The Best Episodes of Big Beasts Season 1

Embarking on an epic journey for food, a mother whale leads her calf on the longest migration of any mammal.

Director: David John

Writer: N/A

A four-ton elephant seal returns to his breeding beach on the cusp of summer—and quickly learns the competition for females is fierce.

Director: David Johnson, Eva Spielvogel

Writer: N/A

In the Brazilian Pantanal—a wetland larger than England—a six-foot otter attempts to raise her cubs in the shadow of hungry jaguars.

Director: Alice Clarke

Writer: N/A

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.

Director: Robert Wilcox

Writer: N/A

In Earth's largest inland delta, Africa's deadliest mammal fights to keep his family afloat as the dry season approaches.

Director: Emma Houghton-Brown

Writer: N/A

Rocky Mountain summers are fleeting, leading local bears to gain weight, sharpen defenses, and engage in a dynamic fight for domination.

Director: Alice Clarke

Writer: N/A

A blazing sun scorches the African savanna, where the planet's biggest bird protects his eggs and giraffes struggle to fuel their towering bodies.

Director: Ed Watkins

Writer: N/A

In Borneo, apes and monkeys train their babies in the treetops, but with gravity against them, the stakes are high—and crocodiles lurk below.

Director: Emma Houghton-Brown

Writer: N/A

Monsoon season drives giants toward higher ground, and big cats battle it out to claim dwindling territory in an Indian valley.

Director: David Johnson

Writer: N/A

Subzero temperatures force polar bears to bulk up—but as summer returns and the planet grows warmer, they find themselves on thin ice.

Director: Ed Watkins

Writer: N/A