Other mistake: In the first shot of Brendam Docks, there is a siding that is inaccessible from the other tracks.
Other mistake: The Breakdown Train to the left, in the opening scene, is derailed.
Wrong Road - S2-E22
Revealing mistake: Wires to power the lamps are very visible on Gordon's and Edward's buffers, and bulbs are also sticking out from both their lamps.
Visible crew/equipment: The reflection of a crew member's face is visible in the window of Edward's cab when his driver cheers him on.
Revealing mistake: In a close up of Stepney at the beginning, his lamp iron has a burn mark.
Revealing mistake: When Stepney is returning home through the fog, the source to power his lamp is visible.
Revealing mistake: The end of the set is visible in one shot at the quarry.
Revealing mistake: Duck's footplate clips through the platform at Knapford at the beginning.
Other mistake: In the distant shot of Vicarstown, the station is missing its letters.
Revealing mistake: Before James collides with the tar tankers, he is already covered in tar before he actually hits them.
Continuity mistake: Throughout Season 4, Henry is painted in two different shades of green.
Character mistake: On his way back to the sheds, Sir Handel goes through a red signal.
Revealing mistake: When Thomas collects Rocky, the points are set against him. This also happens when Percy enters the siding.
Visible crew/equipment: When Gordon, Thomas and the express round the bend, a camera tripod is visible on the left side of the screen.
Visible crew/equipment: In a close-up of Toby, you can see a hand reflected in his left window (viewer's right).
Wrong Road - S2-E22
Character mistake: The narrator refers to the brake coach as the guard's van.
Continuity mistake: Thomas says that Mavis and Cranky never make mistakes, but they have in "Mavis" and "No Sleep for Cranky."
Thomas Puts the Brakes On - S12-E17
Revealing mistake: When Stanley shunts Thomas into the yard, Thomas is eyeless.
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.
Percy Takes the Plunge - S2-E11
Deliberate mistake: When Percy is being loaded onto the flatbed, Diesel appears, but he is not introduced until "Pop Goes the Diesel" (episode after this). This is likely because "Pop Goes the Diesel" was produced before this episode.
Suggested correction: There is nothing in the show suggesting that the episodes are shown in chronological order.
