6 集
第 1 集。Go Big or Go Home
第 1 集。Go Big or Go Home
A rookie caver leads an expedition into the depths of a Tennessee cave. Three hopefuls compete for a high-flying position with the Sonoma-Marin Tree Men, and a novice flyer travels to South Africa to take a rigorous bush pilot course.
第 2 集。Dive On In
第 2 集。Dive On In
A rookie tree climber jeopardizes his team when he ignores advice about scaling a redwood. Commercial divers attempt an underwater welding job to repair a submarine, and an amateur pilot gets his first taste of canyon flying.
第 3 集。Smoked
第 3 集。Smoked
A diver's breathing spirals out of control while welding a patch on a sunken submarine, and three lessons into his bush pilot training, a flyer ends up in the hospital.
第 4 集。The Windowmaker
第 4 集。The Windowmaker
A rookie diver struggles underwater while rigging a sunken yacht. A heavy haul trucker attempts to transport a 105-ton crane through a hurricane, and a novice tree man drops a large, dead eucalyptus tree nicknamed the Widowmaker.
第 5 集。In Too Deep
第 5 集。In Too Deep
A rookie tree man freezes in fear halfway up a redwood, and an aspiring volcanologist attempts to scale an active volcano and assist in thermal mapping the crater's eruptions.
第 6 集。One Last Shot
第 6 集。One Last Shot
A volcanologist continues her first expedition on an active volcano. Rookie tree men face off in their most difficult challenge yet, and a greenhorn wind tech attempts to scale a 120-foot wind turbine.
