Cranky the Crane's mood is worse than ever when he is trapped with chatterboxes Salty, Bill and Ben at the Docks overnight.

Salty the diesel engine has a secret and all the other engines on Sodor want to know what it is. Join Thomas and Mavis as they meet Salty and discover the secret that Bill and Ben are still trying to figure out.

Harvey is a new crane engine. Because of his strange appearance, he is not excepted at first, but he soon proves himself to be really useful.

Percy is jealous and upset when Harold has to take his mail delivery because a signal is jammed, but Harold takes too much at once and crashes. Percy has to come to his rescue.

Thomas discovers a rude old steam lorry named Elizabeth abandoned in an old shed.

Cyril the fogman is replaced by a foghorn, much to the engines' disappointment.

Jack the front loader arrives on Sodor and is a little too eager to impress.

Jack saves Thomas from a collapsing bridge.

Thomas does not like wearing his snowplough. Much to Thomas' delight, it is damaged during his travels and he has to finish his journey without it.

Donald and Douglas the Scottish twin engines have a falling out.

Diesel is the only one who can come in to help while Henry is being repaired. The trucks hear him bragging about how he'll replace the steam engines, and challenge him to prove his strength to cause another accident.

One of Edward's Halloween stories makes Percy afraid to go to the haunted smelters that night, and Thomas teases him about it. Duck is angry and decides to work with Percy to make him think he's surrounded by ghosts.