Untitled Racing Special

This is an upcoming special episode. The title is currently unknown.

Characters
The diesels and the international engines are likely to appear.
 * Thomas
 * Gordon
 * James
 * Percy
 * Flying Scotsman
 * Emily
 * Nia
 * Rebecca
 * Diesel 10
 * Philip
 * Bertie
 * Trevor
 * Harold
 * Sir Topham Hatt