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The fifteenth series of Thomas & Friends first aired during March 2011 in the UK and between April and June in the US. This series has a total of twenty episodes, all of which were narrated by Michael Angelis in the UK and Michael Brandon in the US. Mark Moraghan later re-narrated two episodes in 2015.

Episodes

(Note: * means that an episode never released on home media in the US.)

Screenshot Title Written by Original UK release date Episode number #
GordonandFerdinandpromo Gordon and Ferdinand Sharon Miller 1 March 2011 #01
Gordon is embarrassed to be seen with Ferdinand while delivering the Lion of Sodor.
TobyandBashpromo Toby and Bash Sharon Miller 2 March 2011 #02
Toby tries to find Bash a home on Sodor, but Bash misses his friends on Misty Island.
EmilyandDashpromo2 Emily and Dash Sharon Miller 3 March 2011 #03
Emily has to escort Dash to a steam fair but thoughtlessly leaves him behind.
Percy'sNewFriendspromo Percy's New Friends Gerard Foster 4 March 2011 #04
After his friends say they are too busy to play, Percy decides to make friends with the animals on Sodor.
EdwardtheHeropromo Edward the Hero Sharon Miller 7 March 2011 #05
Edward wants to be a hero like Harold.
JamestotheRescuepromo2 James to the Rescue Sharon Miller 8 March 2011 #06
James refuses to work with Toby as the rescue engine, but soon regrets his decision.
HappyHiro Happy Hiro Sharon Miller 9 March 2011 #07
Hiro is feeling homesick, so Thomas tries to cheer him up by taking him to Misty Island.
Up,UpandAway!promo19 Up, Up and Away! Sharon Miller 10 March 2011 #08
Thomas and Percy deliver Mr. Bubbles' giant balloon.
Henry'sHappyCoalpromo Henry's Happy Coal * Sharon Miller 11 March 2011 #09
'Arry and Bert tease Henry about using special coal.
LetitSnow32 Let it Snow Sharon Miller 14 March 2011 #10
While collecting logs for an animal shelter, Thomas sings the Misty Island Snow Song in hopes of making it snow for Christmas.
SurpriseSurprisepromo Surprise, Surprise Sharon Miller 15 March 2011 #11
Thomas tries to hold a Christmas party for Percy, Edward and Stanley at the Sodor Steamworks, but does not tell Victor.
SpencertheGrandpromo Spencer the Grand Jessica Sandys Clarke 16 March 2011 #12
Spencer disobeys orders and tries to puff to the Duke and Duchess of Boxford's summer house in the fog.
StopThatBus!promo Stop That Bus! Sharon Miller 17 March 2011 #13
Thomas takes Bertie on a tour, but Bertie has to pick up Dowager Hatt and her friends.
StuckonYoupromo2 Stuck on You Sharon Miller 18 March 2011 #14
Thomas and Butch do not listen to Victor's instructions, so they do not know how to work Butch's new magnet.
BigBellepromo Big Belle Sharon Miller 21 March 2011 #15
Belle's attempts to be friends with Toby only frighten the steam tram away.
KevintheSteamiepromo Kevin the Steamie Laurie Israel
Rachel Ruderman
22 March 2011 #16
Kevin practices shunting so that he can take part in Thomas and Percy's game.
WonkyWhistlepromo Wonky Whistle Neil Ben 23 March 2011 #17
Thomas rushes off before his whistle can be properly fixed and scares Farmer McColl's animals.
PercytheSnowmanpromo5 Percy the Snowman Lizzie Ennever 24 March 2011 #18
Thomas has a special job of taking the Fat Controller to switch on the Christmas lights, and wants to share it with Percy. But he only covers his best friend in snow.
TreeTroublepromo Tree Trouble Sharon Miller 25 March 2011 #19
Diesel, Den, Dart and Thomas compete to find the best Christmas tree for the Steamworks and Dieselworks.
FieryFlynnpromo Fiery Flynn Sharon Miller 28 March 2011 #20
Flynn tries to impress the diesels with his bravado with potentially disastrous results.

Screenshot Title Written by Original US release date Episode number #
GordonandFerdinandpromo Gordon and Ferdinand Sharon Miller 3 April 2011 #01
Gordon is embarrassed to be seen with Ferdinand while delivering the Lion of Sodor.
TobyandBashpromo Toby and Bash Sharon Miller 3 April 2011 #02
Toby tries to find Bash a home on Sodor, but Bash misses his friends on Misty Island.
Percy'sNewFriendspromo Percy's New Friends Gerard Foster 10 April 2011 #03
After his friends say they are too busy to play, Percy decides to make friends with the animals on Sodor.
EmilyandDashpromo2 Emily and Dash Sharon Miller 10 April 2011 #04
Emily has to escort Dash to a steam fair but thoughtlessly leaves him behind.
JamestotheRescuepromo2 James to the Rescue Sharon Miller 17 April 2011 #05
James refuses to work with Toby as the rescue engine, but soon regrets his decision.
HappyHiro Happy Hiro Sharon Miller 17 April 2011 #06
Hiro is feeling homesick, so Thomas tries to cheer him up by taking him to Misty Island.
Henry'sHappyCoalpromo Henry's Happy Coal * Sharon Miller 24 April 2011 #07
'Arry and Bert tease Henry about using special coal.
EdwardtheHeropromo Edward the Hero Sharon Miller 24 April 2011 #08
Edward wants to be a hero like Harold.
LetitSnow32 Let it Snow Sharon Miller 1 May 2011 #09
While collecting logs for an animal shelter, Thomas sings the Misty Island Snow Song in hopes of making it snow for Christmas.
PercytheSnowmanpromo5 Percy the Snowman Lizzie Ennever 1 May 2011 #10
Thomas has a special job of taking Sir Topham Hatt to switch on the Christmas lights, and wants to share it with Percy. But he only covers his best friend in snow.
StopThatBus!promo Stop That Bus! Sharon Miller 8 May 2011 #11
Thomas takes Bertie on a tour, but Bertie has to pick up Dowager Hatt and her friends.
SpencertheGrandpromo Spencer the Grand Jessica Sandys Clarke 8 May 2011 #12
Spencer disobeys orders and tries to puff to the Duke and Duchess of Boxford's summer house in the fog.
BigBellepromo Big Belle Sharon Miller 15 May 2011 #13
Belle's attempts to be friends with Toby only frighten the steam tram away.
StuckonYoupromo2 Stuck on You Sharon Miller 15 May 2011 #14
Thomas and Butch do not listen to Victor's instructions, so they do not know how to work Butch's new magnet.
WonkyWhistlepromo Wonky Whistle Neil Ben 22 May 2011 #15
Thomas rushes off before his whistle can be properly fixed and scares Farmer McColl's animals.
Up,UpandAway!promo19 Up, Up and Away! Sharon Miller 22 May 2011 #16
Thomas and Percy deliver Mr. Bubbles' giant balloon.
SurpriseSurprisepromo Surprise, Surprise Sharon Miller 29 May 2011 #17
Thomas tries to hold a Christmas party for Percy, Edward and Stanley at the Sodor Steamworks, but does not tell Victor.
TreeTroublepromo Tree Trouble Sharon Miller 29 May 2011 #18
Diesel, Den, Dart and Thomas compete to find the best Christmas tree for the Steamworks and Dieselworks.
KevintheSteamiepromo Kevin the Steamie Laurie Israel
Rachel Ruderman
5 June 2011 #19
Kevin practices shunting so that he can take part in Thomas and Percy's game.
FieryFlynnpromo Fiery Flynn Sharon Miller 5 June 2011 #20
Flynn tries to impress the diesels with his bravado with potentially disastrous results.

Screenshot Title Written by Original JPN release date Episode number #
BigBellepromo あたらしいなかまベル (Big Belle) Sharon Miller 3 June 2012 #01
Belle's attempts to be friends with Toby only frighten the steam tram away.
KevintheSteamiepromo ケビンのじまんのフック (Kevin the Steamie) Laurie Israel
Rachel Ruderman
3 June 2012 #02
Kevin practices shunting so that he can take part in Thomas and Percy's game.
GordonandFerdinandpromo ゴードンとファーディナンド (Gordon and Ferdinand) Sharon Miller 10 June 2012 #03
Gordon is embarrassed to be seen with Ferdinand while delivering the Lion of Sodor.
TobyandBashpromo トビーとバッシュ (Toby and Bash) Sharon Miller 17 June 2012 #04
Toby tries to find Bash a home on Sodor, but Bash misses his friends on Misty Island.
WonkyWhistlepromo グラグラのきてき (Wonky Whistle) Neil Ben 17 June 2012 #05
Thomas rushes off before his whistle can be properly fixed and scares Farmer McColl's animals.
FieryFlynnpromo とくしゅしょうぼうしゃフリン (Fiery Flynn) Sharon Miller 20 June 2012 #06
Flynn tries to impress the diesels with his bravado with potentially disastrous results.
EmilyandDashpromo2 エミリーとダッシュ (Emily and Dash) Sharon Miller 15 July 2012 #07
Emily has to escort Dash to a steam fair but thoughtlessly leaves him behind.
Percy'sNewFriendspromo パーシーのあたらしいともだち (Percy's New Friends) Gerard Foster 15 July 2012 #08
After his friends say they are too busy to play, Percy decides to make friends with the animals on Sodor.
EdwardtheHeropromo エドワードはヒーロー (Edward the Hero) Sharon Miller 22 July 2012 #09
Edward wants to be a hero like Harold.
HappyHiro ヒロのホームシック (Happy Hiro) Sharon Miller 22 July 2012 #10
Hiro is feeling homesick, so Thomas tries to cheer him up by taking him to Misty Island.
JamestotheRescuepromo2 レスキューきかんしゃ ジェームス (James to the Rescue) Sharon Miller 29 July 2012 #11
James refuses to work with Toby as the rescue engine, but soon regrets his decision.
Up,UpandAway!promo19 おおきなふうせん (Up, Up and Away) Sharon Miller 29 July 2012 #12
Thomas and Percy deliver Mr. Bubbles' giant balloon.
Henry'sHappyCoalpromo ヘンリーのとくべつなせきたん (Henry's Happy Coal) Sharon Miller 7 October 2012 #13
'Arry and Bert tease Henry about using special coal.
SpencertheGrandpromo スペンサーとふかいきり (Spencer the Grand) Jessica Sandys Clarke 7 October 2012 #14
Spencer disobeys orders and tries to puff to the Duke and Duchess of Boxford's summer house in the fog.
StopThatBus!promo トーマスとバーティー (Stop That Bus) Sharon Miller 14 October 2012 #15
Thomas takes Bertie on a tour, but Bertie has to pick up Dowager Hatt and her friends.
StuckonYoupromo2 くっついたトーマス (Stuck on You) Sharon Miller 14 October 2012 #16
Thomas and Butch do not listen to Victor's instructions, so they do not know how to work Butch's new magnet.
LetitSnow32 ゆきよ、ふれ! (Let it Snow!) Sharon Miller 25 November 2012 #17
While collecting logs for an animal shelter, Thomas sings the Misty Island Snow Song in hopes of making it snow for Christmas.
SurpriseSurprisepromo ステキなクリスマス・パーティー (Surprise, Surprise) Sharon Miller 25 November 2012 #18
Thomas tries to hold a Christmas party for Percy, Edward and Stanley at the Sodor Steamworks, but does not tell Victor.
PercytheSnowmanpromo5 ゆきだるまのパーシー (Percy the Snowman) Lizzie Ennever 24 December 2012 #19
Thomas has a special job of taking Sir Topham Hatt to switch on the Christmas lights, and wants to share it with Percy. But he only covers his best friend in snow.
TreeTroublepromo ツリーをかざろう! (Tree Trouble!) Sharon Miller 24 December 2012 #20
Diesel, Den, Dart and Thomas compete to find the best Christmas tree for the Steamworks and Dieselworks.

Song

Screenshot Title Composers Original release date
JittersandJapes54 Hear the Engines Coming Robert Hartshorne 5th May 2011 (US)
Tiki-taka, bric-a-brac, shake shake, don't be late...

Characters

Returning Characters

Characters Introduced

Locations

Half Hour Format

When Series 15 aired on Nick Jr. in the UK and Ireland and PBS Kids in the US, each broadcast aired two episodes and a song while the US airings includes a Down at the Station segment.

Exciting Friends

  • Gordon and Ferdinand
  • Song: All You Need
  • Down at the Station: Engines (US only)
  • Toby and Bash

Kindness with Friends

  • Percy's New Friends
  • Song: All You Need
  • Down at the Station: The Railway Line (US only)
  • Emily and Dash

Learning Together

  • James to the Rescue
  • Song: Go, Go Thomas
  • Down at the Station: The Steam Engine (US only)
  • Happy Hiro

Happy Engines

  • Henry's Happy Coal
  • Song: Go, Go Thomas
  • Down at the Station: Coal (US only)
  • Edward the Hero

Fun in the Snow

Helping Each Other

  • Stop that Bus!
  • Song: Roll Along
  • Down at the Station: Passengers (US only)
  • Spencer the Grand

Laughing Together

  • Big Belle
  • Song: Go, Go Thomas!
  • Down at the Station: Water (US only)
  • Stuck on You

Slow Down!

  • Wonky Whistle
  • Song: Hear the Engines Coming
  • Down at the Station: Going Backwards (US only)
  • Up, Up and Away!

Special Times

  • Surprise, Surprise
  • Song: Roll Along
  • Down at the Station: The Driver (US only)
  • Tree Trouble

Being Useful

  • Kevin the Steamie
  • Song: Hear the Engines Coming
  • Down at the Station: Fireman (US only)
  • Fiery Flynn

Cast

UK

  • 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, the Fat Controller, 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 (uncredited)

US

  • Martin Sherman as Thomas and Percy
  • Jules de Jongh as Emily, Rosie, Mavis and Lady Hatt
  • William Hope as Edward, Toby, Whiff, Bash, Rocky, the Duke of Boxford, the Maithwaite Stationmaster, the Steamworks Worker and the Farm Hands
  • Kerry Shale as Henry, Gordon, James, Dash, 'Arry, Bert, Norman, Harold, Kevin, Sir Topham Hatt, and the Railroad Coal Inspector
  • Keith Wickham as Salty, Den, Captain and Dowager Hatt
  • Ben Small as Stanley
  • Teresa Gallagher as Belle and the Ginger-haired Boy
  • Michael Brandon as Diesel and Mr. Bubbles
  • 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 Center Manager

Trivia

  • Nitrogen Studios began production on this series in November 2009.[1] Every episode has a copyright of 2010.
  • This series was supposed to air after Day of the Diesels and was released first on 24th August.
  • This series marks the first of a few things:
    • Butch's first speaking role in the television series.
    • Trevor's first episodic appearance in full CGI.
    • Arlesdale End, Castle Loch, the Norramby Fishing Village and Wellsworth's first appearances in full CGI.
    • The first series to have Rupert Degas as part of the voice cast.
    • The first series to have Ben Small and Teresa Gallagher as part of the US voice cast.
    • The first series to have an episode written by Gerard Foster.
    • The first series with twentieth series being the second, not to have Thomas' name titled in any of the episodes.
    • The first series not dubbed in Swedish since the twelfth series.
    • The first series that not released on DVD since the twelfth series in Nordic countries.
    • The first series to have two Russian dubs after the second series.
  • This is also the only series of a few things:
    • The only series where Thomas, Gordon and Percy have more roles than the rest of the Steam Team.
    • The only series where Annie and Clarabel are never referred to by name.
    • The only series to have Rupert Degas as Butch in the UK. Matt Wilkinson later took over this role in the sixteenth series.
    • The only series to have episodes written by Laurie Israel, Rachel Ruderman, Neil Ben, and Lizzie Ennever.
    • The only series where Sir Topham Hatt's car does not appear.
    • The only series to have Rail Bridge over Rail and Canal Runby to appear in episodes.
    • The only series since the eighth series not to introduce any non-human characters.
    • The only series since the twelfth series where James speaks in only two episodes and has one starring role.
  • This series marks the last of a few things:
  • In the Korean dub, the original British production crew were never credited.
  • Percy's whistle now budges up and down whenever he uses it.
  • Jules de Jongh is credited in the UK credits despite none of her characters speaking in that dub.
  • On Netflix UK, this series was listed as being thirteenth series. The mistake was later corrected.

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