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The twelfth season of Thomas & Friends began airing in September 2008. The season is the first to utilize CGI features, with the characters' faces being animated in CGI, with human characters being fully CGI animated. There are twenty episodes in this season and all were narrated by Michael Angelis in the UK and Michael Brandon in the US, although Pierce Brosnan was to originally narrate this season in both English dubs.


Screenshot UK title (top)
US title (bottom)
Written by Original UK
release date
Episode number #
ThomasAndTheBillboard99 Thomas and the Billboard Mark Robertson 1st September 2008 #01
Diesel obscures Thomas in a photograph of the engines.
SteadyEddie19 Steady Eddie Sharon Miller 2nd September 2008 #02
Edward takes the Great Waterton water wheel on the scenic route to show off to his friends.
Rosie'sFunfairSpecial87 Rosie's Funfair Special
Rosie's Carnival Special
Andrew Viner 3rd September 2008 #03
Rosie and Emily are pulling a train for a fair, but Rosie wants to pull it alone.
MountainMarvel74 Mountain Marvel Sharon Miller 4th September 2008 #04
Peter Sam rushes to finish his jobs in order to hear a tale about Proteus from the famous storyteller, Miss Marvel.
HenryGetsItWrong13 Henry Gets it Wrong Abi Grant 5th September 2008 #05
Henry worries that the workmen are going to cut down the wishing tree.
HeaveHoThomas!34 Heave Ho Thomas! Sharon Miller 8th September 2008 #06
A large new engine called Hank arrives, but Thomas is determined not to need his help.
Toby'sSpecialSurprise69 Toby's Special Surprise Sharon Miller 9th September 2008 #07
Toby wants to make an impression by searching Sodor for something special.
ExcellentEmily50 Excellent Emily Paul Larson 10th September 2008 #08
Emily becomes arrogant after receiving praise from the Fat Controller.
ThePartySurprise69 The Party Surprise Simon Spencer 11th September 2008 #09
Freddie decides to reorganise a winter party from Mr. Percival's house to the Wharf as a surprise for Colin the crane.
SavedYou!19 Saved You! Paul Larson 12th September 2008 #10
Thomas wants to prove his heroism when he learns a fireman is to be honoured.
DuncanAndTheHotAirBalloon80 Duncan and the Hot Air Balloon Mark Robertson 15th September 2008 #11
Mr. Percival's twins are getting a ride in the Hot Air Balloon for their birthday, but Duncan wants to take them himself.
JamesWorksItOut46 James Works it Out Simon Spencer 16th September 2008 #12
When James ignores Hector's advice, he gets caught in bad winter weather.
TramTrouble55 Tram Trouble Sharon Miller 17th September 2008 #13
Toby and Flora are heading a parade at Great Waterton; Thomas thinks Toby would rather lead the event on his own and tries to distract Flora.
Don'tGoBack11 Don't Go Back Simon Spencer 18th September 2008 #14
Thomas and Diesel race backwards.
GordonTakesaShortcut11 Gordon Takes a Shortcut Wayne Jackman 19th September 2008 #15
Gordon gets lost while taking a shortcut and refuses to ask for help.
TheManintheHills71 The Man in the Hills Sharon Miller 22nd September 2008 #16
Thomas and the narrow gauge engines collect presents for Mr. Percival's birthday.
ThomasPutsTheBrakesOn44 Thomas Puts the Brakes On Mark Robertson 23rd September 2008 #17
Thomas' brakes malfunction while delivering bricks to repair a bridge.
PercyandtheBandstand62 Percy and the Bandstand Paul Larson 24th September 2008 #18
Percy is tasked with bringing Lady Hatt to a surprise party, but the unknowing Lady Hatt tells him to go elsewhere.
PushMe,PullYou63 Push Me, Pull You Sharon Miller 25th September 2008 #19
Skarloey refuses Rheneas' help to pull a train for a puppet show and ends up playing the trucks' games.
BestFriends71 Best Friends Anna Starkey 26th September 2008 #20
Thomas tries to avoid telling Percy he has been given a job Percy wants to do.



Characters Introduced

Half Hour Format

When season 12 aired on PBS Kids, Nick Jr. UK and Treehouse, each broadcast had 2 episodes from season 12, a segment dedicated to one of Thomas' friends and past animated learning segments and songs from seasons 8, 9 and 10 were used.

Good Friends

Being Careful

Good Turns

  • Heave Ho Thomas!
  • Learning Segment: Guess the Engine - James
  • Song: Pride
  • Thomas' Favourite Friends - Henry
  • Learning Segment: Which Engine for Which Job?
  • Toby's Special Surprise

Right Track

  • Don't Go Back
  • Learning Segment: Dot to Dot - Gordon
  • Learning Segment: Over the Bridge
  • Thomas' Favourite Friends - Gordon
  • Learning Segment: Which Track for Henry?
  • Learning Segment: Emily Huffs out of the Station
  • Percy and the Bandstand


  • Thomas Puts the Brakes On
  • Learning Segment: Guess the Engine - Emily
  • Song: Brave
  • Thomas' Favourite Friends - Neville and Dennis
  • Learning Segment: Getting There
  • Gordon Takes a Shortcut

Presents and Prizes

  • The Man in the Hills
  • Learning Segment: Dot to Dot - Edward
  • Learning Segment: What is Thomas Thinking of?
  • Thomas' Favourite Friends - Harold and Jeremy
  • Learning Segment: Which Load to Which Station?
  • Excellent Emily


  • Tram Trouble
  • Learning Segment: Dot to Dot - Toby
  • Song: Responsibility
  • Thomas' Favourite Friends - Edward
  • Learning Segment: Who Can get to the Washdown?
  • James Works it Out

Pulling Together

  • Rosie's Funfair Special
  • Learning Segment: Dot to Dot - Percy
  • Song: Togetherness
  • Thomas' Favourite Friends - Diesel
  • Learning Segment: Which Load for What Occasion
  • Push Me, Pull You


  • Duncan and the Hot Air Balloon
  • Learning Segment: Dot to Dot - Thomas
  • Learning Segment: What Does Toby see?
  • Thomas' Favourite Friends - The Narrow Gauge Engines
  • Learning Segment: Percy's Treasure
  • Mountain Marvel



  • This was the first season of several things:
    • The first season of the CGI Series.
    • The first season where all engines' faces, human characters, animals and environmental surroundings are in full CGI and have animation.
    • Harold, Sir Topham Hatt, Lady Hatt, Alice, The Engineer, Dowager Hatt, Jenny Packard, Sodor Brass Band and other human character's first appearances in full CGI.
    • Sharon Miller's first season as head writer.
    • Claire Waxler's first season as supervising producer, albeit uncredited.
      • This season was also her first and only season as animation coordinator.
    • The first season to have twenty episodes.
    • The first season produced and to contain CGI by Nitrogen Studios.
    • The first HiT season recorded and edited in 25 FPS (aside from the end credits).
    • The first Thomas & Friends production since Thomas and the Magic Railroad in which human characters are shown walking onscreen.
    • The first season to premiere on Milkshake! before the half hour airings on Nick Jr. in the UK.
    • The first season since their debuts where Arthur, 'Arry, Rocky, Cranky and Alfie appear, but do not speak in any of their appearances.
    • The first season in which Stephen Hatt does not appear.
    • The first season to have Mark Robertson write episodes for the series.
    • The first season in which Butch does not appear since his introduction in the fifth season.
    • The first season in which each characters have their own voices in the South Korean dub.
  • This was also the last season of several things as well:
    • The last season of the New Series.
    • The last season to use models and resin faces, however the resin faces were only used in background shots.
    • Simon Spencer's last season as producer and showrunner.
    • The last season filmed at Shepperton Studios.
    • The last season to feature songs composed by Ed Welch.
    • The television series veteran Steve Asquith's final season as director.
    • The last production to have all of the characters voiced by the narrator until Thomas Goes to New York.
    • The last season to have Abi Grant, Simon Spencer, and Wayne Jackman apart of the writing team.
    • The last time Paul Larson writes an episode until the seventeenth season as well as the last season where he writes an episode by himself.
    • The final time until the eighteenth season episode, Samson Sent for Scrap to use the brake sound from The Train.
    • The last season to have songs sung by children until The Adventure Begins.
    • The last season since to have 7 minute episodes until the twenty-second season.
    • The last season to open with Awdry's letter to Christopher in television broadcasts.
    • The last season until the seventeenth to not feature Thomas or any Steam Team member in every episode.
    • The last season released on Complete Series DVD in Australia.
  • This was also the only season of several things as well:
    • The only season to use a hybrid model-CGI mix.
    • Dino Athanassiou's only season as CGI director.
    • Pete Atkin's only season as voice director.
    • The only season where Ben appears without Bill.
    • The only season not shown on Japanese television, but some episodes have been shown exclusively at Thomas Land's 3D Theatre and Video on Demand in Japan.
    • The only CGI season not to have a full voice cast for the characters outside of France and Korea.
    • Aside from the Teacher and the tree specialists, all of the characters introduced in this season have only ever appeared in their debut episodes.
    • This is the only season to have Anna Starkey write an episode for the series. 
    • It is also the only season to have Andrew Viner write for the series until season 16.
    • The only season not dubbed in Dutch.
    • The only season where Flora, Hank and Colin appear. Colin was meant to appear in King of the Railway, but was cut for unknown reasons.
  • This season contained the 300th episode of the television series, which was James Works it Out.
  • Pierce Brosnan was originally hired to narrate this season after The Great Discovery, but he was withdrawn from the series and Michael Angelis and Michael Brandon returned to replace Pierce Brosnan. Pierce is known to have recorded narration for, at the very least, several episodes of the season.
  • In the UK, this season was supposed to be shown after The Great Discovery, but was brought forwards for unknown reasons, meaning that the audience would may have not known about Stanley or Great Waterton.
  • This season was never shown in Hungary, Norway, Romania, Poland and the Netherlands, meaning audiences will not know about any of the new characters introduced in this season.
  • Harvey and Arthur were the only engines not to utilise CGI face masks. However, two pictures from a magazine story show Harvey with a CGI face.
  • The series cost £2.5 million/$3,126,750.00 (US) to make, with each episode taking around five days to film.
  • In Hungary, Czech Republic and Slovakia, earlier created seasons, like season 1, would have started to air around the time this season was created.