Revealing mistake: When Thomas sneezes, a ramp used to make him jump is visible under him.
Revealing mistake: When Junior is flung off Diesel 10, the mechanism used to power Pinchy can be seen through his vents, (most noticeable in the bottom vents.) It also appears to be loose, as it was seen loosely moving when Junior was flung off.
Revealing mistake: When Mr. Conductor gets his gold dust back, the green screen effects are partially visible.
Revealing mistake: In a close-up of Thomas' wheels during the chase scene, they appear to be damaged.
Revealing mistake: As Diesel 10 leaves after overhearing Thomas and Percy, a red wire can be seen in his cab.
Revealing mistake: As Thomas crosses the viaduct gap, a rope can be seen pulling him.
Revealing mistake: In Thomas' first appearance, he has no cab doors. He continues to not have cab doors throughout the movie except for a few shots.
