk the physical evidence behind the claims. Skeptics and believers both get airtime, and the show does not always land on a tidy verdict, sometimes leaving the case as unresolved as it found it. The format stays consistent across episodes: introduce the legend, gather the witnesses and the artifacts, run them through whatever science can bring to bear, and let the audience judge how much of the mystery survives the process. It works as a primer on how paranormal claims actually get investigated, not just retold.