S1E1 - Australian Forests
In ancient woodlands, a crocodile relies on sound to protect her babies, koalas release powerful roars, and an enchanting frog choir communes.
S1E2 - The Himalayas
Mountains act as a huge echo chamber for elusive creatures—like snow leopards—who use the landscape to amplify their rarely heard love songs.
S1E3 - The Rainforests
In one of the richest soundscapes, howler monkeys attempt to out-voice each other and sloths break their silence to search for mates.
S1E4 - The Pacific
Whale songs and dolphin clicks hold hidden meaning in an underwater world full of clever acoustic tricks.
S1E5 - African Plains
Predators listen for frantic footsteps, cocktail ants craft a battle cry, and lions embrace the transformative power of rolling rain and thunder.
S1E6 - Polar Worlds
In subzero conditions, emperor penguins use custom calls to find their families. After dark, the northern lights make mesmerizing music.
S1E7 - African Deserts
Silence may seem golden in the desert, but secret sounds connect curious meerkats—and tip off eavesdropping predators like cobras and eagles.
S1E8 - Atlantic Coasts
Where land meets sea, rockhopper penguins, orca whales, and elephant seals find incredible ways to cut through the chaos.
S1E9 - Winter Woodlands
In North America's forests, a snowy game of hide-and-seek unfolds between foxes and voles. When seasons change, elk strike up a sonic rivalry.
S1E10 - African Water Worlds
The Okavango Delta is awash with sound. And locals—from pied kingfishers to hippos—tune in to life above and below the water to survive.
S1E11 - Shallow Seas
New technology reveals a raucous symphony of pops and squeaks in an underwater amphitheater full of flirtatious fish and graceful manatees.
S1E12 - Listening to Our Planet
Meet the scientists studying sound around the globe to help stop the rapid progression of climate change and wildlife endangerment.