Other mistake: The end credits show Annie, Clarabel, Bertie and Harold under the voice cast for "the trains", but Annie and Clarabel are rolling stock, Bertie is a road vehicle, and Harold is an aircraft, respectively.
Other mistake: When Billy Twofeathers says, "Does Burnett Stone ever give you a smile?", a fly can briefly be seen. Given the size of the miniatures, it's far too big for the world they live in.
Other mistake: When Thomas follows Diesel 10 from the sheds, the end of the set is visible.
Other mistake: In a shot of Percy at night, James' tender is derailed.
