Continuity mistake: When Timothy says to Thomas, "See you met Marion then," the last truck is a conflat, but in the next scene it becomes a plank wagon.
Continuity mistake: When Percy leaves Tidmouth Sheds with the mail train, his brake van is grey, but when he is out on the tracks, his brake van is orange.
Continuity mistake: During the beginning of the flashback, Gator has three trucks, but when he crosses the bridge, he gains a fourth truck.
Continuity mistake: When Thomas puffs away from Marion, his trucks are red, but in the next shot, they are green.
Continuity mistake: In the scene of Thomas arriving at the Clay Pits, Timothy can be seen in the background with a line of trucks. However, in the next scene, the trucks have disappeared. They later reappear when Thomas comes to pull them.
