The Missing Christmas Decorations

"Catch me if you can!"

- Diesel 10

The Missing Christmas Decorations is an upcoming episode from the seventeenth season.

Plot
No one knows who keeps taking the Steamies’ Christmas decorations from Tidmouth Sheds! Percy discovers Diesel 10 stealing the supplies and chases him back to the Dieselworks, where he also discovers poor forgotten Sidney hanging from the ceiling waiting for new wheels. Percy surprises the other engines by giving Sidney a special Christmas present and teaches everyone about the generous spirit of Christmas.

Characters

 * Thomas
 * Edward
 * Gordon
 * James
 * Percy
 * Emily
 * Diesel
 * Diesel 10
 * Dart
 * Norman
 * Paxton
 * Sidney
 * Henry (does not speak)
 * Toby (does not speak)
 * Annie and Clarabel (do not speak)
 * Sir Topham Hatt (does not speak)
 * Henrietta (cameo)

Trivia

 * The working title for this episode may have been "New Wheels for Sidney".
 * This episode marks Diesel 10's first appearance in a television series episode and Sidney's first speaking role.
 * References to Thomas and the Magic Railroad and Day of the Diesels are made.