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Season 15

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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 Edward, Henry, Gordon, James, Percy, Whiff, Dash, Salty, Den, Harold, Captain, Sir Topham Hatt, Dowager Hatt, Mr. Bubbles and the Railway Coal Inspector
  • Matt Wilkinson as Spencer, Stanley, Charlie, Bash, Victor, Cranky, Kevin, Farmer McColl, the Duke of Boxford, the Maithwaite Stationmaster and the Sodor Search and Rescue Centre Manager
  • Rupert Degas as Den (Fiery Flynn only), Dart, Flynn, Bertie and Butch
  • Togo Igawa as Hiro
  • Kerry Shale as Diesel, 'Arry, Bert and Norman
  • William Hope as the Steamworks Worker and the Farm Hands


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


  • 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.

Behind the Scenes

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