Stepney's Diesel Problems (Spoilers)

Stepney's Diesel Problems is the twelfth episode of the first season.

Plot
Stepney begins to feel overworked on the Bluebell branch line with repairs to a bridge, and Sir Topham Hatt decides to send Diesel 10 to help him out with freight trains. Stepney soon finds Diesel 10 as a lot of trouble, as he disobeys his order about not going onto a line that lead to the bridge under re-construction. Diesel 10 then tells Stepney that steam engines were far inferior to diesel engines after Stepney has an accident, and that it was machanically possible to install a hydraulic claw to diesel engines. The next day, Diesel 10 is sent to collect a shipment of building materials from Brendam Docks. Cranky drops a load of quarry rock onto the rails, and Diesel 10 runs over it and off th rails. Diesel 10 is sent away, and Stepney takes the train. Splatter and Dodge replace Diesel 10, and tell Stepney stories about when they tried to take over the railway.

Characters

 * Thomas
 * Henry
 * Salty
 * Diesel 10
 * Stepney
 * Cranky (does not speak)
 * Splatter and Dodge (does not speak)
 * Marion (mentioned)

Trivia

 * The episode will mark the first appearance of Stepney, Splatter and Dodge.