Expedition Bigfoot

Russell searches a rugged hillside full of caves in Northern California's forests; Bryce speaks with a witness who hears frightening grunts; Mireya and Tobe Johnson expand their search area to determine if Bigfoot is mimicking animal sounds.

Russell discovers new sights and sounds deep in the backcountry of Northern California; Bryce talks with a witness who had an experience with a family of Bigfoot; Mireya reaches new heights in search of physical evidence of the elusive creature.