Factual error: Black smoke comes out of Henry's cylinders, when it should only be coming out of his funnel.
Thomas the Tank Engine & Friends (1984)
1 mistake in Henry's Happy Coal - chronological order
Starring: Alec Baldwin, Michael Brandon, Ben Small, Martin Sherman, Michael Angelis
Thomas: Wake up lazy bones - do some hard work for a change.
Trivia: The events of this episode were remade in CGI for the 2015 special, The Adventure Begins.
Question: Why was Henry put on a barge instead of being taken to the works?
Answer: He was in the water.