| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Tren Turistico |
July 11, 2021
Smithsonian Channel
|
||
| S04E02 | Transcantábrico Clásico |
July 18, 2021
Smithsonian Channel
|
||
| S04E03 | Seven Stars |
July 25, 2021
Smithsonian Channel
|
||
| S04E04 | Belgrade to Bar Railway |
August 15, 2021
Smithsonian Channel
|
||
| S04E05 | Reunification Express |
August 22, 2021
Smithsonian Channel
|
||
| S04E06 |
Coastal Pacific
series finale
|
August 29, 2021
Smithsonian Channel
|
No artwork of this type.
No artwork of this type.