This is the ultimate hidden kingdom - the urban jungle. In the colourful and chaotic streets of Rio, a young marmoset is separated from his street gang and forced to confront of the dangers of the city alone. In the futuristic metropolis of Tokyo, a rhinoceros beetle escapes his captors and begins an extraordinary journey through this alien world to find sanctuary.
A look across Hawaii's varied islands, discovering how they were made, and how its wildlife thrives. The most remote island chain on Earth, its tropical shores are hard to reach. However, for the hardy creatures that have made it there, such as the waterfall-climbing fish, carnivorous caterpillar and Laysan albatross, a land of opportunity awaits. From newly formed lava fields, to lush jungles, and vibrant coral reefs, these diverse and beautiful islands have it all. As this documentary reveals, its people are looking to the future and attempting to protect and foster its flora and fauna.