Terrific Trucks

Shaking in His Treads / The Big Sign Smash (1x21)

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In "Shaking in His Treads," when Dug is warned not to go up hills that are too steep, he's afraid to go up a hill to complete a job. In "The Big Sign Smash," the Terrific Trucks have had enough of Sparky's messy ways when a piece of metal debris she leaves lying around pops Stotz's tire!