The Deep Season 4 Episode 4 - The Lead
Episode(s)
- Episode 13 - The Inside Story
- Episode 12 - The Big Clue
- Episode 11 - Getting Warmer
- Episode 10 - Walking With Fish
- Episode 9 - At the Bottom of the Gyre
- Episode 8 - Unidentified Floating Objects
- Episode 7 - Glass Houses
- Episode 6 - Deceptive Appearences
- Episode 5 - AWOL
- Episode 4 - The Lead
- Episode 3 - Little Problems
- Episode 2 - The Biggest
- Episode 1 - The Hole Truth