Secrets of the Penguins backdrop
Documentary

The Worst Episodes of Secrets of the Penguins

Every episode of Secrets of the Penguins ranked from worst to best. Explore the Worst Episodes of Secrets of the Penguins!

Binge this in 2h 17m•Peaking at 8.7/10

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

Airs on
National Geographic
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Episode Rankings

  1. #1 Worst Episode
    Click to reveal
    Secrets of the Penguins Season 1 Episode 2 - Survival of the Smartest
    8.3/10(55 votes)

    #1 - Survival of the Smartest

    S1:E2

    The banded penguins venture far beyond their icy homes, mastering deserts, tropical islands—and even city life—to become perhaps the smartest of all.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Secrets of the Penguins Season 1 Episode 3 - Rebels with a Cause
    8.6/10(54 votes)

    #2 - Rebels with a Cause

    S1:E3

    In the Southern Ocean, courageous penguins break the rules to find their edge. Taking risks helps make them the most successful of all.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Secrets of the Penguins Season 1 Episode 1 - Heart of the Emperors
    8.7/10(84 votes)

    #3 - Heart of the Emperors

    S1:E1

    In Antarctica, emperor penguin societies reveal mysterious bonds forged from birth. These bonds are the secret to surviving their extreme world.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Worst Episodes Summary

"Survival of the Smartest" is the worst rated episode of "Secrets of the Penguins". It scored 8.3/10 based on 55 votes. Directed by Unknown and written by Unknown, it aired on 4/20/2025. This episode scored 0.3 points lower than the second lowest rated, "Rebels with a Cause".