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In a daring race with the ever boastful Spencer, Thomas discovers an abandoned engine, Hiro.
Hiro comes from a far off place, and appears to need help.
Fearing Hiro will be sent to the Smelter's Yard, Thomas enlists his trusty friends to help rescue him.
But will sneaky Spencer foil their plans? Help Thomas and his friends get Hiro back on the tracks agai