Thomas the Tank Engine Wikia

Season 15

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Season 15

Greg Tiernan


Nicole Stinn


Michael Angelis (UK)
Michael Brandon (US)

Music by

Robert Hartshorne

Preceded by

Season 14

Followed by

Season 16

The fifteenth season of the television series aired during March 2011 in the UK and between April and June in the US. This season has a total of twenty episodes.


  1. Gordon and Ferdinand - Gordon is embarrassed to be seen with Ferdinand whilst delivering the Lion of Sodor.
  2. Toby and Bash - Toby tries to find Bash a home on Sodor, but Bash misses his friends on Misty Island.
  3. Emily and Dash - Emily has to escort Dash to a steam fair, but thoughtlessly leaves him behind.
  4. Percy's New Friends - After his friends say they are too busy to play, Percy decides to make friends with the animals on Sodor.
  5. Edward the Hero - Edward wants to be a hero like Harold.
  6. James to the Rescue - James refuses to work with Toby as the rescue engine, but soon regrets his decision.
  7. Happy Hiro - Hiro is feeling homesick, so Thomas tries to cheer him up by taking him to Misty Island.
  8. Up, Up and Away! - Thomas and Percy deliver Mr. Bubbles' giant balloon.
  9. Henry's Happy Coal - 'Arry and Bert tease Henry about using special coal.
  10. Let it Snow - Whilst collecting logs for an animal shelter, Thomas sings the Misty Island Snow Song in hopes of making it snow.
  11. Surprise, Surprise - Thomas tries to hold a Christmas party at the Sodor Steamworks for his friends, but does not tell Victor.
  12. Spencer the Grand - Spencer disobeys orders and tries to puff to the Duke and Duchess of Boxford's Summer House in the fog.
  13. Stop that Bus! - Thomas takes Bertie on a tour, but Bertie has to pick up Dowager Hatt and her friends.
  14. Stuck on You - Thomas and Butch do not listen to Victor's instructions, so they do not know how to work Butch's new magnet.
  15. Big Belle - Belle's attempts to be friends with Toby only frighten the steam tram away.
  16. Kevin the Steamie - Kevin practices shunting so that he can take part in Thomas and Percy's game.
  17. Wonky Whistle - Thomas rushes off before his whistle can be properly fixed and scares Farmer McColl's animals.
  18. Percy the Snowman - Thomas promises to take a depressed Percy to pick up Sir Topham Hatt, but whilst Thomas is finishing his jobs, he only succeeds in covering Percy in snow.
  19. Tree Trouble - The Diesels and Thomas compete to find the best Christmas tree for the Steamworks and Dieselworks.
  20. Fiery Flynn - Flynn tries to impress the Diesels with his bravado with potentially disastrous results.



Characters Introduced


UK and AUS

  • Michael Angelis as the narrator
  • Ben Small as Thomas, Toby, and Ferdinand
  • Teresa Gallagher as Emily, Rosie, Belle, Mavis, Lady Hatt, and the Ginger-haired Boy
  • Keith Wickham as Gordon, Henry, James, Percy, Edward, Whiff, Dash, Salty, Den, Norman, Harold, Captain, Sir Topham Hatt, Dowager Hatt, Mr. Bubbles, and the Railway Coal Inspector
  • Matt Wilkinson as Spencer, Stanley, Charlie, Victor, Bash, Cranky, Kevin, Farmer McColl, the Duke of Boxford, the Maithwaite Stationmaster, and the Sodor Search and Rescue Centre Manager
  • Rupert Degas as Bertie, Butch, Dart, and Flynn
  • Togo Igawa as Hiro
  • Kerry Shale as Diesel, 'Arry, and Bert
  • William Hope as the Steamworks Worker and the Farm Hands



  • This season was supposed to be shown after Day of the Diesels, but was brought forwards for unknown reasons.
  • This season marks the first of a few things:
  • This season marks the last of a few things:
  • Percy's whistle now budges up and down when he uses it.
  • Jules de Jongh is mentioned in the UK credits despite not having a role.
  • On Netflix UK, this series was listed as being season 13. The mistake was later corrected.

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