The geologists Sylvia Horn, Jan van Dongen, Tom Halley and Dr. Heinz Ullrich are looking for niobium, tungsten and uranium in South Africa. Their opponent is the criminal Don Connors, who is also after the raw materials.
Episode 1
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Episode 2
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Episode 3
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Episode 4
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Episode 5
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Episode 6
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Episode 7
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Episode 8
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Episode 9
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Episode 10
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Episode 11
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Episode 12
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Episode 13
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