Three strangers enter a cave-mine in total darkness, deep underground in a remote part of Virginia, where they must contend with giant underground waterfalls. Jakso 6 Kausi 1 Vuosi 2017

To escape a cave-mine hybrid system burrowed deep into a mountainside, three strangers must descend a mile in total darkness - and not all of them will make it. Jakso 5 Kausi 1 Vuosi 2017

Three men attempt to survive six days in complete darkness, as they fight to escape a treacherous cave buried deep under the Ozark Mountains. Jakso 3 Kausi 1 Vuosi 2017

Three strangers battle isolation, hallucination, and starvation as they struggle to escape an abandoned Cold War fallout shelter 240-feet below ground. Jakso 2 Kausi 1 Vuosi 2017

Three strangers enter an abandoned silver mine in the Mojave desert in total darkness. Will they find one another and a way out of the 150 miles of tunnel? Jakso 1 Kausi 1 Vuosi 2017

Three strangers enter a cave-mine in total darkness, deep underground in a remote part of Virginia, where they must contend with giant underground waterfalls. Jakso 6 Kausi 1 Vuosi 2017

To escape a cave-mine hybrid system burrowed deep into a mountainside, three strangers must descend a mile in total darkness - and not all of them will make it. Jakso 5 Kausi 1 Vuosi 2017

Three men attempt to survive six days in complete darkness, as they fight to escape a treacherous cave buried deep under the Ozark Mountains. Jakso 3 Kausi 1 Vuosi 2017

Three strangers battle isolation, hallucination, and starvation as they struggle to escape an abandoned Cold War fallout shelter 240-feet below ground. Jakso 2 Kausi 1 Vuosi 2017

Three strangers enter an abandoned silver mine in the Mojave desert in total darkness. Will they find one another and a way out of the 150 miles of tunnel? Jakso 1 Kausi 1 Vuosi 2017