Episode Title:Stepney Gets Lost.Episode Description:Stepney takes a break from working with Rusty and goes to work at the quarry with Toby and Mavis. However, after a delivery with a goods train, he gets lost and ends up in the smelters yard, where diesels called Iron 'Arry and Bert want him for scrap. Fortunately, the Fat Controller finds him and helps him get back home.