"After a tragic accident maims her laboratory assistant, Dr. Sara Pollard's career as a primate behaviorist lies in ruins. With nothing left to lose, Pollard-descendant of a Nantucket captain whose ship was sunk by a rogue whale-accepts an offer to join anti-whaling activists on a round-the-world racing yacht as the resident scientist. The plan is to sail from Argentina to the stormy Antarctic Sea. There they'll shadow, harass, and expose the Japanese...

Twelve-year-old Evie Beaulieu sinks to the bottom of a swimming pool in Montreal strapped to one of the world’s first aqualungs. Ina Aroita grows up on naval bases across the Pacific with art as her only home. Two polar opposites at an elite Chicago high school bond over a three-thousand-year-old board game; Rafi Young will get lost in literature, while Todd Keane’s work will lead to a startling AI breakthrough. They meet on the history-scarred...

On another special field trip on the magic school bus, Ms. Frizzle's class learns about the ocean and the different creatures that live there.

After local leaders launched a crusade to end the slaughter of Trinidad's thousand-pound leatherback turtles, the turtles were transformed from shark bait to tourist attraction. Now Trinidad's beaches support 80 percent of the entire Caribbean's leatherbacks and nearby villages make a great living catering to the visitors.

In a two-part special, Carl Safina goes to sea with some of the last remaining swordfish harpooners to experience firsthand one of the world's most sustainable fisheries and to find out why swordfish are the world's best big-fish comeback story.

This is the remarkable story of how local fishing people in Baja California, Mexico, stopped hunting "devil-fish" - actually gray whales - and instead developed a whale-watching co-op that now caters to tourists from all over the world. They're also getting rich by setting fishing rules for themselves that are stricter than the government regulations.

The Sacred Island takes viewers to Zanzibar, off the East African coast, where local villagers fought a resort development in their pristine reefs and lagoons through a combination of activism, education, and regulation.