Thomas the Tank Engine Wikia

Season 18

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This article is about the season. You may be looking for the digital download release.

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.
  21. Emily Saves the World - Emily gets very excited when she's asked to deliver a globe to the Animal Park.
  22. 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.
  23. Marion and the Dinosaurs - Marion is spooked by some lifelike models for the Earl's new Dinosaur Park.
  24. Samson at Your Service - Proud Samson learns to admit when he's in the wrong.
  25. Samson Sent for Scrap - Samson takes his job description a little too literally, causing confusion.
  26. Millie and the Volcano - Millie is cross when Samson and Harvey call her scared, so she teaches them a lesson.



Characters Introduced


UK and AUS



  • The final six episodes of this season were sold to PBS, Milkshake and the ABC as part of the Season 19 block, despite being produced with Season 18.
  • This season marks the first of a few things:

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