| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Sea Snakes and Manta Rays |
February 15, 2014
PBS
|
30 | |
| S04E02 | Bull Sharks and Astronauts |
February 22, 2014
PBS
|
30 | |
| S04E03 | Monk Seals, Wounded Warriors and Counting Fish |
March 1, 2014
PBS
|
30 | |
| S04E04 | Artificial Reefs and Free Diving |
March 8, 2014
PBS
|
30 | |
| S04E05 | Sturgeon and the Coral Farm |
March 15, 2014
PBS
|
30 | |
| S04E06 | Belugas, Cousteau's Blue Hole and Spinner Dolphins |
March 22, 2014
PBS
|
30 | |
| S04E07 | Aqarius Reef Base, Skates and Rays |
March 29, 2014
PBS
|
30 | |
| S04E08 | Stargate Blue Hole and Sponges |
April 5, 2014
PBS
|
30 | |
| S04E09 | Whitetip Reef Sharks, Kelp Forest and St. Lawrence Wrecks |
April 12, 2014
PBS
|
30 | |
| S04E10 | Blackbeard's Shipwreck and Night Mantas |
April 19, 2014
PBS
|
30 | |
| S04E11 |
Invasive Species and Deep Sea Exploration
series finale
|
April 26, 2014
PBS
|
30 |
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No artwork of this type.
No artwork of this type.