When Crusher the snake is captured, her only thought is to escape but as time goes by and she befriends the other inmates of the "zoo," she realizes that freedom also means leaving companions behind.

When his classmates learn about Fido, the guinea pig that acts like a dog, they all want a piece of Rufus, her owner. But Rufus hates the attention, and decides to make Fido learn how to be an actual guinea pig. But when she goes missing, he feels terrible. Was she lost, or did she run away, because he no longer liked her just the way she was?