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"Definitely a coloratura."
— Gordon after hearing Alicia Botti scream

Thomas, Percy and the Squeak is the twenty-first episode of the sixth season.


Alicia Botti, a famous opera singer, is coming to Sodor for a concert and the engines are wondering who will take her to the venue at the castle. However, they all agree that Percy will not be chosen as he is very dirty. Come the following day, the Fat Controller had chosen Thomas and tells him to be squeaky clean.

Thomas goes to the washdown where Percy is waiting to be cleaned. However, Thomas insists that he must go next as he has an important job. Percy sets off, still dirty, to collect some coaches for his guaranteed connection. However, once Thomas and his coaches are cleaned, they hear a squeak. His crew assume that Annie and Clarabel's wheels are the cause of this, so they oil them. But, once on the move, the squeak continues on, making Thomas worried.

At Brendam, Thomas pulls up to collect Alicia Botti and the Fat Controller opens one of Clarabel's doors. Unfortunately, there is a mouse in the carriage, which causes Alicia Botti to scream; she screams so loudly that all of the windows around Brendam break. Alicia Botti refuses to ride in Clarabel, much to the embarrassment of Thomas and the Fat Controller. Just then, Percy arrives back from his guaranteed connection and Alicia Botti considers him as a proper engine because of his dirty appearance and decides to ride in him.

Later, Thomas is back at the washdown when Percy arrives. This time, he lets Percy go next for his wash. That night, whilst Alicia Botti is performing her concert at the castle, Thomas and Percy are at Tidmouth Sheds where the mouse, whom Thomas named "Alicia", now lives.





  • At the beginning a poster of Alicia Botti is visible; it says she is performing at the castle tonight, but she was performing the next night. Her name is also misspelled as "Allicia".
  • When Thomas arrives at the docks, his steam platform is visible.
  • Gordon's rear bogie is severely derailed in the last scene of Thomas and Percy at the washdown.
  • When Percy arrives at Brendam, some of the steam from his funnel disappears, indicating a film cut.
  • Alicia the mouse is missing her forepaws when she is inside Clarabel.
  • When James boasts about the Fat Controller picking him, he looks unhappy.


  • Percy: Don't call me dirty Percy!
  • Alicia Botti: A mouse!!!! I can't possibly travel in coaches riddled with mice!
  • Gordon: Peasant!
  • Percy: Yes, I am pleasant!


In Other Languages

Language Name Meaning
Norwegian Thomas, Percy og pipingen Thomas, Percy and the Squeaking
Danish Den mystiske lyd The Mysterious Sound
Japanese トーマスとパーシーとキーキーごえ Thomas, Percy and the Squeak
Slovenian Tomaž, Poldi in Cviljenje Thomas, Percy and the Whimper
Russian Томас Перси и странный писк Thomas, Percy and Strange Squeak
Italian Il Topolino The Mouse
Hungarian Thomas, Percy és a cincogás Thomas, Percy and the Squeaking
Romanian Thomas, Percy şi Chiţăitul Thomas, Percy and Squeaking
Slovak Thomas, Percy a Piskot Thomas, Percy and Squealing
Polish Tomek, Piotrek i Pisk Thomas, Percy and Screeching
Chinese 托马斯,培西和尖叫 Thomas, Percy and Screaming
Korean 성악가와 생쥐 Vocalists and Mice
Swedish Thomas, Percy och gnisslet Thomas, Percy and the Squeak
Thai โธมัสไม่ชอบเสียงหนู Thomas Did Not Sound Like Me

Home Media Releases


DVD Boxsets


DVD Boxsets


DVD Packs




  • Percy's Chocolate Crash

DVD Boxsets