Mystery at Blind Frog Ranch
To The Center Of The Earth
Season 2 Episode 7
After the crew drills into a dry cavern, they must devise a plan to protect themselves from poisonous gases. But trespassers threaten their progress
Mystery at Blind Frog Ranch airs on Discovery Channel HD at 11:00 PM, Thursday 25 September. (Subtitles, audio description.)
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Documentary