Episode X: Attack of the Railway Pirates is the tenth and final episode of the first season. It was split in two parts, uploaded on April 29 and 30, 2014.
Three men hijack Skarloey to steal the gunpowder he's carrying, and Sir Handel and Bertram must be brave and stop them.
- Sir Handel
- Mr. Percival
- Elliot "Bogus" Walters
- Head of Police
- Ivo Hugh (only speaks in Part 2)
- Peter Sam (does not speak)
- Rusty (does not speak)
- Ada, Jade, and Mabel (cameo)
The following appeared in the stills during the credits
- The plot was inspired by the 2013 movie Captain Phillips
- This episode features music from the films Harry Potter and the Half Blood Prince, Harry Potter and the Goblet of Fire, Wallace and Gromit: A Close Shave, Star Wars Episode II: Attack of the Clones, and Harry Potter and the Deathly Hallows Part 2.
- This is first episode to feature SI3D's 2012 models of the Skarloey Railway Engines. However, since the new models are a different scale and are massive compared to the original 2006 ones, they were only used for shots that do not involve other narrow gauge engines.
- This is the first episode to feature SodorFan2K10 and JakerBraker123 as voice actors, voicing Skarloey and Rheneas, respectivley.
- This is the last episode to feature the 2nd intro, first used in episode 4, as a new one will be used every season.
- This is the second episode to be split in two parts, the first being Gordon Goes Swimming.
- The credits feature stills from all 9 previous episodes.
- Antagonists: Thitkens, Boots, and Bogus
- When Thitkens falls off the bridge, the Wilhelm scream sound effect can be heard.