Season 12
Director(s)	Stephen Asquith
Producer(s)	Simon Spencer
Starring	Michael Angelis (UK) Michael Brandon (US) Pierce Brosnan (original cut)
Music by	Robert Hartshorne Ed Welch
Preceded by	Season 11
Followed by	Season 13

The twelfth season of the television series aired in 2008. The twenty episodes were narrated by Michael Angelis in the UK and Michael Brandon in the US.

EpisodesEdit

1. Thomas and the Billboard - Diesel obscures Thomas in a photograph of the engines.
2. Steady Eddie - Edward takes the Great Waterton water wheel on the scenic route to show off to his friends.
3. Rosie's Funfair Special/Rosie's Carnival Special - Rosie and Emily are pulling a train for a fair, but Rosie wants to pull it alone.
4. Mountain Marvel - Peter Sam rushes to finish his jobs in order to hear a tale about Proteus from the famous storyteller, Miss Marvel.
5. Henry Gets It Wrong - Henry worries that the workmen are going to cut down the wishing tree.
6. Heave Ho Thomas! - A large new engine called Hank arrives, but Thomas is determined not to need his help.
7. Toby's Special Surprise - Toby wants to make an impression by searching Sodor for something special.
8. Excellent Emily - Emily becomes arrogant after receiving praise from the Fat Controller.
9. The Party Surprise - Freddie decides to reorganize a winter party at Mr. Percival's house as a surprise for Colin the crane.
10. Saved You! - Thomas wants to prove his heroism when he learns a fireman is to be honoured.
11. Duncan and the Hot Air Balloon - Mr. Percival's twins are getting a ride in the Hot Air Balloon for their birthday, but Duncan wants to take them himself.
12. James Works It Out - When James ignores Hector's advice, he gets caught in bad winter weather.
13. Tram Trouble - 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.
14. Don't Go Back - Thomas and Diesel race backwards.
15. Gordon Takes a Shortcut - Gordon gets lost while taking a shortcut and refuses to ask for help.
16. The Man in the Hills - Thomas and the narrow gauge engines collect presents for Mr. Percival's birthday.
17. Thomas Puts the Brakes On - Thomas' brakes malfunction while delivering bricks to repair a bridge.
18. Percy and the Bandstand - Percy is tasked with bringing Lady Hatt to a surprise party - but the unknowing Lady Hatt tells him to go elsewhere.
19. Push Me, Pull You - Skarloey refuses Rheneas' help to pull a train for a puppet show and ends up playing the trucks' games.
20. Best Friends - Thomas tries to avoid telling Percy he has been given a job Percy wants to do.

CharactersEdit

• Thomas
• Edward
• Henry
• Gordon
• James
• Percy
• Toby
• Duck
• Donald and Douglas
• Oliver
• Ben
• Emily
• Murdoch
• Neville
• Rosie
• Whiff
• Stanley
• Diesel
• Mavis
• Salty
• Skarloey
• Rheneas
• Sir Handel
• Peter Sam
• Duncan
• Freddie
• Mighty Mac
• Rusty
• Toad
• Hector
• Bertie
• Jack
• Harold
• Sir Topham Hatt
• Lady Hatt
• Stepney (does not speak in UK version)
• Arthur (does not speak)
• Harvey (does not speak)
• 'Arry and Bert (do not speak)
• Annie and Clarabel (do not speak)
• Henrietta (does not speak)
• Rocky (does not speak)
• Trevor (does not speak)
• Alfie (does not speak)
• Cranky (does not speak)
• Jeremy (does not speak)
• Dowager Hatt (does not speak)
• Miss Jenny (does not speak)
• Sodor Brass Band (does not speak)
• Bulgy (cameo)
• Max or Monty (cameo)
• Proteus (mentioned)
• The Mayor of Sodor (mentioned)
• Dennis (learning segment)

Characters introducedEdit

• Colin
• Hank
• Flora
• The Tree Specialists (do not speak)
• Mr. Giggles (does not speak)
• The Teacher (cameo)

TriviaEdit

• This is the first season to use CGI.
• This is the last season to use models and clay faces. The clay faces are used in background shots.
• This is the first season to have all of the human and animal characters in CGI.
• This is the first season to only have twenty episodes.
• This is TV series veteran Steve Asquith's final season.
• Pierce Brosnan was originally going to narrate this season, but was later replaced by Michael Angelis and Michael Brandon.
• This was the last season to have all of the characters voiced by the narrator.
• This is the first season not to be shown in Japan.
• In the UK, this season was supposed to be shown after The Great Discovery, but was brought forwards for unknown reasons.