The series follows the tragedy that occurred when terrorists attacked at the annual Boston Marathon on April 15, 2013. They carried out the attack by placing two homemade pressure cooker bombs which detonated near the finish line of the race 14 seconds and 210 yards (190 m) apart. That resulted in three fatalities and hundreds injured, including 17 who lost limbs. With the help of archive footage, interviews with investigators, witnesses, survivors, and occasional reenactments, it offers details about the FBI investigation into what was quickly deemed a domestic terrorist attack.
In the first episode, hours after the blasts, investigators pore over evidence. One photo and a few seconds of footage lead to a breakthrough - and an agonizing choice.

The third episode unveils the enigmatic world of octopuses, long believed solitary creatures, revealing their unexpected social behaviors. Follow Dr. Alex Schnell as she forms a unique bond with Scarlett, a shy female day octopus, challenging the long-held belief that these creatures are ultimate loners. Witness intense interactions, from rival confrontations to cooperative hunting with other species, shedding light on the complex social dynamics of these intelligent beings. The film also takes you deep beneath the ocean to octopus nurseries and an extraordinary octopus oasis where multiple species coexist.
Discover how octopuses use their remarkable problem-solving abilities and sophisticated communication to navigate their environments and form selective social interactions. ‘Social Networkers’ redefines our understanding of these ancient, intelligent marine animals and their secret social lives, making it a must-watch for nature enthusiasts and curious minds alike.

The second episode dives deeper into the enigmatic world of octopuses, uncovering the extraordinary intelligence of these cephalopods. From their ability to change color and shape in an instant to their sophisticated use of tools, this documentary reveals how octopuses navigate and survive in the ocean's most challenging environments. The documentary explores the profound cognitive abilities of octopuses, highlighting their potential for future planning, problem-solving, and even dreaming.
Witness the coconut octopus's ingenious stilt-walking and shell-wielding tactics, and marvel at the giant Pacific octopus's intricate hunting strategies. Through stunning underwater footage and insights from leading scientists like Dr. Alex Schnell and Dr. C.E. O'Brien, viewers are invited to rethink what they know about intelligence in the animal kingdom. This captivating film showcases the remarkable adaptability and creativity of octopuses, making it a must-watch for anyone fascinated by the mysteries of the ocean.

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.

In the first episode, Sir David Attenborough reveals the unexpected wildlife riches of the British Isles, showcasing the dramatic and spectacular habitats that rival any across the globe. This journey uncovers the diversity of life in the UK's unique landscapes, from the intricate world of bumblebees to the swift lives of kingfishers. The episode captures extraordinary scenes of nature, including killer whales preying on seals, golden eagles in the Scottish mountains, the cunning tactics of woodland plants, and the perilous life of puffins evading gulls. It highlights Britain's geological diversity as a cornerstone of its natural wealth, contributing to an array of habitats and supporting a wide range of life.
Britain's importance extends to being a haven for migratory birds, with our seas feeding 65% of the world's gannets and supporting the largest colony of northern gannets on Scotland's Bass Rock. The west coast of Scotland offers sanctuary to barnacle geese due to its abundant food and mild climate, though they remain vigilant against hunting sea eagles. Despite these natural treasures, Britain faces challenges as one of the most nature-depleted countries globally. Sir David Attenborough emphasizes the need to conserve and restore these wild isles for the enjoyment and benefit of future generations.

This featured episode of the documentary series takes viewers on a captivating journey around the world, showcasing the astonishing ways in which animals adapt to living alongside humans. In Sauraha, Nepal, a rhino navigates through human-inhabited areas in search of food. In Bali, long-tailed macaques have learned to trade stolen items for food, demonstrating their intelligence and adaptability. The bustling streets of New York City are home to pavement ants that thrive on human leftovers, while in India, revered cobras coexist with humans in a unique cultural relationship.
Melbourne, Australia, features nocturnal frogmouths benefiting from urban lighting for hunting, and Lake Tahoe in North America sees black bears adapting to easy food sources in human settlements. The documentary also delves into the challenges faced by wildlife due to human expansion and climate change. It highlights the plight of African elephants in Kenya conflicting with farmers, the impact of overfishing on humpback whales in Vancouver Island, and the dramatic increase of desert locusts in northeastern Africa due to climate-induced conditions.
The episode concludes by emphasizing the importance of reimagining our relationship with nature. It suggests a shift towards plant-based diets to reduce agricultural land use and the potential of vertical farming technologies, offering hope and solutions for a sustainable coexistence with wildlife.