Fisheries (04:14)

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Humans are drawn to the sea and the rhythms of nature. Tony Sao Marcos and his crew need to catch 3,000 pounds of fish to remain profitable; the cod fishery near New Bedford has collapsed. (Credits)

The Killing Machines... (07:04)

Thousands of trawlers scour the oceans for commercial fish, catching up to one million pounds in a day. Harvesting is a misused term; 25% of everything caught is not viable and is discarded. Movies have shaped how human beings perceive nature.

The Last Buffalo Hunt... (02:35)

Every year, fishermen slaughter 100 million sharks. Dried shark fins sell for over $200 a pound in Hong Kong.

Ancient Mariners... (07:16)

Thousands of sea turtles get caught in trawler's nets and die. Llewellyn Ehrhart and his crew tag and examine loggerheads before releasing them back into the ocean. They do not breed at Melbourne Beach until they reach 25-30 years of age.

Media Stars... (05:54)

Gerald Kooyman studies the effects of climate change on emperor penguins in the Antarctic. Instrument packages monitor the duration and depth of their dives, and their heart rate. These penguins are the only species that never set foot on land.

River of Dreams... (06:59)

Members of the Yurok tribe prepare nets and traps to catch salmon where the Klamath River meets the Pacific Ocean. The ecosystem has become unbalanced due to deforestation, drought, and wetland destruction. Researchers monitor spawning salmon.

Broken Promises... (03:49)

Tony Anello and his son line-catch salmon. Sea lions eat the fish before the fishermen can haul in the cach. Federal agencies press for the removal of the dam on the Klamath River.

The Dolphin's Cry... (04:46)

Hardy Jones captures the grace and beauty of dolphins on film. Japanese poachers extract the young pretty calves and sell them to aquariums while older animals are slaughtered for meat.

An Unlikely Hero... (11:18)

Monterey Bay has one of the most diverse ecosystems in the world. When the sea otter population is reduced, abalone and sea urchins destroy kelp forests. Electronic sensors will provide experts with information on migration patterns.

Credits: The State of the Ocean's Animals (01:34)

Credits: The State of the Ocean's Animals