Thomas has to transport a brass band to Lady Hatt's birthday party, but he leaves the tuba player behind. Soon, Thomas is racing around the island trying to find him.

Percy is feeling overjoyed about his new whistle. He whistles loudly to the other engines which he thinks is harmless fun. It turns out to cause confusion and delay.

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.

Henry goes to an old tree to wish for a chance to pull the express. He learns to be careful what he wishes for when he realises that pulling coaches is very different to pulling freight trucks.

After being repainted, James decides to show off his new shiny paintwork instead of helping Percy at the docks.

Percy is worried he will be scrapped after misinterpreting a conversation between the Fat Controller and his driver.

Thomas refuses to listen to bossy Emily and goes off without his snowplough.

The engines decide to show their appreciation to Thomas by throwing a surprise party. But they are having a hard time keeping the secret from him.

Emily is desperate to keep her flour route after hearing that the Black Loch run has a monster in the lake; the trucks, however, give her a hard time.

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.

The engines all compete to win a special prize for the cleanest engine during an inspector's visit.

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.

Gordon worries that he will be scrapped due to the squeaking and rattling he makes. He tries to hide this from the Fat Controller, but has to take him on a run.

Thomas is so honored to pull the circus-train that he is hesitant to ask for help in handling the heavy weight even after being offered it.

Thomas is cross about having to go slowly with his load of eggs. He decides to go fast after all, but pays with some eggs that got broken when he did.

Emily wants to prove that she can be as fast as Gordon. She tries to do as much work as he can, but it is too much for her and she runs out of water.

Thomas ignores Arthur's advice and tries to take all of his fish trucks at once, but he ends up colliding with Salty.

Emily has to make her way past the storm damage obstacles to deliver wood for Farmer McColl. Crossly, she bosses her friends about to speed things up, which does not work.

Thomas and Emily are not scared to go to the Other Railway. However, 'Arry and Bert want to have some fun and decide to spook the steam engines, but accidentally spook themselves.

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.

James takes too much pride in delivering an important load of coal, and ignores the others who need help. Salty has a word with him, and teaches him kindness.

Thomas is disappointed to be taking ice cream ingredients rather than children. He gets into scrapes on the way, but does not realise this job is important, too.

Salty tells Percy that the red carpet he is delivering is magical. The others refuse to believe this, but Percy thinks it is magic that is making it float up.