Season 1
10 episodes · Apr 21, 2023
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S1E1The Grey Whale
Apr 21, 202330mEmbarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.
S1E2The Elephant Seal
Apr 21, 202329mA four-ton elephant seal returns to his breeding beach on the cusp of summer—and quickly learns the competition for females is fierce.
S1E3The Giant Otter
Apr 28, 202328mIn the Brazilian Pantanal—a wetland larger than England—a six-foot otter attempts to raise her cubs in the shadow of hungry jaguars.
S1E4The Gorilla
May 5, 202330mMakumba 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.
S1E5The Hippo
May 5, 202330mIn Earth's largest inland delta, Africa's deadliest mammal fights to keep his family afloat as the dry season approaches.
S1E6The Brown Bear
May 5, 202326mRocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.
S1E7The Ostrich
May 12, 202325mA blazing sun scorches the African savanna, where the planet's biggest bird protects his eggs and giraffes struggle to fuel their towering bodies.
S1E8The Orangutan
May 12, 202327mIn Borneo, apes and monkeys train their babies in the treetops, but with gravity against them, the stakes are high—and crocodiles lurk below.
S1E9The Tiger
May 19, 202330mMonsoon season drives giants toward higher ground, and big cats battle it out to claim dwindling territory in an Indian valley.
S1E10The Polar Bear
May 19, 202330mSubzero temperatures force polar bears to bulk up—but as summer returns and the planet grows warmer, they find themselves on thin ice.