Diesel #10 has devious plans to dominate the other engines by finding and crushing their dwindling supply of magical gold dust. Lilly has a hunch that her grandfather holds the key to rescuing the little trains in his workshop on Muffle Mountain.

Thomas in his first movie! Rated G. Stars Peter Fonda, Mara Wilson, and Alec Baldwin. Special features: interactive menus; scene selection; talent files; theatrical trailers; direct Weblink; deleted scene; English and Spanish with English and Spanish subtitles.