Sezon 1
Bölümler
1 Divided island: How Haiti and the DR became two worlds 17 Eki 2017 
2 It's time to draw borders on the Arctic Ocean 24 Eki 2017 
3 Inside North Korea's bubble in Japan 31 Eki 2017 
4 How the US outsourced border security to Mexico 21 Kas 2017 
5 Building a border at 4,600 meters 28 Kas 2017 
6 Europe’s most fortified border is in Africa 5 Ara 2017