Edward, Gordon and Henry - S1-E4
Visible crew/equipment: When Gordon backs on to the siding, you can see the inside of his cab, which is just some equipment.
Edward, Gordon and Henry - S1-E4
Other mistake: When Gordon leaves the station, he has two brake coaches, even though express trains are suppose to have one.
Edward, Gordon and Henry - S1-E4
Other mistake: When Gordon is sent to the siding after breaking down, he passes the set of points needed to cross over to the other line.
Edward, Gordon and Henry - S1-E4
Visible crew/equipment: When The Fat Controller is looking at the goat, a hand is visible in the steam.
Edward, Gordon and Henry - S1-E4
Continuity mistake: When Henry comes out of the tunnel, he's dirty, in the next shot, he's clean.
Edward, Gordon and Henry - S1-E4
Continuity mistake: When the Fat Controller is asking Henry to pull the train, Gordon vanishes.
Edward, Gordon and Henry - S1-E4
Continuity mistake: When Edward is sad, the background behind him disappears between shots.
Edward, Gordon and Henry - S1-E4
Visible crew/equipment: When Edward is pushing the train, you can see a wire inside his four front wheels.
Edward, Gordon and Henry - S1-E4
Revealing mistake: When Gordon passes a signal, the track under him wobbles.
Edward, Gordon and Henry - S1-E4
Visible crew/equipment: In the beginning shot of Gordon leaving the station, studio equipment is reflected off James' tender.
Edward, Gordon and Henry - S1-E4
Continuity mistake: When Edward arrives and tries to push the coaches. In one shot of Gordon on the siding in front of Henry, Gordon's eyes go to his left without 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.