S01E01 Heart of the Emperors
In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth. These bonds are the secret to surviving their extreme world.
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.