Luigi in a Muddle

Dirty Things (known in North America as Luigi in a Muddle) is a Mater and Friends Story.

Luigi the small yellow car is rude to Guido the forklift and The Queen the old car, by calling them, "dirty things." Later, whilst pulling some lemons, Luigi is so distracted by what he would say to Guido when they next met, that he stops paying attention to what is happening around him, and the lemons push him into some tar wagons. Luigi is rescued by Guido and Lightning the red race car, and Finn McMissile, the super intendant, rewards Guido and The Queen with new paint jobs, while Luigi is sent to be cleaned.