Season 4 Episode
- Season 4 The Hole Truth
- Season 4 The Biggest
- Season 4 Little Problems
- Season 4 The Lead
- Season 4 AWOL
- Season 4 Deceptive Appearances
- Season 4 Glass Houses
- Season 4 Unidentified Floating Objects
- Season 4 At the Bottom of the Gyre
- Season 4 Walking with Fish
- Season 4 Getting Warmer
- Season 4 The Big Clue
- Season 4 The Inside Story
The Deep
7.46 21 minutes The adventures of the Nekton family, a family of daring underwater explorers who live aboard a state-of-the-art submarine, The Aronnax, and explore uncharted areas of the earth's oceans to unravel the mysteries of the deep.
