Documentaries : Sci-fi

Three high school friends gain superpowers after making an incredible discovery. Soon, though, they find their lives spinning out of control and their bond tested as they embrace their darker sides....

This episode suggests that gold is the ultimate link between humans and aliens. Featured are a church in Southern France said to hold the secrets of alchemy; Lake Puray near Cusco, Peru where UFO sightings may be linked to gold deposits beneath the lake, and what some believe is a library of knowled...

This episode suggests that some of mankind's most sacred places; such as Jerusalem's Temple Mount and Dome of the Rock; the Kaaba stone at the Islam shrine at Mecca, the temples of the Ajanta Caves in India and the churches of Lalibela, Ethiopia that are carved out of rock, and the ancient city of B...

National Geographic Megafactories Mercedes: Renowned as a classic since its creation over 50 years ago, witness the extraordinary new take on the Mercedes Benz 1954 300SL Gullwing....

National Geographic: When Aliens Attack: What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, this two-hour special, Alien Invasion explores this fr...

An urban mystery unfurls as one man pieces together the surreal meaning of hundreds of cryptic tiled messages that have been appearing in city streets across the U.S. and South America....

Discovery Channel Kuala Lumpur Flood Control: Kuala Lumpur, Malaysia's Capital, is under siege from flash floods, powerful forces of nature that bring the city to its knees. The source: severe thunderstorms that pound the city for months on end. But Kuala Lumpur is fighting back. A daring constructi...

National Geographic X-Ray Earth: Similar to the way doctors use X-rays to diagnose unseen medical problems, scientists are using an army of sensors located underground, in the sky, the ocean and our cities to monitor the Earth more than at any other time in our history. From the undisturbed far reac...

National Geographic Break it Down Locomotive Overhaul: Follow a breakdown crew as they tear apart a 50-year-old locomotive and rebuild it from the frame up, using the latest energy-efficient technology. This four-axle train must boast 1,400 horsepower and ride the rails for another 50 years. Chains ...

Larry uses a far out toilet at NASA, impersonates himself in a Las Vegas standup act, and gets wet at the site of a prehistoric flood....