November 4, 2029. We face a countdown to catastrophe. A giant asteroid hurtles towards Earth at 40,000 mph. It's heading straight for the eastern seaboard of the United States. The space rock could wipe out an entire city and cause widespread devastation. Can Earth survive? Now, experts confront the story of this fictional asteroid event to determine what could happen, and how it might be stopped.

Clarkson's herd of cows begins to settle in on the farm, but things immediately begin to go awry. The cows aren't keen on the idea of a fence and quickly escape, and when Clarkson attempts to wean the calves, they too break out and cause chaos. In addition, the new roosters brought in to help fertilize the soil also prove to be difficult to handle.

The Internet is an uncontrollable labyrinth of content and imagery that operates under loose laws and partial anonymity - a new frontier where people can do anything and see anything, whether they should or not. In this lawless landscape, who's in control? The protectors? The abusers? In this episode meet the content moderators who watch the worst of the Internet so you don't have to; a convicted hacker whose punishment was the virtual prison of the unplugged; plus, a blackhat hacker who encrypts and holds computer files hostage.

The archaeological world is fooled for nearly half a century when an ape-like skull that's claimed as solid evidence for Darwin's theory of human evolution is proven fake. Using new research, experts investigate and uncover the identity of the forger.
Locked away in a store room at London Science Museum is a genuine 19th century miracle machine, a 180-year-old mechanical engine that solves complex mathematical equations, more than 100 years before the first electronic computer.

The white hole is a region of spacetime and that cannot be entered from the outside, although energy-matter, light and information can escape from it. In this sense, it is the reverse of a black hole. Einstein predicted strange cosmic phenomena known as white holes, but scientists have yet to prove they exist.
Today, astronomers race to find the clues that can unlock the secrets of white holes. They investigate the tiny black holes that hide in the most ancient parts of the universe to finally find the smoking gun.

David Lynch takes us on an intimate journey through the formative years of his life. From his idyllic upbringing in small town America to the dark streets of Philadelphia, we follow Lynch as he traces the events that have helped to shape one of cinema's most enigmatic directors. David Lynch the Art Life infuses Lynch's own art, music and early films, shining a light into the dark corners of his unique world, giving audiences a better understanding of the man and the artist. As Lynch states 'I think every time you do something, like a painting or whatever, you go with ideas and sometimes the past can conjure those ideas and color them, even if they're new ideas, the past colors them.'
Artist and filmmaker David Lynch discusses his early life and the events that shaped his outlook on art and the creative process.