After the engines decide to show their best-selves by staying clean and sparkling for the Tidmouth Sheds open house, they are confronted by a sinkhole ruining the tracks.

Ashima discovers that she has to prove to the others that she's more than meets the eye.

When Kana wants some alone time to herself, her friends misunderstand and think that she is upset about something.

When Percy is accidentally doused in blue paint, he gets the opportunity to be Thomas for a day.

Bruno and the engines team up to complete an urgent delivery in windy weather.

When Ashima is set to arrive on Sodor, Thomas and his friends attempt to go the extra mile in order to make the island seem fantastic! Thomas plans an extraordinary welcome that includes a tiger, painted dock, and big dance number. But when the spectacular plan gets ruined at every turn, the friends imperfect welcome still makes Ashima's arrival extra special.

It's Christmas time in Sodor and every engine is excitedly preparing for the holiday, especially Bruno who is excited to put his star on the tree. It's his tradition! When the Christmas tree can't be delivered, Thomas and Percy learn why traditions are important to Bruno.

When Salty the Diesel Engine returns from his worldly travels, he sings a shanty to Thomas and Percy about a legendary treasure lost on the Island of Sodor. The two friends are eager to see if the legend is true, but their journey comes to a snag when the rest of the Biggest Adventure Club refuses to join.

While Kana and Thomas deliver aquarium materials for the Vicarstown Fish Day, it's up to steady Percy and Nia to deliver the fish themselves.

Percy has been hiding an oil leak, afraid of what it means to get it fixed. When it starts to interfere with his deliveries, Percy needs Thomas and his other friends to help him.

After Thomas is sprayed by a skunk, he finds it hard to make a very important delivery to Vicarstown.

When water lines break all over Sodor, the engines chug into action to deliver repair parts. But engines are not what this problem needs, it needs off-track thinking and the help of Skiff and Terence.

Winston, Sir Topham Hatt's new track car, causes problems by not seeking assistance.

Nia is planning a big party to celebrate the anniversary of her arrival on Sodor, but she finds that her friends don't remember her anniversary and are too busy to even talk about it.

They get a Super Axle.

Thomas and the friends build an express track for Kana to speed fast enough and turn her electric crackle a bright red. However, the engines discover a duck pond in the path.

When Thomas spends the day carrying rockstar idol Harold across Sodor, he gains a new perspective on just how amazing it is to be his engine-self.

Bruno is beyond delighted -- he has received the gift of an updated map of Sodor from Sir Topham Hatt! He and Thomas can't wait to use it to navigate their busy schedule for the day. But when Kana's speedy whoosh blows Bruno's beloved map up, up, and away, Thomas and Bruno team up with Percy and Diesel to recover it! While searching the island far and wide for Bruno's prized possession, the gang discovers that there is something more important than keeping their schedules -- their friendship!

Thomas and Ashima spend the day helping Nia try to make her new Indian plant thrive in its new environment.

Thomas rolls along to help Percy face his fears when he must deliver the mail on Halloween, when everyone knows the legendary Ghost Train appears.

Thomas is elated when he finds a cowbell on the side of the tracks, until his friends start hogging it.

On their way to a celebration for Thomas' 10,000th delivery, Percy tries to help Thomas with his big speech, but Thomas fails to listen. While distracted, Thomas doesn't notice when Percy falls off the track and gets lost. Percy tries unsuccessfully to find his way to familiar terrain.

While out on a delivery to Whiff's Recycling Plant with his beloved buddy Boxy in tow, Thomas realises that his pal is on his last crooked axle.

Sandy and Diesel decide to do a magic act: "Disappearing Sandy". But when the trick works a little too well, Diesel sets out to search for his friend.

When Thomas and Kana ignore the needs of their engines, they end up exhausted and unable to complete their deliveries.