Episode 1 - Calais: The Final Frontier

The northern French port of Calais is facing an international refugee crisis. Darius Bazargan has been to Calais to meet the migrants, and the locals, caught up in a growing humanitarian crisis.

Episode 2 - The Billion Dollar Gamble

It's the first planned Palestinian city, a billion dollar project to build homes for 25,000 people. Though the main building work is largely finished the project, like the peace process, has ground to a halt over disagreements between the Palestinians and the Israelis.

Episode 3 - Episode 3

Episode 4 - Episode 4

Episode 6 - Episode 6

Episode 7 - Inside Eritrea

Eritrea has been described as one of the most secretive states in the world. For the first time in around 10 years, BBC News has been been allowed to to film inside the country.

Episode 8 - Episode 8

Episode 9 - Episode 9

Episode 10 - Episode 10

Episode 11 - Episode 11

Episode 12 - Episode 12

Episode 13 - Episode 13

Episode 14 - Episode 14

Episode 15 - Episode 15

Episode 16 - Episode 16

Episode 18 - Who Killed Alberto Nisman

In a tale of corruption and international espionage Our World asks - who killed Alberto Nisman?

Episode 19 - Episode 19

Episode 20 - Episode 20

Episode 21 - Pardon Me, Mr. President

Our World speaks to former US prisoners released under a new presidential clemency initiative which is part of a changing approach to tackling drug offences in the United States.

Episode 22 - Episode 22

Episode 23 - Bosnia: Cradle of Modern Jihad?

Mark Urban returns to Bosnia for 'Our World' and discovers how secular Bosnian society has been infiltrated by a militant Islamism which operates to this day.

Episode 24 - Episode 24

Episode 25 - Deported to Afghanistan

Over the past ten years, thousands of unaccompanied children have fled to the UK from war-torn Afghanistan, but when they turn 18 they have to return or face deportation. Chris Rogers follows some of the young men, who claim their deportation to Afghanistan would be inhumane and that the UK is now their home.

Episode 26 - Episode 26

Episode 27 - Episode 27

Episode 28 - Episode 28

Episode 29 - Episode 29

Episode 30 - Episode 30

Episode 31 - Episode 31

Episode 32 - Episode 32

Episode 33 - Episode 33

Episode 34 - Episode 34

Episode 35 - Episode 35

Episode 36 - Episode 36

Episode 37 - Episode 37

Episode 38 - Episode 38

Episode 39 - Episode 39

Episode 40 - Episode 40