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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.


Screenshot UK title (top)
US title (bottom)
Written by Original UK release date Episode number #
OldReliableEdwardpromoOld Reliable EdwardAndrew Brenner25 August 2014#01
Gordon teases Edward about being old and slow, so Thomas decides to make a plan to pay him out.
NotSoSlowCoachespromoNot So Slow CoachesPaul Larson & Laura Beaumont26 August 2014#02
Annie and Clarabel unexpectedly become part of Caitlin's high-speed train.
FlatbedsofFearpromoFlatbeds of FearPaul Larson & Laura Beaumont27 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.
DisappearingDieselspromoDisappearing DieselsAndrew Brenner28 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.
SignalsCrossedpromoSignals CrossedMark Huckerby
Nick Ostler
29 August 2014#05
Toby is nervous of Knapford Junction, as he does not know which signal is his.
Toad'sAdventurepromoToad's AdventureMark 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.
DuckintheWaterpromoDuck in the WaterAndrew Brenner2 September 2014#07
When James collects Rocky to help Duck, he becomes impatient and causes trouble when Rocky's crane arm isn't secured.
DuckandtheSlipCoachespromoDuck and the Slip CoachesMark Huckerby
Nick Ostler
3 September 2014#08
James steals Duck's idea of bringing special slip coaches to the railway.
ThomastheQuarryEnginepromoThomas the Quarry EngineAndrew Brenner4 September 2014#09
Diesel shows Mavis the sights of Sodor, while Thomas does all the work at the quarry.
ThomasandtheEmergencyCablepromoThomas and the Emergency CableAndrew Brenner5 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.
DuncanandtheGrumpyPassengerpromoDuncan and the Grumpy PassengerDavey Moore8 September 2014#11
Duncan gets fed up with a particularly grumpy passenger.
MarionandthePipepromoMarion and the PipeMark Huckerby
Nick Ostler
9 September 2014#12
Marion damages a water pipe and doesn't tell anyone.
MissingGatorpromoMissing GatorAndrew Brenner10 September 2014#13
Percy misses his friend Gator and struggles to forget about him.
NoSteamWithoutCoalpromoNo Steam Without CoalDavey Moore11 September 2014#14
Bill and Ben forget the coal shipment and make fun of Timothy for using oil instead.
Spencer'sVIPpromoSpencer's VIPAndrew Brenner12 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'sBrightIdeapromoToad's Bright IdeaDavey Moore15 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.
LongLostFriendpromoLong Lost FriendMark Huckerby
Nick Ostler
23 December 2014#17
Gator returns to the island for Christmas and is very eager to see Percy.
LastTrainforChristmaspromoLast Train for ChristmasAndrew Brenner24 December 2014#18
All the engines have to work hard to clear the snow for Connor's last train.
DuncantheHumbugpromoDuncan the HumbugDavey Moore25 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.
ThePerfectGiftpromoThe Perfect GiftDavey Moore26 December 2014#20
Percy looks to find Reg the perfect Christmas gift.
EmilySavestheWorldpromoEmily Saves the WorldPaul Larson & Laura Beaumont27 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.
TimothyandtheRainbowTruckpromoTimothy and the Rainbow Truck
Timothy and the Rainbow Car
Davey Moore28 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.
MarionandtheDinosaurspromoMarion and the DinosaursAndrew Brenner29 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.
SamsonatYourServicepromoSamson at Your ServiceDavey Moore30 July 2015#24
Samson takes the express coaches by mistake but refuses to admit it and doesn’t listen to the other engines.
SamsonSentforScrappromoSamson Sent for ScrapMark 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.
MillieandtheVolcanopromoMillie and the VolcanoAndrew Brenner31 July 2015#26
Samson laughs at Millie, and she is determined to get them back.



Characters Introduced

Half Hour Format

When Series 18 aired on PBS 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


  • 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


UK, AUS and NZ

US and CAN


  • 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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