Stepney is a bluebell engine.
- Season 1 - A Passenger Bus Once Again (cameo), and Bluebells Forever
- Season 2 - The Ironworks Diesels (mentioned) and Mavis and the Track Repairs (cameo)
- Season 3 - Tornado the Lost Engine and A Happy Day for Alfie
- Season 5 - Diesel and the Famous Visitors
- Season 8 - High Winds