
Big Beasts
Travel from freezing poles to tropical rainforests to meet nature’s most captivating giants, who prove being big comes with enormous challenges.
Travel from freezing poles to tropical rainforests to meet nature’s most captivating giants, who prove being big comes with enormous challenges.
10 Episodes
Embarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.
April 21, 2023A four-ton elephant seal returns to his breeding beach on the cusp of summer—and quickly learns the competition for females is fierce.
April 21, 2023In the Brazilian Pantanal—a wetland larger than England—a six-foot otter attempts to raise her cubs in the shadow of hungry jaguars.
April 28, 2023Makumba is one of the best studied gorillas in the world. Now past his prime, he must find new ways to maintain his status as king of the jungle.
May 5, 2023In Earth's largest inland delta, Africa's deadliest mammal fights to keep his family afloat as the dry season approaches.
May 5, 2023Rocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.
May 5, 2023A blazing sun scorches the African savanna, where the planet's biggest bird protects his eggs and giraffes struggle to fuel their towering bodies.
May 12, 2023In Borneo, apes and monkeys train their babies in the treetops, but with gravity against them, the stakes are high—and crocodiles lurk below.
May 12, 2023Monsoon season drives giants toward higher ground, and big cats battle it out to claim dwindling territory in an Indian valley.
May 19, 2023Subzero temperatures force polar bears to bulk up—but as summer returns and the planet grows warmer, they find themselves on thin ice.
May 19, 2023