When Moonbear and his friend Little Bird see a kangaroo in the backyard, they think they must be dreaming, so they do things they would not do if they were awake.
After Miss Clark brings a new class pet, Dexter the hamster, into the classroom, Dexter soon escapes from his cage and it is up to brother and sister mice, Molly and Jake, to show him how to survive when you're not someone's pet.