Fergus Breaks the Rules - S7-E18
Revealing mistake: A wire is under Fergus when he arrives at the smelter's.
Revealing mistake: When the elephant is ushered into the truck, the tracks suddenly stop and look as if they lead straight into the mountain in the background.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: When Samson crosses the Vicarstown Bridge, there is no shadow effect on his face.
Revealing mistake: When Gordon falls into the ditch, wires under his cab are visible.
Revealing mistake: The old engine's model, who fell off the bridge, was actually Skarloey's, as some red paint can be seen.
Revealing mistake: In a shot of Duck at the smelter's, a hole is visible on his running board.
Revealing mistake: In the fantasy sequence, one of the Gustavo clones is not on the rails and is clipping through the sheds.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: When Toby tells the Fat Controller about the broken windmill, if inspected enough, his driver's head is actually missing. Because of this, a large-scale head has been digitally added on.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Wrong Road - S2-E22
Revealing mistake: Wires are visible on Gordon's and Edward's buffer beams, and light bulbs are also sticking out from their lamps.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: When Stepney is in his shed, his right lamp iron (viewers' left) has a burn mark.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: In some of the shots of Stepney puffing through the fog, a black box is attached to one side of his cab. This is most likely the power source to his headlamp.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: The end of the set is visible when Toby abandons Philip.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: During the scene of James and Duck at Knapford station, Duck's footplate is clipping through the platform.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: When James crashes into the tar tankers in the present day, he is already covered in tar before he actually hits the tankers.
Suggested correction: Copy and pasted from Wikia. Needs to be removed.
Revealing mistake: Salty is missing his rear lamp in the first shot at the docks and a hole is visible where it should be.
Revealing mistake: Dried-up glue is visible around Rusty's face during the line, "Right, we'll find one tomorrow."
Revealing mistake: When Toby asks Thomas if he took on enough water, Toby's eyes are wonky.
The Sad Story of Henry - S1-E3
Revealing mistake: When the passengers try to pull Henry out of the tunnel, they have putty on their feet. Sir Topham Hatt's hand is also purple.
Revealing mistake: In a shot of 2 vans singing "Pop Goes Old Ollie" you can see a spider crawling on the right side of the left van in the screen.
Thomas and the Breakdown Train - S1-E7
Revealing mistake: In the scene of James' wheels sparking while passing Tidmouth Sheds, a metal rod is igniting the sparks from his wheels.