Episode Title:Salty’s Secret.Episode Description:A new diesel engine called Salty comes to work on Sodor, but is disappointed that he has to complete an important job in the centre Island Quarry. Bill, Ben, and Mavis soon find out that Salty has absolutely no trouble moving the Troublesome Trucks. One night, Salty goes to get some sea air and Mavis asks him if he really misses the sea. Salty admits that he does. The next day, Salty explains to Bill and Ben that he has no trouble with the trucks, because they like his sailor songs. He encourages them to try it themselves. They do so, but have no success. Later, the Fat Controller visits Salty and sends him to work at Brendam Docks, much to Salty's delight.