S01E01 The Grey Whale
Embarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.
Big Beasts
Never so big. Never so close.
Overview
Travel from freezing poles to tropical rainforests to meet nature’s most captivating giants, who prove being big comes with enormous challenges.
Episodes
S01E02 The Elephant Seal
A four-ton elephant seal returns to his breeding beach on the cusp of summer—and quickly learns the competition for females is fierce.
S01E03 The Giant Otter
In the Brazilian Pantanal—a wetland larger than England—a six-foot otter attempts to raise her cubs in the shadow of hungry jaguars.
S01E04 The Gorilla
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.
S01E05 The Hippo
In Earth's largest inland delta, Africa's deadliest mammal fights to keep his family afloat as the dry season approaches.
S01E06 The Brown Bear
Rocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.
S01E07 The Ostrich
A blazing sun scorches the African savanna, where the planet's biggest bird protects his eggs and giraffes struggle to fuel their towering bodies.
S01E08 The Orangutan
In Borneo, apes and monkeys train their babies in the treetops, but with gravity against them, the stakes are high—and crocodiles lurk below.
S01E09 The Tiger
Monsoon season drives giants toward higher ground, and big cats battle it out to claim dwindling territory in an Indian valley.
S01E10 The Polar Bear
Subzero temperatures force polar bears to bulk up—but as summer returns and the planet grows warmer, they find themselves on thin ice.
Cast
Tom Hiddleston
Self - Narrator (voice)
