Thomas, James and Percy are to help build Ulfstead Castle and meet four new engines but new engine Stephen goes missing.
Featuring: Togo Igawa
as Hiro | Rebecca O'Mara
as Caitlin | Teresa Gallagher
as Emily, Belle, Annie, and Clarabel | Jonathan Forbes
as Connor | Miranda Raison
as Millie | Mike Grady
as Sir Robert Norramby | Bob Golding
as Stephen | David Bedella
as Victor | Michael Legge
as Luke | Steve Kynman
as Paxton | Matt Wilkinson
as Spencer, Kevin and Cranky | Keith Wickham
as Edward, Henry, Gordon, James, Percy, Skarloey and The Fat Controller | Ben Small
as Thomas, Toby and Rheneas | Kerry Shale
Kevin is to help Cranky but Cranky doesn't need Kevin's help.
Scruff gets a new paintjob but doesn't want to ruin it at the dump.
Going to Ulfstead Castle, the Fat Controller finds the track is bumpy and in need of repair but forgets to put Winston's handbrake on.
Gordon's boiler gets hit causing water to leak but Gordon carries on regardless and soon runs out of water.
Caitlin is forced to spend the night on the Island of Sodor but decides to do other engines jobs instead.
Stafford is an electric engine but is jealous of the steam engines and wants to be like them.
Hiro becomes Henry's hero as Hiro is a strong engine and does a lot.
Racing Rhineas, Luke swerves to avoid hitting an animal and gains a friend.
Taking some stone to Ulfstead Castle, Luke meets Millie and agree to swap jobs.
Charlie plays tricks on the other engines but when he spots an elephant, nobody believes him.
Paxton hears Thomas has lost his puff but misunderstands what it means.
Duck and Thomas take Harold to the Sodor Search and Rescue but argue which route to take him.
James tells Percy a tale to try and scare him about a ghost at Ulfstead Castle.
Percy gets the feeling he is having bad luck and tries to change it.
Bill and Ben meet Connor for the first time and decide to trick him.
With two fire engines, there is the rumour that there are too many.
Hiro is a strong and gentle engine but Diesel tries to teach him other ways.
Thomas and Bertie have a race but Bertie takes a shortcut.
Percy is teased by James for being scared of the dark.
Salty gets the feeling he is being replaced.
Stephen is collecting ingredients for afternoon tea.
Harvey is teased about his hook by Bill and Ben.
Thomas refuses to wear his snowplough and leaves it.
The turntable at Tidmouth Sheds is frozen leaving just one berth available.
Diesel 10 decides to steal the Christmas decorations.
The Fat Controller is to dress up as Santa and ride a sleigh.