Other mistake: The Rev. W. Awdry is not credited in the title card of the episodes "Mike's Whistle", "Tit for Tat", and "Useful Railway." Only Andrew Brenner's name appears.
Thomas the Tank Engine & Friends (1984)
1 mistake in Season 20 generally
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.