The team witnesses the incredible journey of the great hammerhead shark and they discover the secrets of how these animals navigate the vast ocean.

The team tries to tag the sixgill shark and learn more about its nightly patterns hunting for food in the abyss and the team tags and retrieves valuable data.

The team is in Norway, where this ice world is changing faster than anywhere else on Earth and to figure out if polar bears are adapting to their environment.

The team travels to the Dominican Republic in the Caribbean to reveal the greatest secrets in the lives of the North Atlantic humpback whale.

An orca family's success relies on the experience of their 60-year-old matriarch, while a first-time bear mother must raise her three cubs alone.

In the towering walls of Tanzania's Ngorongoro crater, the sisters of a lion pride clash with a hyena clan ruled by an all-powerful queen.

In the Congo forest, a young bonobo must leave behind everything she knows to find her place in a world where friendship means survival.

Under the rainforest canopy, two tiny insect queens build their empires, one through great sacrifice and the other through betrayal.

In the Ethiopian mountains, a gelada monkey and an Ethiopian wolf fight for their families and legacy in a world of ancient Ethiopian mountain peaks.

Some of the smallest animals make epic journeys, flying around the world to find the best place to raise a family, from the swallow to the monarch butterfly.

The Arctic is a tough place to be a parent when one must lead one's family on a journey to survive, from the polar bear mom guiding her tiny cubs out to sea.

When one lives at the very end of the Earth, there's no place like home; animals race south to make the most of the short Antarctic summer.

In the wilds of Alaska, there's one journey that rules them all, the great salmon run; a female salmon battles a torrent of obstacles to spawn.

Animals learn to live life on the move as they chase the rains across the African savannah, from the zebra foal finding her feet in the greatest land migration.

Featuring the dedicated mothers who risk it all to bring new life into the world, from the humpback whale to the green turtle laying her eggs on the beach.

Bertie Gregory uncovers the hidden world of bees and their extraordinary talents. Follow the life of a single bee as her family races toward winter.

The honeybee hive is recovering and preparing for winter, but what are the threats bees face worldwide, and how can humanity help them survive?

In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth, and they are the secret to surviving their extreme world.