The Mountain Engines is a series that surrounds the Culdee Fell Railway. Later, it was cancelled.
- A History Lesson - Ernest tells the story of the beginning of the railway.
- The Reopening - TBA
- Only Two Engines - TBA
- Superheaters? - TBA
- Culdee Returns - TBA
- No. 6's Redemption - TBA
- Responsibilities of Eric - TBA