Thomas is feeling worried because Diesel says that The Fat Controller wants to scrap all the steam engines in favour of diesel engines. But the next day, all the diesels are given bad oil and Thomas is the only engine available to help.
When James gets repainted he claims he both looks great and is great. Instead of going to the docks for work the next day with Percy, he goes by the canal to look at his own reflection, and around the island so he'll be seen.
Annie and Clarabel always help Thomas cross a difficult bend. When the coaches are at the works, Thomas needs to gain confidence in himself to cross the bend himself. He needs this confidence in order to save a new station from some runaway trucks.
Thomas is jealous when James gets to pick up the fireworks collection for the Halloween festival, so teases him when he's sent to help him when he breaks down. But neither knows how to make it to the festival in time like they want to.
With winter too bad for buses, Percy is asked to deliver passengers but is out of practice. Gordon feels too good to coach and proves an impatient teacher, but then sees an excuse to display his skill and how great he thinks he is.
When the Duke and Dutchess' private engine Spencer learns he beat Gordon's record, he claims to be better than any Sodor engine. The engines all want to race him, but James and Gordon have no faith in Edward, who is the only one free.
When Gordon, helped up his least-favorite hill by Edward, sees Toby putting all his strength into climbing, he gives him much scorn and insults, which Toby takes to heart. But the next day, Toby must replace Edward as Gordon's back-engine.