Jimmy is afraid of there being polar bears in the South Pole. The brothers assure him that there won't be any of them here.

The Kratts crew watch the mother lemur while she uses her teeth to groom her baby.

Zach Varmitech spies on the Wild Kratts while they're traveling in the Amazon rainforest. They explain that the rainforest has the highest biodiversity out of any land habitat: it's home to 10% of Earth's creatures. They define it as the amount of plants and animals in a region.

This clip provides an overview of rainforests. It describes their age, unique characteristics, importance to the Earth's overall ecosystem, and importance to modern medicine. It also discusses the recent threat to these habitats: deforestation due to modern industry demands.

Chris and Martin explore the Caribbean Sea and learn how fish use their fins to swim--or fly!