Secrets of the Penguins (2025): cast, story & where to watch
2025 · Series · ★ 7.4
Released in 2025, Secrets of the Penguins is a documentary series.
What it’s about. 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.
Who’s in it. Secrets of the Penguins stars Blake Lively as Self - Narrator (voice) and Bertie Gregory as Self - Explorer.
How it landed. With an audience score of 7.4/10, Secrets of the Penguins has been warmly received by audiences.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Secrets of the Penguins page.
If you liked it. Fans of Secrets of the Penguins tend to enjoy Cosmos, Planet Earth, Planet Earth II and Vikings.
Frequently asked
- Where can I watch Secrets of the Penguins (2025)?
- Streaming, rental and purchase options for Secrets of the Penguins change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Secrets of the Penguins worth watching?
- Secrets of the Penguins holds an audience score of 7.4 out of 10, and is a strong pick if you enjoy documentary. Most viewers rate it highly.
- Who stars in Secrets of the Penguins?
- Secrets of the Penguins stars Blake Lively and Bertie Gregory.
- When was Secrets of the Penguins released?
- Secrets of the Penguins was released in 2025.