Other mistake: In a close up of Bertie, he has no driver.
Other mistake: The narrator says "the road left the railway...", but there is a road right next to Thomas.
Thomas the Tank Engine & Friends (1984)
2 other mistakes in Thomas and Bertie
Starring: Alec Baldwin, Michael Brandon, Ben Small, Martin Sherman, Michael Angelis
Plot hole: When Duck and Diesel leave the shed, Diesel follows Duck instantly, but the tracks they are on both lead to the turntable. As they are on different tracks to each other, it would be impossible for Diesel to follow Duck that quickly as the turntable could only be set to one track at a time.
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.