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Episode 6 (3x6)

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Tonight, the helicopter pilot whose flying expertise was tested to the limit when he had to hover for more than 20 minutes dangerously close to a cliff face in order to rescue a climber with a broken neck. Also, the couple who nearly died from something they couldn't see, hear, taste or smell, and the dual race to free a man trapped by a leaking chemical container and stop the toxic liquid inside polluting the environment.