"Secrets of the Penguins" cinematographer Bertie Gregory describes how the birds would practically "break the fourth wall" ...

Footage Bertie Gregory filmed for National Geographic's 'Secrets of the Penguins' captures baby penguins making daring leaps ...

These emperor penguin chicks showed extreme bravery in the new Secrets of the Penguins documentary through National ...

Secrets of the Penguins is the latest entry in National Geographic's Secrets of series after whales, octopi and elephants, ...

National Geographic celebrates Earth Month with some flightless, feathered friends in "Secrets of the Penguins," streaming ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother ...

An early clip from this new series, narrated by Blake Lively, was viewed more than 8 million times. Here’s what it takes to get the world talking about penguins.

A deep and exclusive look inside National Geographic's ambitious Secrets of the Penguins with host Bertie Gregory.

What particularly interested Cameron—himself a pioneer in underwater and deep-ocean filmmaking technology —were the custom ...

The documentary, made by National Geographic, is hosted by wildlife filmmaker Bertie Gregory and narrated by Blake Lively.

The documentary 'Secrets of the Penguins' offers viewers a new perspective on penguins' challenges. Voiced by Blake Lively ...

Footage Bertie Gregory filmed for National Geographic's 'Secrets of the Penguins' captures baby penguins making daring leaps Kelli Bender is the Pets Editor at PEOPLE. She has been working at ...