Secrets of the Penguins: Rebels with a Cause (Nat Geo, Sunday, April 20, 2025)

Secrets of the Penguins Key Art

National Geographic’s “Secrets of the Penguins” concludes its three-part run this Sunday with a look at the tough, resilient penguins that call the Southern Ocean home. “Rebels with a Cause” takes us to the isolated, rocky outposts where rockhoppers, gentoos, and macaronis thrive against the odds.

National Geographic Explorer Bertie Gregory continues his penguin odyssey, encountering a world of risk-takers and unconventional parents. 40 million penguins inhabit these islands, making them some of the most successful penguin species on Earth.

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Gregory, who spent over two years collaborating with scientists for this project, uses cutting-edge camera technology to capture stunning footage of these remarkable birds in their natural habitat. “Rebels with a Cause” airs this Sunday at 10:00 PM ET on National Geographic.

Andrew Martins, reviewer, recapper, deep diver, scifi specialist. Thinks Blakes 7 is better than Star Trek. Yes I do go to fan conventions and no I don't dress up. Well okay maybe I do a bit.