THESE ARE SOLEY MY OPINIONS AND NOT FROM THE THOMAS & FRIENDS FAN BASE
Cyril is a fogman, he put detonators on the tracks to warn engines that their's fog ahead. However, the Fat Controller had decided to replace Cyril with a foghorn which makes a loud noise. However, it was crushed by a huge rockslide and it made Thomas derailed and Toby was to come through any minute, but Cyril saved the day with his detonators.
- A post Awdry episode that is railway smart.
The episode is just fantastic. This is a post Awdry episode that show some railway smart material about detonators and how technology are well in their place, but can't always work the same, that's how I thought of it.