• NOVA -- Emperor's Ghost Army Preview
    S41 E20: Emperor's Ghost Army Preview
    Explore the buried clay warriors, chariots, and bronze weapons of China’s ...
    0:00:30
  • NOVA -- Ben Franklin's Balloons Preview
    S41 E17: Ben Franklin's Balloons Preview
    Experts recreate the French’s daring first manned flights, which Franklin had ...
    0:00:30
  • NOVA -- First Air War Preview
    S41 E18: First Air War Preview
    How did fighter planes evolve from rickety biplanes to deadly machines during ...
    0:00:30
  • NOVA -- Why Planes Vanish Preview
    S41 E16: Why Planes Vanish Preview
    Can new technology prevent aircraft like Flight MH370 from disappearing without ...
    0:01:16
  • NOVA -- Rise of the Hackers Preview
    S41 E15: Rise of the Hackers Preview
    A new global geek squad is harnessing cryptography to stay a step ahead of ...
    0:00:30
  • NOVA -- Vaccines—Calling the Shots Preview
    S41 E14: Vaccines—Calling the Shots Preview
    Examine the science behind vaccinations, the return of preventable diseases, and ...
    0:00:30
  • NOVA -- Vaccines—Calling the Shots Short Preview
    S41 E14: Vaccines—Calling the Shots Short Preview
    Examine the science behind vaccinations, the return of preventable diseases, and ...
    0:00:20
  • NOVA -- D-Day's Sunken Secrets Preview
    S41 E13: D-Day's Sunken Secrets Preview
    Dive teams, submersibles, and robots explore a massive underwater WWII ...
    0:00:41
  • NOVA -- Escape from Nazi Alcatraz Preview
    S41 E12: Escape from Nazi Alcatraz Preview
    A crack team rebuilds a glider that POWs hoped to catapult off the top of ...
    0:00:30
  • NOVA -- Animal Minds: Smartest Preview
    S41 E10: Animal Minds: Smartest Preview
    Explore the social lives of some of the smartest animals on the planet. ...
    0:00:30
  • NOVA -- Animal Minds: Dogs Preview
    S41 E9: Animal Minds: Dogs Preview
    How do dogs, sharks, dolphins, or birds experience the world? Airing April ...
    0:00:30
  • NOVA -- Animal Minds: Birds Preview
    S41 E8: Animal Minds: Birds Preview
    Birds that craft tools and pick locks are rewriting the rules of animal ...
    0:00:30
  • NOVA -- Why Sharks Attack Preview
    S41 E11: Why Sharks Attack Preview
    Will analyzing the hunting instincts of this endangered predator reduce deadly ...
    0:00:30
  • NOVA -- Wild Predator Invasion Preview
    S41 E7: Wild Predator Invasion Preview
    Can we return apex predators to their natural environments without endangering ...
    0:00:52
  • NOVA -- Great Cathedral Mystery Preview
    S41 E5: Great Cathedral Mystery Preview
    Master craftsmen explore how Florence’s monumental dome was built nearly 600 ...
    0:00:30
  • NOVA -- Roman Catacomb Mystery Preview
    S41 E4: Roman Catacomb Mystery Preview
    Who or what killed hundreds of people hidden in a burial chamber nearly 2,000 ...
    0:00:30
  • NOVA -- Ghosts of Murdered Kings Preview
    S41 E3: Ghosts of Murdered Kings Preview
    Bronze age bog bodies reveal the strange beliefs of the long-vanished peoples of ...
    0:00:30
  • NOVA -- Killer Typhoon Preview
    S41 E6: Killer Typhoon Preview
    What made Haiyan so destructive, and how can we prepare for the next monster ...
    0:00:45
  • NOVA -- Zeppelin Terror Attack Preview
    S41 E2: Zeppelin Terror Attack Preview
    Discover how the first civilian bombing unfolded as Germany’s Zeppelins rained ...
    0:00:30
  • NOVA -- Alien Planets Revealed Preview
    S41 E1: Alien Planets Revealed Preview
    Are we alone—and if not, what might the inhabitants of far-flung worlds look ...
    0:00:30
  • NOVA -- At the Edge of Space Preview
    S40 E23: At the Edge of Space Preview
    Can scientists unravel the mysterious phenomena that lurk between Earth and ...
    0:00:30