A&E's long-running Ancient Mysteries series turns its attention to Bigfoot, tracing the legend from Native American oral traditions through the 1958 California logging-camp footprint casts that gave the creature its modern name. Narration and interviews with researchers, anthropologists, and eyewitnesses lay out the case for and against a real undiscovered primate roaming the Pacific Northwest, weighing plaster casts, blurry photographs, and the famous Patterson-Gimlin film against hoax confessions and skeptical analysis from scientists who study the physical evidence. The film also looks at parallel legends worldwide, from the Himalayan Yeti to Australia's Yowie, asking whether a single unclassified species could explain sightings on multiple continents. Archival footage, expert commentary, and reenactments move the story along at a brisk clip typical of the series, presenting the mystery without fully resolving it. It plays as a survey of the evidence and the arguments rather than an advocacy piece for either side, letting believers and doubters both make their case on camera.