After Thomas and Percy get spooked by a suspicious rumbling, the engines set off to figure out the secrets of the old mine inside Lookout Mountain.
No streaming info available.
Verdict: Unknown
> Campbell Bryer (Director)
> Sean V. Jeffrey (Director)
> Britt Allcroft (Screenplay)
> Rick Suvalle (Screenplay)
> Rev. W. Awdry (Writer)
