First, George accidentally frees some of the animals at the zoo. Then, George discovers that different animals make different tracks. Next, George learns that all living things behave in different ways. Then, George designs and builds the perfect pigeon perch. Next, George must gather and analyze evidence to prove that Gnocchi has been wrongfully accused. Then, George realizes that dogs come in all different shapes and sizes. Next, George learns a lesson about growth and how squirrels store their food in the ground. Lastly, George discovers the meaning of "life cycle" when he babysits his friend's pet tadpoles.