3.4 0Add to favorites 0Add to Watchlist 0Add as SeenMountain Devil(Jan. 17, 2017) Jan. 17, 2017 3.4 Mountain Devil IMDb: 3.4 2017 80 min 403 views Based on the true events that occurred in the Appalachian Mountains, Mountain Devil recounts the frightening events of the night Frank Peterson ... DocumentaryHorror