Dan Nachtrab

Around the world, crocs and gators are moving out to sea and deep into shark territory. With reports of clashes on the rise, scientists are sending cameras to investigate what happens when two of the deadliest predators on the planet match bites! Biologist and host Mike Heithaus investigates whether these predators are facing off more often than we realize and who comes out on top when they do.

All across YouTube, viral videos abound of great whites and other sharks attacking boats with a ferocity and anger that has never been seen before. The question is, why? Is this simply a case of more people having cameras to video the behavior, or is something else happening? Dr. Mike Heithaus and Ph.D. candidate Sara Casareto set out to investigate what’s causing this clash between sharks and boats.

In the mountains of Peru, an environmental scientist discovers ancient artifacts submerged beneath the headwaters of the Amazon; his findings could save this sacred landscape from mining devastation.

7.2/10

Shark scientist Dr. Michael Heithaus embarks on a mission to reveal the mysterious connection between sharks and volcanoes.

The discovery of Gobekli Tepe 20 years ago changed our understanding of the history of humankind. Now, newly-discovered skull carvings reveal even more about how and why civilized societies developed.

In the darkest days of World War II, St. Peter's was shrouded in the shadow of the swastika. But even as the Führer surrounded him, the Pope was plotting a secret counter-offensive. Wartime Pontiff Pius XII has been derided for his public silence about the Holocaust. But evidence suggests his silence may have been subterfuge.

6.9/10

Plunge into the Pacific with researchers and cinematographers and see the ocean’s rare and dazzling creatures in a way never before seen on television. The show examines an ocean that covers a third of the Earth’s surface.

8.3/10

A look ahead at the cataclysmic events that could extinguish the human race.

7.1/10

The 17,000 islands that comprise the nation of Indonesia stretch more than 3,000 miles along the equator, bridging Asia and Australasia. Indonesia’s natural habitats vary widely. On some islands, tropical forests climb from steamy lowlands to mountain slopes. On others, parched savannah thrives. Coral reefs line thousands of tranquil atolls, while relentless waves batter rocky cliffs on other shores. In Papua, the mountains reach so high that permanent ice caps top their peaks, surrounded by barren alpine tundra. These wildly ranging habitats are home to an incredible number and diversity of living creatures - this iconic and landmark series is a celebration of Indonesia’s most spectacular locations and incredible wildlife.

8.2/10

Earthquakes, tsunamis, volcanic eruptions, and extreme weather. Has Earth always been this way? Featuring footage of top geologic hot spots on every continent, the film traces the scientifically-based story of the 4.5 billion-year-old Earth, from the core to the crust and up into the atmosphere.

7.5/10