Henry and Hiro take on some of the bad coal and start puffing black smoke.

When Luke is sent to Ulfstead Castle to deliver stone, he meets Millie, the Earl's private narrow gauge engine. They decide to switch jobs for the day.

Bill and Ben meet Connor for the first time and decide to trick him.

Up at the Blue Mountain Quarry, Luke finds a scared young deer, so he tries to get the other engines to work quietly. But that is not an easy thing to do.

Percy is teased by James for being scared of the dark.

Gordon has a leak in his boiler, making him have to stop for water more frequently.

Duck and Thomas take Harold to the Sodor Search and Rescue but argue which route to take him.

Hiro is a strong and gentle engine but Diesel tries to teach him other ways.

Percy gets the feeling he is having bad luck and tries to change it.

The turntable at Tidmouth Sheds is frozen leaving just one berth available.

Harvey is teased about his hook by Bill and Ben.

After Sir Topham Hatt forgets to put Winston's brake on, Winston begins to roll away without a driver. He enjoys it at first, but he soon realizes why he needs to have a driver.

The Fat Controller is to dress up as Santa and ride a sleigh.

Diesel 10 decides to steal the Christmas decorations.

Salty gets the feeling he is being replaced.

Stephen is collecting ingredients for afternoon tea.

Thomas refuses to wear his snowplough and leaves it.

James tells Percy a tale to try and scare him about a ghost at Ulfstead Castle.

Paxton hears Thomas has lost his puff but misunderstands what it means.

After being sent to be cleaned and repainted, Scruff does not want to work at the waste dump because he does not want to get dirty again.

Sir Topham Hatt sends Kevin to the docks to help Cranky, but Cranky does not want any help.

With two fire engines, there is the rumour that there are too many.

Thomas and Bertie have a race but Bertie takes a shortcut.

Catlin spends a night on Sodor while the bridge that connects the island with the mainland is being repaired.

Charlie is a small purple engine who likes to tell jokes. One day Charlie discovers an elephant on the line and tries to alert the other engines.