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?
Character mistake: The narrator says that the passengers covered their ears at the station, but no one is covering their ears, except Sir Topham Hatt.
Character mistake: The narrator says that James ran into two tar wagons, but he ran into four. Two is the amount of tar wagons that derailed.
Character mistake: The narrator says, "some trucks were left behind", but only 1 truck was left behind.
Character mistake: The driver said that Bill and Ben's names and numbers would be taken away, but the twins do not have numbers.
Wrong Road - S2-E22
Character mistake: The narrator refers to the brake coach as the guard's van.
Character mistake: On his way back to the sheds, Sir Handel goes through a red signal.
Gordon Takes a Tumble - S6-E17
Character mistake: When the narrator says "but the signalman had accidentally left the points switched to the branch line" there is no switch, it's just a bend.
Character mistake: The narrator says that Rusty chuffed bravely across the bridge, but Rusty is a Diesel and thus cannot chuff.
Character mistake: At the beginning, the narrator refers to the Quarry as the Smelters.
Character mistake: The narrator refers to Gordon as "Gordon's engine."
It's Good to Be Gordon - S10-E9
Character mistake: The narrator refers to Henry as "Henry's engine."
Character mistake: In the trivia game on the "On Site With Thomas" DVD, Monty's name is misspelled as "Monte."
Character mistake: Black smoke comes out of Thomas' funnel 50 seconds before the narrator says so. (00:03:40)
Character mistake: The narrator says that Thomas had never delivered the mail before, but he did in Season 4.
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.
Character mistake: UK Only: When Thomas comes back to Annie and Clarabel, he calls the latter "Carabel."
Answer: Breakdown trains help the engines back on track.