123Movies - Watch Free Movies | 123 Movies

Discover the remarkable ways animals of all shapes and sizes are adapting to make the most of opportunities in the newest and fastest changing...

A Walking with Dinosaurs Special - broadcast in North America as Chased by Dinosaurs - is a two-part British documentary film series featuring Nigel...

Traveling to the far corners of the world, we discover the extraordinary ways animals are adapting to our rapidly changing planet. We witness...

A look at the world of animal shelters and all the emotion-filled work that goes on there to save the lives of thousands of pets every year.

An intimate and powerful experience, looking at some of the planet’s most fearsome animals in their own unique neighborhoods.

Sitting on top of one of the world’s largest super-volcanos are 3,500 square miles of the most spectacular American wilderness. This summer,...

Earth is a collection of worlds within worlds, each one a self-contained ecosystem bursting with life. These microworlds depend on an intricate web...

Millions of years ago, incredible forces ripped apart the Earth’s crust creating seven extraordinary continents. This documentary series...

The dedicated team at the Houston Society for the Prevention of Cruelty to Animals, a private charity, responds to a variety of distress calls...

Sir David shines the spotlight on some of nature’s evolutionary anomalies and reveals how these curious animals continue to baffle and...

Sir David Attenborough narrates this critically acclaimed series that dives deep into the marine environment of Planet Earth. Although two-thirds of...

There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known...

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand....

David Attenborough presents a documentary series exploring how animals meet the challenges of surviving in the most iconic habitats on earth.

Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks,...

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each...

Discover the stories beneath the surface of the water in this stunning nature documentary series, which explores each of the Earth's five oceans.

Experience our planet's natural beauty and examine how climate change impacts all living creatures in this ambitious documentary of spectacular scope.

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the...

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours...