Gordon is in disgrace after falling in the ditch. Thomas teases him about it, saying he has, "A funny, musty, sort of smell!"Later, Thomas has to deliver trucks to an old Lead Mine. The ground beneath the rails running overhead is weak and whilst it can support the weight of trucks, it can't support the weight of an engine. But Thomas ingnores the "Danger" signs.
Writer: Rev. W. Awdry