| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Big Thompson Flood |
October 5, 2016
PBS
|
30 | |
| S04E02 | Centennial Farms |
December 15, 2016
PBS
|
30 | |
| S04E03 | Courthouses |
December 29, 2016
PBS
|
30 | |
| S04E04 | Dana Crawford |
November 10, 2016
PBS
|
30 | |
| S04E05 | Dinosaurs |
January 12, 2017
PBS
|
30 | |
| S04E06 | Hotel de Paris |
October 13, 2016
PBS
|
30 | |
| S04E07 | KKK |
January 19, 2017
PBS
|
30 | |
| S04E08 | LGBT |
October 20, 2016
PBS
|
30 | |
| S04E09 | Perry-Mansfield Performing Arts School & Camp |
January 5, 2017
PBS
|
30 | |
| S04E10 | Suffrage |
November 2, 2016
PBS
|
30 | |
| S04E11 | The Stanley House |
October 27, 2016
PBS
|
30 | |
| S04E12 | The Tabors |
November 17, 2016
PBS
|
30 | |
| S04E13 |
Trinidad
season finale
|
December 22, 2016
PBS
|
30 |
No artwork of this type.
No artwork of this type.
