A group of dinosaurs seeks adventure by taking a train ride, and finds the trip has some unexpected surprises along the way.

Construction crew monsters arrive on the scene with tractors, cranes, and grader machines, and after a gruesome site is created as their routine, they straighten it up and leave everything clean.

When dinosaurs go flying in an airplane and attempt to do stunts, they soon tire of the adventure and seek other, more stable pursuits.