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The eighteenth series of Thomas & Friends first aired on TV on 25 August 2014 in the UK and on 4 November 2014 in the US. It contained twenty-six episodes. Like the seventeenth series, six episodes were released on DVD in the US the April before airing on television. It concluded airing on TV in the UK on 31 July 2015.

Episodes

Screenshot UK title (top)
US title (bottom)
Written by Original UK release date Episode number #
OldReliableEdwardpromo6.png Old Reliable Edward Andrew Brenner 25 August 2014 #01
Gordon teases Edward about being old and slow, so Thomas decides to make a plan to pay him out.
NotSoSlowCoachespromo.jpg Not So Slow Coaches Paul Larson & Laura Beaumont 26 August 2014 #02
Annie and Clarabel unexpectedly become part of Caitlin's high-speed train.
FlatbedsofFearpromo2.png Flatbeds of Fear Paul Larson & Laura Beaumont 27 August 2014 #03
Salty tells Thomas a story of some flatbeds which he called the "Flatbeds of Fear", causing paranoia among him, Henry and Emily.
DisappearingDieselspromo2.png Disappearing Diesels Andrew Brenner 28 August 2014 #04
The diesels hide from Paxton as a joke, but Paxton takes the joke too seriously, as he believes that all of them had disappeared.
SignalsCrossed55.png Signals Crossed Mark Huckerby
Nick Ostler
29 August 2014 #05
Toby is nervous of Knapford Junction, as he does not know which signal is his.
Toad'sAdventurepromo.jpg Toad's Adventure Mark Huckerby
Nick Ostler
1 September 2014 #06
After Oliver brags about his own adventure from escaping the scrapyard, Toad decides he wants his own and soon gets one while being James' brake van.
DuckintheWaterpromo2.png Duck in the Water Andrew Brenner 2 September 2014 #07
When James collects Rocky to help Duck, he becomes impatient and causes trouble when Rocky's crane arm isn't secured.
DuckandtheSlipCoachespromo.jpg Duck and the Slip Coaches Mark Huckerby
Nick Ostler
3 September 2014 #08
James steals Duck's idea of bringing special slip coaches to the railway.
ThomastheQuarryEnginepromo3.png Thomas the Quarry Engine Andrew Brenner 4 September 2014 #09
Diesel shows Mavis the sights of Sodor, while Thomas does all the work at the quarry.
ThomasandtheEmergencyCablepromo2.png Thomas and the Emergency Cable Andrew Brenner 5 September 2014 #10
One of Thomas' passengers pulls the emergency cable and damages Annie's wheel, so Clarabel is the only coach on the branch line.
DuncanandtheGrumpyPassengerpromo3.png Duncan and the Grumpy Passenger Davey Moore 8 September 2014 #11
Duncan gets fed up with a particularly grumpy passenger.
MarionandthePipepromo4.png Marion and the Pipe Mark Huckerby
Nick Ostler
9 September 2014 #12
Marion damages a water pipe and doesn't tell anyone.
MissingGatorpromo.jpg Missing Gator Andrew Brenner 10 September 2014 #13
Percy misses his friend Gator and struggles to forget about him.
NoSteamWithoutCoalpromo3.png No Steam Without Coal Davey Moore 11 September 2014 #14
Bill and Ben forget the coal shipment and make fun of Timothy for using oil instead.
Spencer'sVIPpromo4.png Spencer's VIP Andrew Brenner 12 September 2014 #15
All the engines compete to get to take a Deputy Minister home to the mainland, but they show off just like Spencer, and make silly mistakes.
Toad'sBrightIdeapromo1.png Toad's Bright Idea Davey Moore 15 September 2014 #16
Oliver breaks down, so Gator is sent to take his train with Toad, but has a faulty lamp which keeps going out.
LongLostFriendpromo.jpg Long Lost Friend Mark Huckerby
Nick Ostler
23 December 2014 #17
On Christmas, Gator returns to the island and is very eager to see Percy.
LastTrainforChristmaspromo3.png Last Train for Christmas Andrew Brenner 24 December 2014 #18
All the engines have to work hard to clear the snow for Connor's last train.
DuncantheHumbugpromo.jpg Duncan the Humbug Davey Moore 25 December 2014 #19
The Thin Controller makes Duncan promise to be cheerful at Christmas time in order to get a new coat of paint, which proves to be very difficult for him.
ThePerfectGiftpromo.jpg The Perfect Gift Davey Moore 26 December 2014 #20
Percy looks to find Reg the perfect Christmas gift.
EmilySavestheWorldpromo3.png Emily Saves the World Paul Larson & Laura Beaumont 27 July 2015 #21
Emily has to take a giant globe to the animal park, but when she wants to show her friends, the globe comes off her flatbed.
TimothyandtheRainbowTruckpromo3.png Timothy and the Rainbow Truck
Timothy and the Rainbow Car
Davey Moore 28 July 2015 #22
Bill and Ben send Timothy on a wild goose chase for a rainbow coloured truck, but their trick gets them in trouble.
MarionandtheDinosaurs122.png Marion and the Dinosaurs Andrew Brenner 29 July 2015 #23
Marion is spooked by some lifelike dinosaur models and thinks they are real dinosaurs, until she meets a new engine from the mainland named Samson.
SamsonatYourServicepromo2.jpg Samson at Your Service Davey Moore 30 July 2015 #24
Samson takes the express coaches by mistake but refuses to admit it and doesn’t listen to the other engines.
SamsonSentforScrappromo4.png Samson Sent for Scrap Mark Huckerby
Nick Ostler
31 July 2015 #25
Harvey and Samson have to clean up the island of scrap, but Samson takes the job too seriously.
MillieandtheVolcanopromo.jpg Millie and the Volcano Andrew Brenner 31 July 2015 #26
After being laughed at, Millie is determined to get back at Samson and Harvey.

Songs

Characters

Characters Introduced

Half Hour Format

When Series 18 aired on PBS Kids in the US, each broadcast included two episodes, a song, a Mr. Perkins' Railway segment and Guess Who? Puzzle segments. When the series was broadcast on Nick Jr., the segments were omitted.

Fast & Reliable

There’s Always a Good Explanation

Special Friends

Please Be Patient

  • Thomas the Quarry Engine
  • Song: On a Journey Today
  • Mr. Perkins' Railway: Sounds of the Railway
  • Duck in the Water

Signals & Alarms

  • Signals Crossed
  • Song: Hey, Hey Thomas
  • Thomas and the Emergency Cable

Going Underground

Christmas Cheer

  • Duncan the Humbug
  • Song: It's Christmas Time
  • Mr. Perkins' Railway: Who Works on the Railway
  • The Perfect Gift

Passengers

  • Duncan and the Grumpy Passenger
  • Song: Working Together
  • Mr. Perkins' Railway: Different Sizes
  • Spencer’s VIP

Illuminating Minds

Coming Home for Christmas

  • Last Train for Christmas
  • Song: It's Christmas Time
  • Long Lost Friend

Recycle Recycle Recycle!

  • Timothy and the Rainbow Car
  • Song: Let's Be Brave
  • Mr. Perkins' Railway: Different Engines
  • Samson Sent for Scrap

Jurassic Sodor

  • Marion and the Dinosaurs
  • Song: Monsters Everywhere
  • Mr. Perkins' Railway: How Steam Engines Use Water
  • Millie and the Volcano

Special Deliveries

  • Emily Saves the World
  • Song: Searching Everywhere
  • Mr. Perkins' Railway: Turning Around
  • Samson at Your Service

Cast

UK, AUS and NZ

US and CAN

Trivia

  • The final six episodes of this series were sold to PBS, Milkshake, ABC, FOUR, Minimax and JimJam as part of the Series 19 block, despite being produced with Series 18.
  • This series marks the first of a few things:
  • This is the only series to date in which Whiff appears, but does not speak since his introduction.
  • This series marked the last of a few things:
  • This is the second series not to feature Stephen Hatt.
  • Like the seventeenth series, although Arc Productions had officially taken over the animation aspects of the television series, the episodes still used the opening titles and closing credits made by Nitrogen Studios. This was the final series to use their opening and closing footage and from the nineteenth series, the opening and closing footage were made by Arc Productions.
  • According to Ryan Hagan of SiF, the episodes in Spills and Thrills were going to be part of this series.

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