Continuity mistake: At the beginning of the episode, Henry is pulling trucks and Hiro is pulling nothing. In the next shot, Henry is pulling nothing and Hiro is pulling flatbeds.
Thomas the Tank Engine & Friends (1984)
1 continuity mistake in Henry's Hero - chronological order
Starring: Alec Baldwin, Michael Brandon, Ben Small, Martin Sherman, Michael Angelis
Continuity mistake: Despite Henry's issue from "Coal" in Season 1 being resolved after the crash in "The Flying Kipper", also in Season 1, Henry needed special coal again from "Thomas and the Magic Railroad" until Season 16.
Thomas: Wake up lazy bones - do some hard work for a change.
More trivia for Thomas the Tank Engine & Friends
Question: Why was Henry put on a barge instead of being taken to the works?
Answer: He was in the water.