Travel from freezing poles to tropical rainforests to meet nature’s most captivating giants, who prove being big comes with enormous challenges. Narrated by Tom Hiddleston.
EPISODE 1
The Grey Whale
Embarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.
EPISODE 2
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.
EPISODE 3
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.
EPISODE 4
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.
EPISODE 5
The Hippo
In Earth’s largest inland delta, Africa’s deadliest mammal fights to keep his family afloat as the dry season approaches.
EPISODE 6
The Brown Bear
Rocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.
Adventure
Tom Hiddleston
Tom Hugh-Jones
Martha Holmes
Grant Mansfield
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