Browse episode ratings trends for Secrets of the Penguins. Simply click on the interactive rating graph to explore the best and worst of Secrets of the Penguins's 3 episodes.
Best Episodes of Secrets of the Penguins
Rebels with a Cause
S1 Ep3
8.6
20th Apr 2025
In the Southern Ocean, courageous penguins break the rules to find their edge. Taking risks helps make them the most successful of all.
Worst Episodes of Secrets of the Penguins
Heart of the Emperors
S1 Ep1
8.2
20th Apr 2025
In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth. These bonds are the secret to surviving their extreme world.
Secrets of the Penguins Episode Guide
Heart of the Emperors
S1 Ep1
8.2
20th Apr 2025
In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth. These bonds are the secret to surviving their extreme world.
Survival of the Smartest
S1 Ep2
8.2
20th Apr 2025
The banded penguins venture far beyond their icy homes, mastering deserts, tropical islands—and even city life—to become perhaps the smartest of all.
Rebels with a Cause
S1 Ep3
8.6
20th Apr 2025
In the Southern Ocean, courageous penguins break the rules to find their edge. Taking risks helps make them the most successful of all.
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.
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The best rated episodes of Secrets of the Penguins are:
Rebels with a Cause S1E3 rated 8.6
The lowest rated episodes of Secrets of the Penguins are:
Heart of the Emperors S1E1 rated 8.2
The first episode of Secrets of the Penguins aired on April 20, 2025.
The last episode of Secrets of the Penguins aired on April 20, 2025.
