When Mike Mulligan and his steam shovel, Mary Anne, lose their jobs to the gasoline, electric, and diesel motor shovels, they find a new opportunity in a very surprising place. Mike proves that, although dated, his steam shovel is still useful.

The Gingerbread Boy eludes the hungry grasp of everyone he meets until he happens upon a fox more clever than he.

Tired of being last on the smoky, noisy freight train, Katy Caboose wishes for some way to escape from the endless track.