This Earth Month, let your curiosity dive deep into underwater stories from around the world.

Join a deep-sea adventure that will give us a look at the amazing life forms that have survived the harsh, pitch-dark depths of our oceans.

Deep Ocean Narrated by David Attenborough

In this prequel to Ancient Earth, travel back in time to the first two of the most powerful extinction periods in history.

Ancient Oceans

Whales have long been a profound mystery to us. They live in a world so removed from our own that we can barely imagine their lives. Their environment is different, their senses are different, their relationships are different. How might such almost alien creatures see the world?

Whales live in a world so removed from our own that we can barely imagine their lives. Their environment is different, their senses and relationships are different.

Whale Wisdom

The Humboldt Current is part of a much larger system, the South Pacific Gyre, and the equator as its uppermost limit.

The Humboldt Current

Go behind the scenes of wildlife filmmaking and join Andy Casagrande, as he gets up close and personal with some of the most iconic sharks.

Get up close and personal with some of the most iconic sharks.

Secret Lives of Sharks

The world’s largest coral reef ranges over 2,000 kilometers off the coast of Australia. Magnificent spectacles unfold here every summer. Tens of thousands of green sea turtles come ashore under the star-filled sky to lay eggs. And we capture some 100 varieties of coral all spawning at once.

The Moon's Spell On The Great Barrier Reef

We live on an ever-moving planet, and as landscapes are altered, wildlife must march to its rhythm. Driven by instinct, they follow the maps hardwired into their DNA. Some run, some fly, but most swim.

We live on an ever-moving planet, and as landscapes are altered, wildlife must march to its rhythm. Driven by instinct, they follow the maps hardwired into their DNA.

Migrations: The Big Swim

The North Atlantic Right Whale is on the verge of extinction. The leading cause of death and injury to the whales is from ship strikes or entanglement in fishing lines. In this Breakthrough episode, we will hear from the leading experts and biologists who are racing to save this species.

The North Atlantic Right Whale is on the verge of extinction. The leading cause of death and injury to the whales is from ship strikes or entanglement in fishing lines.

Saving the Right Whale

Life in the ocean is more similar to yours than you may think! On Malaysia's Sipadan Island—one of the most biodiverse places on the planet—a great coral city is home to millions of organisms who must navigate daily life among neighbors of all shapes and sizes.

On Malaysia's Sipadan Island—one of the most biodiverse places on the planet—a great coral city is home to millions of organisms of all shapes and sizes.