| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S03E01 | Lost |
July 28, 2017
|
13 | |
| S03E02 | The Lagoon |
August 4, 2017
|
13 | |
| S03E03 | Potions and Other Magic |
August 11, 2017
|
15 | |
| S03E04 | The Forbidden Pool |
August 25, 2017
|
11 | |
| S03E05 | Mermaid Transformations |
September 1, 2017
|
11 | |
| S03E06 | Divided |
September 8, 2017
|
13 | |
| S03E07 | The Sunken House |
September 15, 2017
|
10 | |
| S03E08 | Adrift |
September 22, 2017
|
11 | |
| S03E09 | Locked Out |
September 30, 2017
|
11 | |
| S03E10 |
Battle to Save the Sea
season finale
|
October 8, 2017
|
19 |
No artwork of this type.
No artwork of this type.
No artwork of this type.