Bowled Out - S4-E18
Continuity mistake: When the diesel grinds to a halt and the camera switches to Duck and Stepney and then back to him, he is noticeably further away from the coaches.
Continuity mistake: Throughout the episode, rust stains disappear and reappear on Duncan's front buffers.
Continuity mistake: Bulgy was converted into a vegetable stand in "Bulgy Rides Again." But from "Excellent Emily" onward, he is a passenger bus again.
Continuity mistake: When Emily and Whiff pull the rubbish trucks away, Whiff is coupled up to Emily, and Emily is coupled up to the trucks. When they pull them away, their buffers are separate.
Continuity mistake: At the beginning, Edward is pulling 5 cattle trucks. When he approaches the cows, he is pulling 4 cattle trucks.
Continuity mistake: Gordon's express train has 1 composite coach and 2 brake coaches when he passes through Wellsworth station. When he crosses the viaduct, he has 2 composite coaches and 1 brake coach.
Continuity mistake: Gordon can be seen next to Edward when Edward says "two big engines afraid of a cow?", but Gordon should have been on the turntable.
Thomas, Percy and the Coal - S2-E1
Continuity mistake: When Thomas is being covered in coal, he is dirty in some shots, but in other shots he is clean.
Continuity mistake: Gordon's connecting rods change position after he pulls Thomas out of the mine.
Thomas, Percy and the Squeak - S6-E21
Continuity mistake: When Percy arrives at Brendam, his steam platform is visible and some of the steam from his funnel disappears, indicating a film cut.
Continuity mistake: Before Percy Runs Away, his crew is out of the cab. But after Percy Runs Away from Gordon, his crew is back in the cab.
Continuity mistake: In a close up of the tar wagons before James crashes into them, James disappears.
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.
Continuity mistake: When Henry sneezes at the boys, you can see that the boys got ashes on them before the smoke has even touched them yet.
The Afternoon Tea Express - S17-E26
Continuity mistake: In the shot of Stephen at the dairy, one of the trucks is in the front and the other one is at the back. But in the shot when Stephen is out and about, the first one is at the far back and the other truck is at the front, but later, the trucks go back to their original positions.
Continuity mistake: After Thomas goes to the docks, the giraffe's flatbed somehow changes tracks at the Animal Park.
Continuity mistake: When Thomas finds Percy, he is behind him; but later when they arrive at the Steamworks, Thomas is in front. The same thing happens with Edward.
Continuity mistake: When Henry sneezes at the boys, in the shot of the boys with the smoke rising up, you can see that they already got ashes on them before the smoke had even touched them.
Continuity mistake: Throughout most of the sequence where Thomas pulls the Troublesome Trucks, the trucks keep changing positions numerous times and many of the trucks disappear and reappear. Also, in a few scenes, there is only 1 truck or just 5 trucks.
Continuity mistake: Sir Handel was just near the turntable when Samson approaches the Blue Mountain Quarry, but a few shots later, Sir Handel has moved to a siding.
Answer: He was in the water.