The WORST episodes of Secrets of the Penguins

Every episode of Secrets of the Penguins ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Secrets of the Penguins!

Groundbreaking documentary exploring lives of charismatic penguins in remote, inhospitable regions worldwide with state-of-the-art technology and unparalleled access, courtesy of National Geographic.

Last Updated: 10/10/2025Network: National GeographicStatus: Ended
Survival of the Smartest
star
8.00
23 votes

#1 - Survival of the Smartest

Season 1 - Episode 2 - Aired 4/20/2025

Millions of years ago, a group of penguins left the ice in search of more, discovering new habitats. Bertie Gregory learns about penguin problem solving, 'talking', and their continuing search for new worlds.

Watch Now:Amazon
Heart of the Emperors
star
8.04
25 votes

#2 - Heart of the Emperors

Season 1 - Episode 1 - Aired 4/20/2025

The emperor penguin lives in Antarctica, the coldest and most extreme place on the planet. This specimen is the largest and strongest of all its congeners. From birth, it develops bonds that make the difference between life and death.

Watch Now:AmazonApple TV
Rebels with a Cause
star
8.26
19 votes

#3 - Rebels with a Cause

Season 1 - Episode 3 - Aired 4/20/2025

Bertie Gregory follows the only three types of penguins can survive the fierce Southern Ocean and its isolated, rocky outposts. They are the Yellow-plumed, Orange-plumed and Gentoo species. All are reckless and unconventional.

Watch Now:AmazonApple TV