|image=250px |season number=Season 18 |director=David Stoten
Don Spencer |producer=Robert Anderson
Brian Lynch
(Arc Productions)
Ian McCue
(HiT Entertainment) |starring=Mark Moraghan |music=Robert Hartshorne |preceded by=Season 17 |followed by=Season 19 }} The eighteenth season of the television series began airing on August 25th, 2014 in the UK and on November 4th, 2014 in the US. It contained twenty-six episodes. Like the seventeenth season, five episodes were released on DVD in the US before airing on television. It concluded in the UK on July 31st, 2015.


  1. Old Reliable Edward - The bigger engines tease Edward for being old and unreliable, especially Gordon.
  2. Not So Slow Coaches - Annie and Clarabel unexpectedly become part of Caitlin's high-speed train.
  3. Flatbeds of Fear - Salty tells the story of the "Flatbeds of Fear" which spooks the engines.
  4. Disappearing Diesels - Devious Diesel and the others hide from Paxton.
  5. Signals Crossed - Toby is nervous when the signal at Knapford stays red.
  6. Toad's Adventure - Toad has an adventure on the main line with James.
  7. Duck in the Water - James has to rescue Duck from a flood, but ends up making things a whole lot worse.
  8. Duck and the Slip Coaches - James runs into trouble with some slip coaches which are used on the Great Western Railway.
  9. Thomas the Quarry Engine - Thomas works at the quarry while Diesel takes Mavis to see the sights of Sodor.
  10. Thomas and the Emergency Cable - Thomas has to stop quickly when a passenger pulls the emergency cable.
  11. Duncan and the Grumpy Passenger - Duncan tries his best to stop a passenger from complaining.
  12. Marion and the Pipe - Marion thinks she's found an old Viking ship, but it turns out to be a water pipe which springs a leak.
  13. Missing Gator - Percy struggles to remember what Gator taught him about being brave.
  14. No Steam Without Coal - Bill and Ben run out of coal and need Timothy's help.
  15. Spencer's VIP - All the engines compete for a chance to take a VIP.
  16. Toad's Bright Idea - Toad has an idea to help Gator run safely at night.
  17. Long Lost Friend - Gator returns to the island where he has a touching reunion with Percy.
  18. Last Train for Christmas - Connor has the tricky task of getting all of his passengers from the mainland home in time for Christmas.
  19. Duncan the Humbug - Mr. Percival promises Duncan he can be first for a new coat of paint if he can stop grumbling for a day.
  20. The Perfect Gift - Percy tries to get Reg in the Christmas spirit.
  • 01.05.2016 - Emily Saves the World - Emily gets very excited when she's asked to deliver a globe to the Animal Park.
  • 08.05.2016 - Timothy and the Rainbow Truck/Timothy and the Rainbow Car - Bill and Ben send Timothy on a wild goose chase, but get more than they'd bargained for.
  • 15.05.2016 - Marion and the Dinosaurs - Marion is spooked by some lifelike models for the Earl's new Dinosaur Park.
  • 22.05.2016 - Samson at Your Service - Proud Samson learns to admit when he's in the wrong.
  • 29.05.2016 - Samson Sent for Scrap - Samson takes his job description a little too literally, causing confusion.
  • 05.06.2016 - Millie and the Volcano - Millie is cross when Samson and Harvey call her scared, so she teaches them a lesson.



Characters Introduced

Half Hour Format

Fast & Reliable

  • Old Reliable Edward
  • Not So Slow Coaches

There’s Always a Good Explanation

  • Flatbeds of Fear
  • Disappearing Diesels

Special Friends

  • Toad’s Adventure
  • Duck and the Slip Coaches

Please Be Patient

  • Thomas the Quarry Engine
  • Duck in the Water

Signals & Alarms

  • Signals Crossed
  • Thomas and the Emergency Cable

Going Underground

  • Marion and the Pipe
  • Missing Gator

Christmas Cheer!

  • Duncan The Humbug
  • The Perfect Gift


  • Duncan and the Grumpy Passenger
  • Spencer’s VIP

Illuminating Minds

  • No Steam Without Coal
  • Toad’s Bright Idea

Coming Home for Christmas

  • Last Train for Christmas
  • Long Lost Friend

Recycle Recycle Recycle!

  • Timothy and the Rainbow Car
  • Samson Sent for Scrap

Jurassic Sodor

  • Marion and the Dinosaurs
  • Millie and the Volcano

Special Deliveries

  • Emily Saves the World
  • Samson at Your Service


UK and AUS



Community content is available under CC-BY-SA unless otherwise noted.