Continuity mistake: When Henry sneezes at the boys, in the shot of the boys with the smoke rising up, you can see that they already got ashes on them before the smoke had even touched them.
Continuity mistake: Throughout most of the sequence where Thomas pulls the Troublesome Trucks, the trucks keep changing positions numerous times and many of the trucks disappear and reappear. Also, in a few scenes, there is only 1 truck or just 5 trucks.
Audio problem: When Salty cries "Shiver me axles!" his lips don't match the words.
Continuity mistake: Sir Handel was just near the turntable when Samson approaches the Blue Mountain Quarry, but a few shots later, Sir Handel has moved to a siding.
Kevin's Cranky Friend - S17-E1
Audio problem: James and Henry swap whistle sounds throughout this episode.
Kevin's Cranky Friend - S17-E1
Continuity mistake: Throughout most of the episode, Cranky's ladder is on the wrong side.
Kevin's Cranky Friend - S17-E1
Continuity mistake: After Sir Topham Hatt leaves the docks, Henry disappears.
Audio problem: When Sir Topham Hatt, the policeman, and Thomas' crew are at Elsbridge Station, Thomas whistles, but his crew is standing on the platform.
Revealing mistake: In a close up of Thomas' driver, his cap brim is falling off and he has a hole in his head.
Revealing mistake: In a close-up of Thomas at the beginning of the episode, his wheels aren't moving for 2 seconds. This is easier to see in the restored version.
Revealing mistake: In a shot of Henry going around a bend in the country, you'll notice that the other side of the coaches is seen painted tan but the other side is painted green and white. This is because of budget limitations.
Revealing mistake: In the first close-up of the policeman, the camera wobbles.
Character mistake: In the shot of Gordon pulling Percy, he is congratulating Percy, but Percy didn't stop the accident, Gordon himself did. Percy didn't try to get out of the way, Gordon had to put his brakes on as hard as he can. So why is Gordon congratulating Percy?
Bradford the Brake Van - S20-E5
Other mistake: A rock is floating in mid-air when Thomas goes up Gordon's Hill.
Diesel and the Ducklings - S20-E4
Continuity mistake: When Diesel keeps James and Gordon waiting, they are at the top of the hill, but a few shots later, they are at the bottom of the hill.
Other mistake: Oliver's arm is too tall to fit under the bridge.
Revealing mistake: When Henry arrives at the forest where he finds his lucky trucks, one of the trees is not covered in snow.
Revealing mistake: The waves hitting the ship are obviously being sprayed by a hose.
Wrong Road - S2-E22
Revealing mistake: When Edward crosses the viaduct, the last coach of his train does not have lighting.
Continuity mistake: US Only: Henry reverses on to the siding, then he leaves it again. His tender also hits the station building.
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.