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.
Thomas the Tank Engine & Friends (1984)
2 continuity mistakes in Down the Mine - chronological order
Starring: Alec Baldwin, Michael Brandon, Ben Small, Martin Sherman, Michael Angelis
Continuity mistake: When Bulgy is driving on the road next to the rails, Thomas can be seen pulling a train instead of being repaired at the foundry.
Bill and Ben: We're not playing. We're rescuing our trucks.
Trivia: The events of this episode were remade in CGI for the 2015 special, The Adventure Begins.
Question: How did they get the broken down train at the scene of the crash without any calls?
Answer: Breakdown trains help the engines back on track.