Every season of Secrets of the Penguins ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Secrets of the Penguins!

In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth. These bonds are the secret to surviving their extreme world.

Heart of the Emperors

The banded penguins venture far beyond their icy homes, mastering deserts, tropical islands—and even city life—to become perhaps the smartest of all.

Survival of the Smartest

In the Southern Ocean, courageous penguins break the rules to find their edge. Taking risks helps make them the most successful of all.

Rebels with a Cause

Over two extraordinary years, National Geographic Explorer Bertie Gregory discovered never-before-filmed secret traditions, surprising intelligence and close-knit societies of penguins. This astonishing series reveals they are more like us than we ever dreamed, from their powerful friendships to the courageous risk-takers using ingenuity and innovation in some of the world's most extreme places.

The Best Seasons of Secrets of the Penguins

The Best Seasons of Secrets of the Penguins

Season 1