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

Secrets of the Penguins cinematographer, Bertie Gregory, shares the memorable moment he filmed baby penguins leaping from a 50-foot cliff with PEOPLE.

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

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

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

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

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

Once the cameras were cold, they were cold.” In advance of the shoot, Gregory and his team freezer tested some camera options ...

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 ...

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

The new National Geographic series, “Secrets of the Penguins,” premieres Sunday, April 20 at 8 p.m. ET. Stream the first ...