第 1 季 共 10 集
播出时间:2023年4月21日
第 1 集 The Grey Whale
播出时间:2023年4月21日
Embarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.
第 2 集 The Elephant Seal
播出时间:2023年4月21日
A four-ton elephant seal returns to his breeding beach on the cusp of summer—and quickly learns the competition for females is fierce.
第 3 集 The Giant Otter
播出时间:2023年4月28日
In the Brazilian Pantanal—a wetland larger than England—a six-foot otter attempts to raise her cubs in the shadow of hungry jaguars.
第 4 集 The Gorilla
播出时间:2023年5月5日
Makumba 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.
第 5 集 The Hippo
播出时间:2023年5月5日
In Earth’s largest inland delta, Africa’s deadliest mammal fights to keep his family afloat as the dry season approaches.
第 6 集 The Brown Bear
播出时间:2023年5月5日
Rocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.
第 7 集 The Ostrich
播出时间:2023年5月12日
A blazing sun scorches the African savanna, where the planet’s biggest bird protects his eggs and giraffes struggle to fuel their towering bodies.
第 8 集 The Orangutan
播出时间:2023年5月12日
In Borneo, apes and monkeys train their babies in the treetops, but with gravity against them, the stakes are high—and crocodiles lurk below.
第 9 集 The Tiger
播出时间:2023年5月19日
Monsoon season drives giants toward higher ground, and big cats battle it out to claim dwindling territory in an Indian valley.
第 10 集 The Polar Bear
播出时间:2023年5月19日
Subzero temperatures force polar bears to bulk up—but as summer returns and the planet grows warmer, they find themselves on thin ice.