NOVA

Diseases that were largely eradicated in the United States a generation ago-including whooping cough, measles, mumps-are returning, in part because nervous parents are skipping their children's shots. Vaccines - Calling the Shots takes viewers around the world to track epidemics, explore the science behind vaccinations, and shed light on the risks of opting out.

Computers hold our treasured photographs, private emails, and all of our personal information. This data is precious--and cybercriminals want it. NOVA investigates how a new global geek squad is harnessing cutting-edge science--all to stay one step ahead of the hackers.

A descendant of the Montgolfier brothers, who invented the hot air balloon will join a team to build a highly accurate replica of the fragile paper and canvas craft using 18th century tools and materials.

When World War I began in 1914, the air forces of the opposing nations consisted of handfuls of rickety biplanes. By the war's end, the blueprint of the modern fighter aircraft had emerged. NOVA takes viewers inside The Vintage Aviator, a team of New Zealand-based aviation buffs dedicated to bringing back classic World War One fighters.

Almost a century ago, paleontologists found the first hints of a monster even bigger than Tyrannosaurus Rex, perhaps the largest predator ever to walk the Earth: fossil bones from a dinosaur dubbed Spinosaurus.

In central China, a vast underground mausoleum conceals a life-size terracotta army built to serve China's first emperor, Qin Shi Huang Di, in the afterlife. Emperor's Ghost Army reveals how the Emperor directed the manufacture of the tens of thousands of bronze weapons carried by the clay soldiers including lethal crossbows engineered with astonishing precision.

On March 22, 2014, an ominous rumble startled the residents of Oso, Washington. It was the terrifying sound of what would become the United States' deadliest landslide in decades. But all around the world, scientists have reason to fear that the worst is yet to come.

NOVA presents an intimate portrait of Neil Armstrong through interviews with his family and friends, many of whom have never spoken publicly before. Seen through the eyes of those who were close to him, the film explores the man behind the myth, and also reveals his unsung achievements as a Navy combat veteran and pioneer of high speed flight.

In an era of smart-phones and GPS, how could a 270-ton passenger jet vanish into thin air? 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?

As the Ebola epidemic threatens to spiral out of control, NOVA reports from the hot zone, where courageous medical teams struggle to cope with a flood of victims, to labs where scientists are racing to test vaccines and find a cure. Surviving Ebola includes chilling first-hand interviews of what it's like to catch--and--survive this terrible affliction.