| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Staunton, VA |
May 5, 2020
|
27 | |
| S04E02 | The Olympic Peninsula |
May 12, 2020
|
27 | |
| S04E03 | At The Helm |
May 19, 2020
|
27 | |
| S04E04 | A Return to Pennsylvania |
May 26, 2020
|
26 | |
| S04E05 | Bemidji, MN |
June 2, 2020
|
26 | |
| S04E06 | The Outer Banks |
June 9, 2020
|
25 | |
| S04E07 | Muskogee, OK |
June 16, 2020
|
26 | |
| S04E08 | St Augustine, FL |
June 23, 2020
|
26 | |
| S04E09 | Mackinac Island, MI |
June 30, 2020
|
26 | |
| S04E10 |
Stockholm, Sweden
season finale
|
July 7, 2020
PBS
|
26 |
No artwork of this type.
No artwork of this type.
No artwork of this type.