| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Flowers & Floats: The Rose Parade |
April 7, 2016
PBS
|
27 | |
| S04E02 | Citrus: California’s Second Gold Rush |
April 14, 2016
PBS
|
27 | |
| S04E03 | Beneficial Insects |
April 21, 2016
PBS
|
27 | |
| S04E04 | Bye Bye Grass: How to Remove Your Lawn |
April 28, 2016
PBS
|
27 | |
| S04E05 | After the Lawn is Gone – Waterwise Gardens |
May 5, 2016
PBS
|
27 | |
| S04E06 |
All About Algae
season finale
|
May 12, 2016
PBS
|
27 |
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