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.

This widely praised by critics film was created with cooperation from Paul McCartney, Ringo Starr and the widows of John Lennon and George Harrison. Filmmaker Peter Jackson delves into invaluable footage archives to make a film that shows the truth about the Beatles recording together the album Let it Be, which had the working title of Get Back. The production employed film restoration techniques developed for Jackson's previous works on sixty hours of film footage and 150 hours of audio, spending four years in editing the series. The final cut covers 21 days in the studio with the Beatles and climaxes with the full 42-minute rooftop concert.
In part I, the Beatles begin rehearsing at Twickenham Studios for what is at first meant to be a television special about the recording of their next album leading up to a live show at a location to be determined. During the sessions, Paul McCartney and George Harrison play some songs that would later appear on their respective solo albums. After seven days of rehearsals, Harrison abruptly leaves the group.

From crunchy crickets to nutty fly grubs, the film takes a tasty look at insect foods and how they could benefit our health and our warming planet. From Thailand to Texas, insect farmers are showing how the tiny critters stack up as an environmentally friendly alternative to beef protein and can, pound for pound, deliver better nutritional value than the finest steak. But will western people overcome the 'ick' factor and share the appetite of many cultures around the world for insect feasts?

600 miles off the coast of South America in the Pacific Ocean there are 120 tropical islands that erupted from the deep ocean floor more than 10 million years ago. Journey from the lava ramparts to its fiery heart, we'll discover how the Galapagos archipelago became one of the most important areas of biodiversity in the world.
Those swept here by storms and currents survived million to one odds to find untouched islands free from competition. These hardy pioneers evolved in remarkable ways in what's known as Nature's Greatest Experiment. Home to bizarre specialists and unexpected giants, the most precious collection of island creatures on Earth.

The day of the Nazaré competition has arrived, and Garrett McNamara decides not to compete but instead support his long-time friend and teammate Andrew 'Cotty' Cotton. The competition does not go smoothly, with a major accident that has secondary effects on Cotty. After the competition, Garrett tries surfing at Nazaré again and realizes that can resume big-wave surfing. The episode concludes with retrospectives from a number of the surfers who appeared on various episodes throughout the season.

As dozens of top surfers from across the world arrive in Nazaré to train and prepare for a major big-wave competition, Garret McNamara continues to struggle with his physical injuries and mental preparedness. He knows he is not ready to surf in the competition but seeing the other surfers makes him consider competing anyway. Garrett also has misgivings about the state of safety plans at the competition, and tries to convince the organizers to beef up their plans.