Episode 1
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Shark Encounters
Featuring several shark species and shark encounters from around the world; expedition divers test new technology to closely study and photograph the animals.
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Episode 2
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Sea of Steel
In the 1990's, three large naval vessels were intentionally sunk as part of the world's most ambitious artificial reef project.
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Episode 3
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Treasure Hunters
Mel Fisher, Teddy Tucker, and Henry Cox search for lost ships and artifacts.
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Episode 4
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Galapagos
One of the world's richest and most diverse ecosystems is under attack from human settlement and over fishing.
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Episode 5
Aired Dec 31, 2011
Giants of Socorro
Expedition divers will study and interact with mantas and will also examine the intelligence of fish and how they "think."
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Episode 6
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The Coral Reef
Expedition divers travel to the Cayman Islands to explore the Cayman Trench aboard a deep sea submersible.
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Episode 7
Aired Dec 31, 2011
Lagoon of Lost Ships
This program will follow the search for the last undiscovered ship of Truk, the Katsuragisan Maru.
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Episode 8
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Dolphins
Examining man's relationship with dolphins and interactions in the wild and captivity.
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Episode 9
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The Caves of Akumal
Below the surface of Mexico's Yucatan Peninsula lie the world's most extensive collection of underground, water filled caves.
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Episode 10
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The Gales of November
In the cold depths of the Great Lakes lie the remains of thousands of shipwrecks.
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Episode 11
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Cocos Island
The camera team documents the remarkable undersea world of Cocos, an island that once was a hiding place for pirates and buccaneers.
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Episode 12
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The Kelp Forest
Along North America's Pacific coast from Alaska to Mexico, thick forests of kelp are home to an array of marine animals.
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Episode 13
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Manatees
In central Florida, a large marine mammal is faced with extinction; manatees are threatened with pollution, boat traffic and disease.
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Episode 14
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Ocean of Fire
The Hawaiian Islands are a unique archipelago formed by volcanic activity.
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Episode 15
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Whales
Off the coast of the Dominican Republic, the world's largest group of humpback whales congregate in the winter months to rear their young.
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Episode 16
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The Sulawesi Sea
Off the coast of northeastern Borneo lies a vast stretch of water called the Celebes Sea.
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Episode 17
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Sea Turtles
Exploring endangered sea turtles.
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Episode 18
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Shark Frenzy
The program will feature efforts to tag and study Caribbean reef sharks and other species with researcher Dr. Eric Ritter.
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Episode 19
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Palau
A tiny group of remote islands in Micronesia is considered one of the world's most fascinating undersea environments.
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Episode 20
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New Guinea
The camera team travels to New Guinea to document the astonishing variety of fish, mammals and invertebrates of the Bismark Sea; team divers explore relics of WWII battles including tanks, planes and shipwrecks.
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Episode 21
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The Red Sea
An expedition of the Egyptian and Jordanian Red Sea.
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Episode 22
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Fiji
The islands that comprise the nation of Fiji are surrounded by clear, tropical waters filled with a wide assortment of colorful marine animals.
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Episode 23
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The Emerald Sea
Along the Pacific coasts of Washington, British Columbia and Alaska lies an extensive marine environment, the Emerald Sea.
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Episode 24
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Tentacles
Squid, octopus, and other cephalopods have keen intelligence and a host of unique talents.
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Episode 25
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Seals and Sea Lions
The camera team will travel to the Pacific Northwest, the Galapagos Islands, California, and Mexico to film encounters with pinnipeds in the wild.
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Episode 26
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The Great Barrier Reef
The Great Barrier Reef is the largest community of living organisms on earth, stretching over 12 hundred miles along the eastern coast of Australia.
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Episode 27
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Ghost Fleet of the Pacific
A deep, technical dive expedition visits rarely seen shipwrecks from a major WWII battle in the South Pacific.
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Episode 28
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Oasis of the Deep
Visiting the deep sea hot vents of the Juan De Fuca Ridge.
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Episode 29
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Sea of Cortez
A camera team visits the Sea of Cortez, one earth's richest undersea realms.
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Episode 30
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Free Diving
A camera team travels to the Florida Keys with world champion free diver, Tanya Streeter.
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Episode 31
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The Graveyard Coast
Expedition divers travel the remote North Pacific Coast in search of shipwrecks, focusing on underwater archaeology and highlighting efforts of the Underwater Archaeological Society of British Columbia.
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Episode 32
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Bermuda-Isle of Devils
The focus of this show will be the maritime history of Bermuda and divers will also visit mysterious undersea caves in the island's interior.
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Episode 33
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Shark Island
Team divers visit the remote Cocos Island to film hammerhead shark migrations.
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Episode 34
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Bonaire
Team divers travel to the small Caribbean island of Bonaire to celebrate the 500th anniversary of it's discovery.
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Episode 35
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Great White
The program will focus on sand tiger, great white, and six gill sharks, their biology, and behavior.
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Episode 36
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The Florida Keys
Featuring the Florida Keys National Marine Sanctuary, the largest marine park in the world.
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Episode 37
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Tek Wrecks
Expedition divers mount a dangerous expedition to the wreck of the Wilkes-Barr.
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Episode 38
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The Yongala
Team divers travel to northern Australia to film the remains of the Yongala, one of the world's most famous shipwrecks.
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Episode 39
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The Cayman Challenge
Expedition divers travel to the Caribbean island of Grand Cayman.
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