Naked and Afraid (2013)

S11E13 Ring of Fire

Amidst the icy peaks of Bulgaria, a skilled survivalist battles to complete a daunting 21-day challenge while being stalked by hungry wolves. To protect himself from the relentless cold and lurking predators, he relies on roaring campfires. However, as the flames grow wild, they transform from a source of safety into a perilous threat, endangering his mission and survival.