Among Mrs. Brice's 25 mice, all but one do everything together. And this mouse's difference comes in handy when the mice meet a cat, and while twelve run this way and twelve run that, this mouse runs this way and that, wearing out the cat and saving them all.

Anxious to see what life is like outside the zoo, Sammy the seal explores the city, goes to school, and plays with the children but decides that there really is no place like home.

Thunderhoof, a wild horse, refuses to be tamed by the cowboys but misses their company after they give up and turn him loose.