Be it foxes on city streets or wolves on the tundra, canines rely on sharp senses, athleticism and fierce determination to punch above their weight. But the real secret of their success is much more surprising. It's a story of their intimate side. It's what makes every dog, from pet pooch to wild dogs, one of the family.

After losing his drive to continue surfing at Nazaré, Garrett McNamara decides to return to competitive surfing at other big-wave sites. In order to compete in a tournament at California's Mavericks surf site, he must surf there regularly, something that he has done many times in the past. McNamara returns to Mavericks only to suffer a horrific injury on a wave he should have aced.

In every ocean… just beyond our shores…lives an animal with characteristics we think of as ‘human’ – intelligent, social, curious, gentle, and fierce. They build cities, use tools, and collaborate with other species to hunt. They have personalities – some are bold, while others shy. These animals can change their skin colour, texture, and body shape in a blink of an eye and see in wavelengths beyond our vision. Recent studies reveal octopuses’ consciousness, sophisticated decision-making, and unique personalities. On tropical reefs, in frigid waters, from the shoreline to the deep sea and everywhere in between, the octopus have made a home. Join us as we reveal ‘Secrets of the Octopus’.
In the first chapter, whether transforming their body shape and color to disappear or mimicking their deadliest enemy, Octopus use shape-shifting superpowers to survive.

With the Doomsday Clock the closest it's ever been to midnight, Jane Corbin investigates the proliferation of nuclear weapons across the globe. She visits Los Alamos, home to the United States’ nuclear weapons development facility and the historic home of Oppenheimer’s Manhattan Project.
In Scotland, she reveals the strategy behind Britain’s nuclear deterrent, and speaks to campaigners in Suffolk fighting against US weapons they fear will be based on UK soil. Jane also discovers how many of the global agreements and safeguards that have constrained the spread of nuclear weapons since the 1970s are breaking down.
This is a story told by the scientists, investigators and diplomats who set the clock and have fought to ensure that the ultimate deterrent has not been used in over 70 years.

In this captivating final episode of the series we meet some incredible conservation champions on nature's front line, fighting to preserve the future of our beautiful planet. The episode opens with a dramatic rescue operation for the critically endangered black rhino, showcasing the efforts of Dumi Zwane and his team to establish a new breeding colony in a safe haven. The focus then shifts to the Centro Jambatu research center in the Andes, where Jaime Culebras works tirelessly to save the last of certain frog species. The documentary also highlights the efforts of Trang Nguyen, who bravely infiltrates the illegal wildlife trade in West Africa to protect forest elephants from ivory poachers. Meanwhile, in Vienna, Katharina Huchler undertakes a remarkable journey to reintroduce the northern bald ibis to Europe after its extinction 400 years ago. Indigenous leader Alessandra Korap's battle to preserve the Amazon rainforest from exploitation is a key focus, alongside Mohamed Nasheed's fight against climate change to save coral reefs and his country.
This episode addresses the broader issue of habitat destruction, emphasizing its role as a primary driver of extinction. It poignantly demonstrates the interconnectivity of life on Earth and the critical importance of conservation efforts.

In the extraordinary final chapter, viewers are taken on a global journey to review regions renowned for their extreme longevity. From picturesque Sardinia to the serene landscapes of Okinawa and the vibrant community in Loma Linda, the film uncovers the secrets behind these remarkable Blue Zones. It offers a fascinating glimpse into the unique lifestyles and community dynamics that contribute to the residents' exceptional health and long lives, leaving viewers intrigued by the possibilities of enhancing their own well-being.
The film doesn't stop at showcasing these remarkable places; it also delves into innovative approaches to improve public health. By highlighting initiatives like Singapore's Proximity Housing Grant and the transformative Blue Zones project, the episode encourages viewers to reflect on the impact of environment and policy on individual health. Ultimately, it leaves audiences pondering how they can adapt these life-enhancing principles to enrich their own lives.