The gang learns about dams./A bird drops a little oyster named Elroy on Nature Cat's head. The gang goes looking for their sleepy hammock and meet a family of beavers using trees to build a dam.

Nature Cat can’t wait to get outside for a day of backyard nature excursions and bravery! But there’s one problem; he’s still a house cat with no real instincts for nature. That doesn’t stop this ...