| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S21E01 | Crossing the Urban-Rural Divide |
August 8, 2009
PBS
|
30 | |
| S21E02 | Bluebird Lady, Bull Run, Streaked Horn Lark |
October 15, 2009
PBS
|
30 | |
| S21E03 | Boat Building, Sixgill Sharks, Tsunami Update |
October 22, 2009
PBS
|
30 | |
| S21E04 | Knowles Creek Update, Vultures, Wave Power |
October 29, 2009
PBS
|
30 | |
| S21E05 | Forest Thinning, Oregon Cave Cleaning, Portland Stairways |
November 5, 2009
PBS
|
30 | |
| S21E06 | Bending the Wallowa River, Golf Clinic, Invasive Species Rapid |
November 12, 2009
PBS
|
30 | |
| S21E07 | Bryan Bates, Surfer, Devil's Staircase, Hagg Lake Expansion |
November 26, 2009
PBS
|
30 | |
| S21E08 | Murres & Eagles, Geocaching, Wind and Bats |
February 4, 2010
PBS
|
30 | |
| S21E09 | Ethanol, Forest Surveyors, Old Tree |
February 11, 2010
PBS
|
30 | |
| S21E10 | Ocean Acidification, Pygmy Owls, Green Roofs |
February 18, 2010
PBS
|
30 | |
| S21E11 | Brown Pelicans, Freeriding, Oak Savannah |
February 25, 2010
PBS
|
30 | |
| S21E12 |
Dead Zone Update, Whychus Creek, Coast Aquarium, Sea Turtles
season finale
|
March 18, 2010
PBS
|
30 |
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No artwork of this type.
No artwork of this type.