Characters Blue Engines Thomas Edward Gordon Bear Green Engines Henry Percy Duck Oliver Derek D261 BoCo Red Engines James Olton Hall Black Engines Donald and Douglas Neville Diesel Yellow Engines Bill and Ben Episodes Season 1 A Snobbish Return Learning Lessons Moderation Something's Fishy A Foot! Trucks and Trouble! The Night Mail Mess! Derek To The Rescue! Trouble for George! Neville & The Lively Livestock! Gordon The Banker! Season 2 Dirty Trucks, Dirty Sidings! A Proper Challenge! Thumper Saves The Day! Gradients! Murdoch Remembers! A Duke's Brave But Dangerous Plan! Taking its Course A Shunter's Special Touch Leftover Kippers! Old Slow Coach! Season 3 Audiobooks The Original NWR Engines Stories and Scrapes "His Majesty" The Traction Engine John the Green Knight