Thomas & Friends: Blue Mountain Mystery

Name: Thomas & Friends: Blue Mountain Mystery
Genre: Animation, Family, Adventure
Released: 2012-01-01
Rating: 6.2
Cast: Michael Angelis, Keith Wickham, Matt Wilkinson, Steven Kynman, Michael Legge

2012| 1h 1m| IMDb 6.2

Thomas & Friends: Blue Mountain Mystery (2012) is currently streaming in the UK on Prime Video. Last updated 20 January 2026.

Streaming availability last checked 20 January 2026

Animation Family Adventure

When trouble strikes at the Blue Mountain Quarry, Thomas is sent to help his Narrow Gauge engine friends. While there he discovers a mysterious small green engine hiding in the tunnels. Why is the little engine hiding? Thomas is determined to get to the bottom of the mystery but discovering the truth is harder than he imagined!

Director: Greg Tiernan