All Past Episodes
56:46 | #102 | TV-PG
The Amazon amasses one-fifth of Earth's freshwater as it flows east from the Andes to the Atlantic. Boiling streams, crystal clear lagoons, pink river dolphins, and a strange new reef are some of its many secret and extreme worlds.
56:46 | #101 | TV-PG
The Nile, the world's longest river, provides a lifeline for Africa's wildest beasts and incredible cultures.