Can We Save the Reef?

Octopuses are like aliens on Earth: three hearts, blue blood and the ability to squeeze through a space the size of their eyeballs. But there is so much more to these weird and wonderful animals. Intelligent enough to use tools or transform their bodies to mimic other animals and even communicate with different species, the secrets of the octopus are more extraordinary than we ever imagined.

Skinhead culture started as multi-cultural, working-class, and anti-racist, but soon was co-opted by white supremacy. To fight back against Nazis, the Baldies were formed in Minneapolis and beyond.

Almost 70 years after its sinking, the powerful headlights of two high-tech research submersibles illuminate the silhouette of the biggest German battleship ever. The pride of the German Kriegsmarine: Bismarck. In 1941 the Bismarck was sent out to raid and destroy allied supply convoys in the North Atlantic. With resources vital to their nation under threat, the British fleet went after this supposedly unsinkable ship. But who actually sank the steel giant?

In recent years, an unusual spate of deadly shark attacks has gripped Australia, resulting in five deaths in 10 months. At the same time, great white sharks have begun appearing in growing numbers off the beaches of Cape Cod, Massachusetts, not far from the waters where Steven Spielberg filmed Jaws. What's behind the mysterious arrival of this apex predator in an area where it's rarely been seen for hundreds of years? Are deadly encounters with tourists inevitable? To separate fact from fear, NOVA teams with leading shark experts in Australia and the United States to uncover the science behind the great white's hunting instincts. With shark populations plummeting, scientists race to unlock the secrets of these powerful creatures of the deep in their quest to save people -- and sharks.

Sigourney Weaver guides viewers on a journey to the heart of whale culture to experience the extraordinary communication skills and intricate social structures of five different whale species. With the help of new science and technology, viewers witness whales making lifelong friendships, teaching clan heritage and traditions to their young and grieving deeply for the loss of loved ones.

Far from civilization, a team of scientists, led by Dr. Enric Sala and joined by Explorer-in-Residence Mike Fay, search in a wilderness of waves for ancient secrets and living treasures. In the most comprehensive survey ever attempted, our scientists discover a hidden world found no where else on earth. Full of coral, fish, and, especially, sharks - this is a world where predators outnumber prey. What they find could change our understanding of coral reefs forever. Enric Sala and his team search for the key to save our planet's reefs... in a hidden paradise called Shark Eden.

Exploring the vital role colour plays in the daily lives of many species.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Mort Rainey, a writer just emerging from a painful divorce with his ex-wife, is stalked at his remote lake house by a psychotic stranger and would-be scribe who claims Rainey swiped his best story idea. But as Rainey endeavors to prove his innocence, he begins to question his own sanity.

In the pivotal struggle for WWII victory, the race to develop the first atomic bomb was critical to secure world dominance; now, experts reveal new evidence behind Nazi Germany's top-secret and cutting-edge development of catastrophic nuclear weapons.

Even the biggest, fastest and fiercest predators start as babies. Baby sharks are cute, but they need to grow up fast because out of more than 500 species of sharks, not one parent sticks around to help raise them. Sharks are found in every ocean across the planet and have evolved in extraordinarily different ways to carry their young and give birth and for baby sharks to thrive.

Dumped by her loser boyfriend, Erin's love life hits rock bottom when her overbearing mother places an embarrassing ad in the "personals" section of a local newspaper on her behalf. Erin's disgust turns to curiosity as she searches for the right guy in a hilarious series of disastrous dates. Meanwhile, a lonely ex-plumber named Alan clumsily searches for his dream job while narrowly missing one chance meeting with Erin after another.

Embark on a month-long expedition to explore stunning coral reefs, shallow water environments, and rare species in America's newest marine sanctuary, Papahanamokuakea Marine National Monument.