Rise of the Hackers (#4115H) Duration: 56:46 STEREO TVPG

Our lives are going digital. We shop, bank and even date online. Computers hold our treasured photographs, private emails and all of our personal information. This data is precious - and cybercriminals want it. Now, Nova goes behind the scenes of the fast-paced world of cryptography to meet the scientists battling to keep our data safe. They are experts in extreme physics, math, and a new field called "ultra-paranoid computing," all working to forge unbreakable codes and build ultra-fast computers. From the two men who uncovered the world's most advanced cyber weapon to the computer expert who worked out how to hack into cash machines and scientists who believe they can store a password in your unconscious brain, Nova investigates how a new global geek squad is harnessing cutting-edge science - all to stay one step ahead of the hackers.

Building Pharaoh's Chariot (#4005#) Duration: 56:46 STEREO TVPG

Around 3,600 years ago, reliefs in Egyptian tombs and temples depicted pharaohs and warriors proudly riding into battle on horse-drawn chariots. Some historians claim that the chariot launched a technological and strategic revolution, and was the secret weapon behind Egypt's greatest era of conquest known as the New Kingdom. But was the Egyptian chariot really a revolutionary design? How decisive a role did it play in the bloody battles of the ancient world? In this film, a team of archaeologists, engineers, woodworkers and horse trainers join forces to build and test two highly accurate replicas of Egyptian royal chariots. They discover astonishingly advanced features, including spoked wheels, springs, shock absorbers, anti-roll bars and even a convex shaped rear mirror, leading one of them to compare the level of design to the engineering standards of 1930's-era Buicks! By driving our pair of replicas to their limits in the desert outside Cairo, NOVA's experts test the claim that the chariot marks a crucial turning point in ancient military history.

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Why Planes Vanish (#4116H) Duration: 56:46 STEREO TVPG

The disappearance of Flight MH370 stunned the world. In an era of smart-phones and GPS, how could a 270-ton passenger jet vanish into thin air? It was a rude awakening for all of us, showing just how far we are from the world we imagined we lived in - in which every move is monitored all the time. Nova tells the inside story of the search for Flight MH370 and meets the key players, from all corners of the globe, who have spent months searching for the lost plane. How easy is it to make a plane disappear? Or can new technology guarantee that in the future, nothing will ever be "lost" again?

Ben Franklin's Balloons (#4117#) Duration: 56:46 STEREO TVG

The first stage in the adventure of human flight began with daring inventors and aeronauts in 18th-century Paris, where a handful of brilliant and colorful pioneers developed all the essential features of today's hot air and gas balloons. Their exploits fascinated Benjamin Franklin, who was serving in Paris as the American ambassador. To explore this burst of innovation, NOVA re-creates key flights, including the world's first manned voyage on November 21, 1783. A descendant of the Montgolfier brothers, who invented the hot-air balloon, will join a team to build an accurate replica of the fragile paper and canvas craft using 18th-century tools and materials. NOVA evokes the thrilling and daunting prospect that the balloon pioneers faced as they left Earth for the first time.

First Air War (#4118#) Duration: 56:46 STEREO TVPG-V

When World War I began in 1914, the air forces of the opposing nations consisted of handfuls of rickety biplanes from which pilots occasionally took pot shots at one another with rifles. By 1918, the fighter had become an efficient killing machine with a growing strategic impact on the outcome of the war. With the help of aviation buffs dedicated to bringing back classic WWI fighters, NOVA joins the team as they uncover the secrets of some of aviation's most colorful and deadly early flying machines and explores how their impact played a key role in the nightmare slaughter of the Western Front.