Sarah's inaugural expedition takes her deep into the fiery core of an active volcano, braving the unforgiving environment and unpredictable dangers that lurk within.
Aired: Jan 29, 2016A novice caver takes on a perilous Tennessee cave, while three aspiring tree ...
Aired: Feb 5, 2016A novice tree climber's hasty decisions put his team at risk as he disregards...
Aired: Feb 12, 2016Erik risks his life on a treacherous underwater salvage operation to recover ...
Aired: Feb 19, 2016A novice diver takes on a daunting task, aiming to construct a complex underw...
Aired: Mar 11, 2016Three individuals push beyond their limits to achieve their goals, as a novic...
Aired: Mar 18, 2016Sarah's inaugural expedition takes her deep into the fiery core of an active ...
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Network: Discovery
Production Country: United States
Genres:Reality-TV
