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.

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.

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.

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

Thomas and Diesel take a friendly competition too far and put an important delivery rescue at risk as they race across Sodor.

When Thomas accidentally breaks a light he's hauling to the Sodor Festival of Lights, he learns the best way to be the No. 1 engine is to be honest after making a mistake.

While the trains are setting up for the Vicarstown Fall Festival, Thomas is feeling down about the end of summer and the changing weather.

Percy announces he's giving up his Ghost Scaring Machine as he's too old for it now. It soon becomes clear that the machine is good for more than just scaring ghosts.

When all the trains but Thomas get deliveries, he's left to spend the day alone. With the help of an old boxcar and a battered beachball, however, an adventure unfolds.

When Sir Topham Hatt's Hat blows away in the wind before making an important announcement, Thomas and his friends race around Sodor, trying to catch it. The Hat remains out of reach until they learn to work together.

When Gordon is unable to make an important delivery on his own, Thomas offers his help, but Gordon insists on second-guessing Thomas's every move.

When Thomas throws away Diesel's favourite oil can thinking it's trash, he makes a promise to get it back and, in the process, learns it's better not to touch things that aren't yours.

Nia has volunteered for a big day of deliveries and is determined to make the perfect plan to get it done, but when things start to go awry, she doggedly sticks to her plan and refuses any help.

On the last day of Yong Bao's visit to Sodor, his friends dig up a giant keepsake to help him remember them.

When a big storm approaches, Thomas and company must complete a week's worth of deliveries by the end of the workday, but when Sandy needs repairs, Thomas and the gang realise just how important Sandy is to the team.

While playing hide and seek with Percy, Diesel accidentally gets stranded on a barge that floats out to sea.

When Yong Bao visits Sodor, a jealous Thomas sets out to prove he's the braver train and challenges Yong Bao to a series of bravery challenges, only to have his plan backfire as the two end up trapped in the Old Mine.

Nia shows Thomas and Diesel how much unique beauty exists in Sodor, which comes in handy when they need plants to beautify a Plaza in Vicarstown.

When the engines are delivering attractions to the annual Harwick Beach Carnival, a series of mistakes causes the precious Calliope to break; luckily, the engines come up with a creative solution.

Thomas needs repainting and must be patient as he dries, even though he feels like he's missing out.

When Thomas's whistle suddenly stops working, he learns that he doesn't need his whistle to still be himself.

When Thomas and Percy get into their first big fight they're afraid that their friendship is over... until Nia helps them figure out how to resolve it.

When Thomas' No.1 gets covered by paint, Diesel's comment about Thomas not being number one any more causes him to doubt himself.

Thomas and Percy have a difficult delivery, they must take eggs and other cake ingredients safely to Vicarstown for their bake-off.

When music-lover Nia gets stranded before a big concert she's been waiting to see, Thomas brings the concert to her.