Character mistake: Throughout the episode, a "Bufferbeam" is referred to as "a buffer." Also, at the beginning, the narrator says that the diesels are shunting coal trucks when they are really shunting flatbeds.
Thomas the Tank Engine & Friends (1984)
1 character mistake in season 16 - 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.
Bill and Ben: We're not playing. We're rescuing our trucks.
Thomas' Christmas Party - S1-E26
Trivia: At the end, the podium on which The Fat Controller is standing, is made of LEGO bricks.
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.