David Schwimmer explores an underground world of monsters and aliens. The largest gathering of the largest fish on the planet--over four hundred whale sharks--assembles in the same small patch of ocean just off Mexico’s Yucatan Peninsula. Why are they here? Mysterious Planet embarks on an epic journey to find out: from the clear blue waters of the Caribbean, into the largest network of flooded caves on Earth, spiritual underworld of a lost civilization, home to monsters and alien life forms ,where a meteorite the size of Manhattan is hurtling towards planet Earth, on course to kickstart the evolution of a whole new line of ocean giants.
The Andes is the longest mountain range in the world and home to astonishing hidden worlds, extraordinary animals and remarkable people. A female puma and her three cubs hunt in the mountains of the frozen south. Spectacled bears search for water on scorched mountain forests and the descendants of the Inca gather in an ancient ceremony to build a bridge made from woven grass. High in the cloud forest, a newly discovered shape-shifting frog baffles scientists with its superpowers and in the Atacama desert - the driest place in the world - strange reptiles battle for access to precious water. This is the mountain range of surprise and wonder.
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.