Samson at Your Service - S18-E24
Revealing mistake: James's chassis is incorrectly positioned when Samson passes him.
![Thomas the Tank Engine & Friends mistake picture](/images/screenshots/315000-315999/315285_sm.jpg)
Continuity mistake: Throughout the episode, rust stains disappear and reappear on Duncan's front buffers.
Duck and the Slip Coaches - S18-E8
Audio problem: At the beginning, Edward has Thomas' whistle sound.
Answer: Breakdown trains help the engines back on track.