"Wake up, Merrick! You're ruining the hustle and bustle of the quarry!"
-Sleepy Merrick, first season
Skarloey is an old narrow guage engine.
- Season 1 - Luke and the Special Party, The New Diesel Fuel (does not speak), and Making Fun
- Season 2 - Don't Be Late!, Duncan's Predicament, Welcome Smudger, and Sir Handel and the Ghost Engine
- Season 3 - Duncan and Luke, The Truth is Revealed, An Earned Apology, Duke's Final Run, and Bike Care
- Season 4 - Trapped, Mud and Roads, A Second Language, and Welcome Back, Jack!
- Season 5 - High and Mighty, Down the Bridge, and Diesel Domination
- Season 6 - Sherwood the Infamous, The Thin Controller's Assistant,
|Skarloey • Rheneas • Sir Handel • Peter Sam • Rusty • Duncan • Ivo Hugh • Duke • Jayden • Fred • Albert|
|Bertram • Mighty Mac • Freddie • Luke • Proteus • Paul|