Based on the story of the same name from Percy the Small Engine.Percy is transferred to the harbour on Thomas' branchline. One day, Percy meets Harold the Helicopter, who says railways are slow and out-of-date. Percy is furious, and when he sees Harold again, he challenges him to a race.

Based on the story of the same name from More About Thomas the Tank Engine.Thomas isn't feeling well and is sent to the Works to be mended. Duck takes over Thomas' duties. Soon, Thomas returns from the Works with stiff handbrakes. This proves disastrous when a temporary fireman forgets to tighten them properly, sending Thomas, Annie and Clarabel on a runaway.

Based on the story of the same name from The Eight Famous Engines.At the harbour, Percy is telling Bill and Ben about the time he braved bad weather, using the phrase "Water's nothing to an engine with determination". Henry calls Percy silly, to which he teases him about him staying in the tunnel. Later, Percy wants to see why he is forbidden to pass the danger board on the quay, but soon wishes he hadn't.