DOCUMENTARY Bigfoot: The Definitive Guide Discovery, 8 p.m. ET; 9 p.m. PT Is Bigfoot real? Ever since blurry footage of an apelike creature scampering in the woods of Northern California surfaced in 1967, the scientific community has debated the creature's existence. To this day, sightings are reported every day in locations ranging from the jungles of Brazil to the densest regions of the Australian bush. This documentary features a team of top scientists analyzing more than 10,000 sightings throughout the world. Their collective expertise enables them to dismiss roughly 90 per cent of the reports, but their findings pinpoint several hot spots that indicate something is out there.