Shark Tracker

Driven by passion fed from a life-long fascination with sharks, Rob Stewart debunks historical stereotypes and media depictions of sharks as bloodthirsty, man-eating monsters and reveals the reality of sharks as pillars in the evolution of the seas.

With Pete Smith providing dry off-screen commentary, we watch some serious fishing: a marlin caught near Catalina, a hammerhead shark caught then wrestled in a small rowboat near Baja, the largest (721 pounds) great white shark caught to date in California waters, Chinook Indians catching salmon at Celilo Falls in Oregon - each with his designated place on the river where his ancestors stood, and, last, a crew on a boat off Mexico hoisting and hurling tuna using unbarbed hooks (baited only with a feather) as fast as they can as long as the school is there - backbreaking work - but a $25,000 catch.

In April 2013, a fishing vessel was attacked off the coast of South Africa, killing all on board. A TV crew documented Marine Biologist Collin Drake as he worked to determine the predator responsible. His discovery is presented in this shocking footage.

Feared as killers, sharks are the ocean's most misunderstood creatures. This documentary tells their true story — and examines the dangers they face.

Greenland is the largest island in the world and the landmass closest to the North Pole. 80% of the country is covered by a layer of ice up to 3000 meters thick. Through the eyes of locals we get to know the authentic Greenland.

See the world's first MRI scan of a great white shark as Ultimate Shark reveals the extreme engineering and predatory abilities of one of nature's most near perfect predators. Hear firsthand accounts of people who survived harrowing encounters, including a surfer who was bitten on the arm and leg, towed by the surfboard ankle strap and miraculously escaped only with minor injuries. National Geographic demystifies the true motives and power behind their behavior.

Peter Gimbel and a team of photographers set out on an expedition to find and film, for the very first time, Carcharodon carcharias—the Great White Shark. The expedition lasted over nine months and took the team from Durban, South Africa, across the Indian Ocean, and finally to southern Australia.

Valerie Taylor is a shark fanatic and an Australian icon – a marine maverick who forged her way as a fearless diver, cinematographer and conservationist. She filmed the real sharks for Jaws and famously wore a chainmail suit, using herself as shark bait, changing our scientific understanding of sharks forever.

For 20-year-old Madison Stewart, nothing feels safer or more natural than diving straight into shark-infested waters. Since childhood, growing up by the Great Barrier Reef, she's treated these predators as family. But they're vanishing from existence, and because of their bad reputation, few people seem to care. Follow Madison on her mission to protect our sharks, a battle that began when she put her studies on hold, grabbed a camera, and set out to save these incredible, misunderstood creatures.

A 3-D documentary chronicling a sea turtle's journey across the oceans.

There's a mysterious predator lurking in the depths of Australia's wild Southern Ocean, a beast that savagely devoured a great white shark in front of cinematographer David Riggs 11 years ago. Riggs's obsession to find the killer leads him to an aquatic battle zone that's remained hidden until now. Here, killer whales, colossal squid and great white sharks face off in an underwater coliseum where only the fiercest creatures of the marine world survive.