Martin and Chris are on a mission in the Arctic to discover just how animals move around in different environments. Their new knowledge of both buoyancy and traction comes in handy when they discover that the dastardly Zach Varmitech has kidnapped a Walrus calf and a Polar bear cub. The Wild Kratts team will do whatever it takes to return the baby animals to their mothers!

Animals Featured: Walrus, Polar bear

Never Before or Rarely Seen Wildlife Moments: Walrus and Polar bear battle, Walrus using pharyngeal throat sacs as built in life preservers to float on stormy seas.