Season 4 (2013)
Release date: 2013-08-02
Episodes (5):
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1. Pakistan
Release date: 2013-08-02
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2. Antarctica
Release date: 2013-08-09
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3. Thailand
Release date: 2013-08-16
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4. Central America
Release date: 2013-08-23
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5. Ukraine
Release date: 2013-10-20
