Visible crew/equipment: When Toad falls into the pond, in the shot from his point of view, studio equipment can be seen in the top left corner.
Visible crew/equipment: When the Fireflies form the engine, the end of the set is visible in the distance.
Thomas, Percy and the Squeak - S6-E21
Visible crew/equipment: When Thomas arrives, his steam platform is visible.
Visible crew/equipment: When Thomas says to Emily, "Give them back!", studio equipment is visible on the top-right corner of the screen.
Visible crew/equipment: When Thomas says "But I'll be much better when you take these fish away!", a tripod is reflected in the water. (HD widescreen only).
Visible crew/equipment: When Arthur arrives at a station, a shadow of studio equipment is visible on the left.
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.
Visible crew/equipment: When James enters the station, a camera shadow is visible.
Visible crew/equipment: When Murdoch puffs by a field, a stage light is reflected off the coach's windows.
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).
Visible crew/equipment: When Percy passes the Coaling plant, a camera shadow is visible.
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.
Visible crew/equipment: When Thomas puffs away from Toby, two steam platforms are visible.
Thomas and the Billboard - S12-E1
Visible crew/equipment: When Percy leaves the station, a camera shadow is visible.
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.
Answer: He was in the water.