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

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

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.

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.

Destiny introduces Dory to her neighbor, Bailey, a beluga whale who claims to have lost his ability to find objects using sound waves. Bailey believes that his head is swollen, but Destiny states that his head is naturally that big because of his species.