| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Las Hurdes |
September 23, 2018
Cuatro
|
60 | |
| S04E02 | Penelles |
September 30, 2018
Cuatro
|
60 | |
| S04E03 | Los zifios de El Hierro |
October 7, 2018
Cuatro
|
60 | |
| S04E04 | Galicia |
October 14, 2018
Cuatro
|
60 | |
| S04E05 | Sierra de Aracena |
October 21, 2018
Cuatro
|
60 | |
| S04E06 | Parque de Redes |
October 28, 2018
Cuatro
|
60 | |
| S04E07 |
Soria
season finale
|
November 4, 2018
Cuatro
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.