EllenEncore

Stepney Gets Lost - S5-E13

Revealing mistake: In a close up of Stepney at the beginning, his lamp iron has a burn mark.

EllenEncore

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.

EllenEncore

Sleeping Beauty - S4-E4

Trivia: The map of Duke's Railway is actually a map of railways on the Isle of Wight, flipped upside down. The line in particular which the Portly Man points out, is the Isle of Wight Central Railway.

EllenEncore

Duck in the Water - S18-E7

Revealing mistake: Duck's footplate clips through the platform at Knapford at the beginning.

EllenEncore

Chucklesome Trucks - S23-E2

Other mistake: In the distant shot of Vicarstown, the station is missing its letters.

EllenEncore

The Grand Opening - S7-E21

Visible crew/equipment: A crew member is visible on the left side of the screen when Skarloey notices the hot air balloon is about to crash.

EllenEncore

Saved You! - S12-E10

Continuity mistake: After he is rescued by Thomas, Toby's face changes size between shots.

Chucklesome Trucks - S23-E2

Revealing mistake: Before James collides with the tar tankers, he is already covered in tar before he actually hits them.

EllenEncore

Other mistake: The Serpent and the Beast: In the first panel of page 55, Delores's eyepatch is left uncoloured.

EllenEncore

Thomas and the Billboard - S12-E1

Visible crew/equipment: At the very start of the episode, a stage light is reflected off Gordon's coaches.

Comedyfan74

Snow Engine - S7-E14

Other mistake: Before Oliver crashes, no-one appears to be inside his cab in a shot of him passing a crossing.

EllenEncore

Best Dressed Engine - S7-E22

Deliberate mistake: When Thomas goes by the level crossing, a close up of Thomas is shown but it's the same footage from season 1, only flipped. Because of this, Thomas' number is mirrored.

Comedyfan74

Best Dressed Engine - S7-E22

Visible crew/equipment: When the banner hits Gordon, in the next shot, a scaffold is very visible in the trees on the right. (Visible in Wide screen version only).

Comedyfan74

Thomas and the Runaway Car - S11-E17

Visible crew/equipment: When the flatbed rolls away from Thomas, you can see a finger of a crew member in the bottom corner.

EllenEncore

Continuity mistake: Towards the end, before his arrest, Mr. Crystal's fur is messy; it goes back to being clean less than 2 minutes later when he steps on stage.

EllenEncore

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.

RustingLynx