Round Planet

Episode 2

Yellowstone

Serene as it seems, Yellowstone National Park is more unpredictable than an atom of Radium-226, thanks to the active super volcano below it.

Episode 3

Oceans

Most of Earth's animals live in the sea, where they form a "living soup" or a "massive death chowder" in which it's eat or be eaten.

Episode 4

Wildebeest

The wildebeest, one of the many species of ungulates and "cud munchers" that populate the Serengeti, take part in a grand migration every year.

Episode 5

Madagascar

Many of the flora and fauna of Madagascar are found nowhere else on Earth, which is why the island isn't called "Normal-a-gascar."

Episode 6

Penguins

Penguins, "the natural world's answer to Charlie Chaplin," only have to waddle about to make children -- and Amstrong Wedgewood -- smile.

Episode 7

Islands

Life on islands evolves in isolation from the wider world, and in a manner that is "absolutely potty." Much of this life is weird and wonderful.

Episode 8

Great Apes

The great apes, not to be confused with monkeys, have opposable thumbs, complex social politics and other "phenomenally humanlike" qualities.

Episode 9

Forests

In forests, the perfect combination of sunlight and rain "makes trees grow like billy-o." Among these trees, an entire world springs into being.

Episode 10

Bears

Armstrong narrates a focus on bears, the largest land predators on Earth which, surprisingly, forage for some of the smallest meals available.