Continuity mistake: When Thomas goes back to Maithwaite, Flynn's railway wheels are not touching the rails, but his tires are.
Continuity mistake: After Thomas stops near the bridge, he does not have a Wonky Whistle.
Audio problem: When Den and Dart bully Flynn, their voices are swapped.
Continuity mistake: When Flynn sprays Edward, the water goes over Edward, but somehow his driver gets wet. And when Flynn sprays Gordon, the water is seen hitting the platform and Gordon's tender. Later, the water is seen hitting one of the coaches.
Factual error: In the U.K. narration, when Flynn sees Gordon, the narrator says "Flynn steamed in to a stop." but Flynn isn't steam powered. This mistake is fixed in the U.S. narration.
Continuity mistake: The narrator says that Dart had never seen the logging locos before, but he saw them 3 episodes ago.
Character mistake: Throughout the episode, a "Bufferbeam" is referred to as "a buffer." Also, at the beginning, the narrator says that the diesels are shunting coal trucks when they are really shunting flatbeds.
Revealing mistake: In a shot of Gordon arriving at Brendam Docks, only half of his tender is visible.
Thomas and the Sounds of Sodor - S16-E11
Deliberate mistake: When the engines are performing "The Sounds of Sodor", Emily, Thomas, Percy and Gordon have the correct whistle sounds but at a lower pitch. At one point, James has Emily/Henry's whistle sound, Mavis has her old "New Series" horn, and Thomas has James' whistle sound.
Continuity mistake: When Thomas hides behind the trucks, there are only 3. But in the next shot, there is a flatbed with a crate on it in front of the trucks.
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.
Continuity mistake: At the beginning of the episode, Henry is pulling trucks and Hiro is pulling nothing. In the next shot, Henry is pulling nothing and Hiro is pulling flatbeds.
Continuity mistake: UK Only: When Luke is coupled up to Skarloey's train, he has 5 trucks and a white brake van. When the deer jumps in his cab, the brake van disappears. And when Luke is heading towards the Castle, he has a brown brake van.
Revealing mistake: When the elephant is loaded into the truck, the tracks abruptly end behind Charlie.
Santa's Little Engine - S17-E18
Revealing mistake: At one point, the shading effect on Thomas' whistle is not rendered properly, so it appears silver instead of gold.
Santa's Little Engine - S17-E18
Continuity mistake: The sleigh leaves tracks in the snow behind when it slides down the hill. When Thomas races towards the sleigh, the Snow Tracks disappear.
Revealing mistake: Each time when Thomas takes a shortcut, the points do not change.
Answer: Breakdown trains help the engines back on track.