Chris and Martin witness a mother Walrus and mother Polar Bear fight each other to rescue their babies.

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

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.

Aviva challenges the brothers to prove the creature powers of these little birds and if they do, she will create a Chickadee Creature Power Suit.