Revealing mistake: Salty is missing his rear lamp in the first shot at the docks and a hole is visible where it should be.
Factual error: In the "Steamie or Diesel" game on the "All Aboard with the Steam Team" DVD, Spencer is incorrectly called a diesel even though he is a steamie. Whenever you get the wrong button, Spencer says he actually has a horn instead of a whistle and even says he is a diesel engine.
Visible crew/equipment: When Percy passes the Coaling plant, a camera shadow is visible.
Audio problem: At the beginning, Henry has Gordon's whistle sound. And when Spencer's driver rings the bell after stopping at the countryside, the bell is heard, but cannot be seen.
Character mistake: At the beginning, the narrator refers to the Quarry as the Smelters.
Audio problem: At the beginning of the episode, Salty has Diesel's horn sound.
Audio problem: Before Emily goes into the duck pond, her brakes are heard screeching but her wheels are still moving.
Answer: Butch the breakdown truck must have pulled Gordon's tender all the way up the rails so the breakdown train can reach it and also Butch helped to get Gordon close to the winch.