Divided island: How Haiti and the DR became two worlds
Episode: 1x01 | Airdate: Oct 17, 2017
Season 1
It's time to draw borders on the Arctic Ocean
Episode: 1x02 | Airdate: Oct 24, 2017
Inside North Korea's bubble in Japan
Episode: 1x03 | Airdate: Oct 31, 2017
How the US outsourced border security to Mexico
Episode: 1x04 | Airdate: Nov 21, 2017
Building a border at 4,600 meters
Episode: 1x05 | Airdate: Nov 28, 2017
Europe's most fortified border is in Africa
Episode: 1x06 | Airdate: Dec 5, 2017
Season 2
How 156 years of British rule shaped Hong Kong
Episode: 2x01 | Airdate: Jul 18, 2018
China is erasing its border with Hong Kong
Episode: 2x02 | Airdate: Jul 25, 2018
How feng shui shaped Hong Kong's skyline
Episode: 2x03 | Airdate: Aug 1, 2018
The decline of Hong Kong's iconic neon glow
Episode: 2x04 | Airdate: Aug 8, 2018
Inside Hong Kong's cage homes
Episode: 2x05 | Airdate: Aug 15, 2018
Season 3
Why Colombia has taken in 1 million Venezuelans
Episode: 3x01 | Airdate: Nov 27, 2018
How this drug lord created a hippo problem in Colombia
Episode: 3x02 | Airdate: Dec 4, 2018
Why Shakira loves this African beat
Episode: 3x03 | Airdate: Dec 11, 2018
Why Colombia is losing the cocaine war
Episode: 3x04 | Airdate: Dec 18, 2018
Season 4
How this border transformed a subcontinent | India & Pakistan
Episode: 4x01 | Airdate: Jun 26, 2019
How India runs the world's biggest election
Episode: 4x02 | Airdate: Jul 3, 2019
India and Sri Lanka's violent fight over fish
Episode: 4x03 | Airdate: Jul 10, 2019
India's trucks are works of art
Episode: 4x04 | Airdate: Jul 17, 2019
The violent rise of India's cow vigilantes
Episode: 4x05 | Airdate: Jul 24, 2019