Lady Hatt's Birthday Party - S5-E4
Continuity mistake: When George crashes, the Fat Controller falls into the ditch head first, but in the following shot he is sinking feet first.
Lady Hatt's Birthday Party - S5-E4
Continuity mistake: When George drives into the ditch, the Fat Controller prematurely tips over, then tips over again in a closeup shot.
Continuity mistake: After Toad avoids James, a works coach moves from in front of the points to behind the points.
Horrid Lorry - S5-E2
Continuity mistake: When Lorry 1 returns after falling into the sea, he is covered in algae and seaweed even though he wasn't submerged. He gains some more of it when Thomas sees him.
Continuity mistake: When Toby comes up to the junction, the lever to the points isn't actually there. It is only seen in this episode in the shot showing where his fireman switches them.
Answer: Breakdown trains help the engines back on track.