| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S18E01 | Best and Most Beautiful Things |
January 2, 2017
PBS
|
60 | |
| S18E02 | Containment; Excerpt From Uranium Drive-in |
January 9, 2017
PBS
|
60 | |
| S18E03 | What Was Ours |
January 16, 2017
PBS
|
60 | |
| S18E04 | The Witness |
January 23, 2017
PBS
|
60 | |
| S18E05 | Birth of a Movement |
February 6, 2017
PBS
|
60 | |
| S18E06 | Accidental Courtesy |
February 13, 2017
PBS
|
100 | |
| S18E07 | Tower |
February 14, 2017
PBS
|
80 | |
| S18E08 | The Bad Kids |
March 20, 2017
PBS
|
60 | |
| S18E09 | Ovarian Psycos |
March 27, 2017
PBS
|
60 | |
| S18E10 | Newtown |
April 3, 2017
PBS
|
60 | |
| S18E11 | Seed: The Untold Story |
April 17, 2017
PBS
|
60 | |
| S18E12 | The Last Laugh |
April 24, 2017
PBS
|
60 | |
| S18E13 | National Bird |
May 1, 2017
PBS
|
60 | |
| S18E14 | The Prison in Twelve Landscapes |
May 8, 2017
PBS
|
60 | |
| S18E15 | Forever Pure |
May 15, 2017
PBS
|
60 | |
| S18E16 | They Call Us Monsters |
May 22, 2017
PBS
|
60 | |
| S18E17 | Farmer/Veteran |
May 29, 2017
PBS
|
60 | |
| S18E18 |
Real Boy
season finale
|
June 19, 2017
PBS
|
60 | |
| S18E19 |
Chasing Trane
season finale
|
November 6, 2017
PBS
|
60 | |
| S18E20 | Shadow World |
November 20, 2017
PBS
|
60 | |
| S18E21 |
Supergirl
season finale
|
December 18, 2017
PBS
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.