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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 season & episode guide for Secrets of the Penguins is still being assembled — check back soon.
Select anyone for a tight summary — the full story lives on their Person page.