Revealing mistake: In a close up of Thomas' driver, his cap brim is falling off and he has a hole in his head.
Revealing mistake: In a close-up of Thomas at the beginning of the episode, his wheels aren't moving for 2 seconds. This is easier to see in the restored version.
Visible crew/equipment: In a close-up of Toby, you can see a hand reflected in his left window (viewer's right).
Revealing mistake: In the first close-up of the policeman, the camera wobbles.
Other mistake: When James crashes into the tar wagons, Sticky Tac can be seen on his tender.
Continuity mistake: In a close up of the tar wagons before James crashes into them, James disappears.
Visible crew/equipment: When James crashes into the tar wagons, a crew member's finger can be seen pushing him.
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.
Continuity mistake: James leaves Elsbridge Station with the brake coach at the rear. When James arrives at Knapford Station, the brake coach is in the middle.
Other mistake: James passes a green signal, but there are tar wagons ahead.
Revealing mistake: When Gordon is being pulled from the pond, in the close up scene of Gordon reversing up the sleeper bed, the front of his buffer beam/running board catches on the upright stake to the right hand side of the worker figure, pulling it back before it rights itself. (easier to see on widescreen version). (00:04:10)
Other mistake: At the start Gordon's buffers are crooked.
Revealing mistake: When Gordon falls into the ditch, wires under his cab are visible.
Revealing mistake: When the boys sing, the camera shakes.
Revealing mistake: When Gordon puffs into the ditch his face looks wonky and wires are visibly attached to his cab.
Continuity mistake: The sign says: "Danger - engines must not pass this board." When Thomas passes it, "board" is replaced with "point."
Continuity mistake: Gordon's connecting rods change position after he pulls Thomas out of the mine.
Other mistake: When Thomas shunts Annie and Clarabel his eyes look wonky and Annie and Clarabel are missing their names.
Thomas' Christmas Party - S1-E26
Audio problem: (Only in the George Carlin narrated American version) At the end of the episode, when the engines are singing "We wish you a merry Christmas", you can briefly hear Ringo Starr's original narration.
Thomas' Christmas Party - S1-E26
Revealing mistake: In the very last shot of the episode, loads of wires are visible in front of the engines and behind the turntable.
Answer: Breakdown trains help the engines back on track.