Follow National Geographic photographer James Balog across the Arctic as he deploys time-lapse cameras designed for one purpose: to capture a multi-year record of the world's changing glaciers.

A video game villain wants to be a hero and sets out to fulfill his dream, but his quest brings havoc to the whole arcade where he lives.

Within the coming decades we will be able to create computers with greater-than-human intelligence, bio-engineer our species, and redesign matter through nanotechnology. How will these technologies change what it means to be human?

Tony DeRose, senior scientist and research group lead at Pixar Animation Studios, delivers an illustrated lecture on the extraordinary contribution of mathematics to animated films.

A young surfer learns the secrets of surviving the towering waves of the infamous Mavericks surf break.

Bestiaire is a mesmerizing meditation on the relationships between animals and people through the seasons at a Quebec safari park.

After freshman Beca is cajoled into joining her college's all-girls singing group, she injects much needed energy into their repertoire as they take on their male rivals.

A burgeoning stand-up comedian struggles with the stress of a stalled career, a stale relationship, and the wild spurts of severe sleepwalking he is desperate to ignore.

In the near future, an ex-jewel thief receives a gift from his son: a robot butler programmed to look after him. But soon the two companions try their luck as a heist team.

The race to protect Earth's last untouched ocean—the Ross Sea in Antarctica—from our insatiable appetite for fish. The film raises the simple ethical question: do we fish the last ocean or do we protect it?

A pair of young lovers flee their New England town, sparking a frenzied search by the town's quirky inhabitants.

Faced with both her hot-tempered father's fading health and melting ice-caps that flood her ramshackle bayou community and unleash ancient aurochs, six-year-old Hushpuppy must learn the ways of courage and love.

A portrait of the musician, therapist and sound researcher Wolfgang Fasser, who lost his sight as a teenager.

Erin Brockovich, Robert Glennon, and Jay Famiglietti are among those interviewed in Jessica Yu's investigation of the world's looming water shortage.

When her single mom runs off to California, Laudurée, a passionate environmentalist, clings to her rural home and a carbon sequestration experiment.

A look at the reality and fiction behind Hollywood's representation of asteroid impacts.

An exploration of the Nutshell Studies of Unexplained Death, murder-scene dioramas intended as training tools for detectives in the 1930s and '40s.

During the final days at the Yankee Pedlar Inn, two employees determined to reveal the hotel's haunted past begin to experience disturbing events as odd guests check in for a stay.

This documentary explores the adaptive power of the brain and the impact technological advances can have in the lives of three individuals with hearing loss. 

A diverse group of full-of-attitude New Yorkers reveals how a hidden world of beautiful wild birds in the middle of Manhattan has upended and magically transformed their lives.

A tiny teen and her family live under a the floorboards of a house and survive by borrowing items from the home's human inhabitants.

A global journey exploring exotic coral reefs and vibrant sea walls pulsing with anemones and crustaceans.

War and poverty force two men to flee Kashmir. But a military crackdown derails their escape. Waiting for conditions to change, they discover a mysterious woman, braving the curfew to research the dying lake.

The history of the environmental movement's evolution from the 1960s to the present.