Deep Ocean • 2016 - 2018 • 1 episode • 2h:41m

Once you pass 1,000 meters, the water is completely devoid of light, and you have reached the deep ocean. Down here, temperatures plummet to 39 degrees Fahrenheit, and constantly stay near freezing. The pressures at these depths range from about 40 to over 110 times the pressure of Earth's atmosphere. We know more about outer space than the ocean floor. Want to learn more about the ocean? Start with this mind-blowing series! , narrated by ... David Attenborough

Descent into the Mariana Trench

Exploring an unknown world 10,000 m beneath the waves. After capturing a giant squid on film, NHK's deep-sea film crew explores our planet's deepest point The Mariana Trench is nearly 7 miles deep. The water pressure is immense, and it's a world that's long been out of our reach. What creatures could survive such hostile conditions? This is an expedition to explore the earth's deepest frontier. Narrated By David Attenborough.

Part 3 • 2018 • Nature