Season 4 Episode Guide

Invasive Species and Deep Sea Exploration

Season 4, Episode 11

April 26, 2014

Blackbeard's Shipwreck and Night Mantas

Season 4, Episode 10

April 19, 2014

Whitetip Reef Sharks, Kelp Forest and St. Lawrence Wrecks

Season 4, Episode 9

April 12, 2014

Stargate Blue Hole and Sponges

Season 4, Episode 8

April 5, 2014

Aquarius Reef Base, Skates and Rays

Season 4, Episode 7

March 29, 2014

Belugas, Cousteau's Blue Hole and Spinner Dolphins

Season 4, Episode 6

March 22, 2014

Sturgeon and the Coral Farm

Season 4, Episode 5

March 15, 2014

Artificial Reefs and Free Diving

Season 4, Episode 4

March 8, 2014

Monk Seals, Wounded Warriors and Counting Fish

Season 4, Episode 3

March 1, 2014

Bull Sharks and Astronauts

Season 4, Episode 2

February 22, 2014

Sea Snakes and Manta Rays

Season 4, Episode 1

February 15, 2014

Cast & Details See all »

  • Premiered: May 17, 2008
  • Rating: TV-G
  • Premise: Underwater photography is featured in reports on marine life, nautical exploration and deep-sea research. (more)

Show More »

Watch This

Jeffrey Dean Morgan as Negan - The Walking Dead _ Season 7, Episode 4 - Photo Credit: Gene Page/AMC
The Walking Dead: 3 Things That Have to Happen In the Midseason Finale

This is what The Walking Dead has to do to send us into the break the right way

Shop