| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Le Rio Sao Francisco |
August 2, 2021
France 5
|
52 | |
| S04E02 | Le fleuve Sénégal |
August 9, 2021
France 5
|
52 | |
| S04E03 | Le Tage |
August 16, 2021
France 5
|
52 | |
| S04E04 | La Vistule |
August 23, 2021
France 5
|
52 | |
| S04E05 |
Le Rhône
season finale
|
August 30, 2021
France 5
|
52 |
No artwork of this type.
No artwork of this type.
No artwork of this type.