Dylan Dreyer explores the Amazon River Islands in the heart of South America; the Amazon and Orinoco Rivers as well as the rainforest provide a rich environment for fascinating animals from high-flying squirrel monkey to slow-moving sloths.

Dylan Dreyer returns to the Philippines where people call the mangrove forests home and use the rivers and streams as a means of transportation, food and fun; in the trees, macaques play and tree nymphs turn into beautiful butterflies.