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“Nothing's happened! Nothing's happened! Silly old Diesel, clever me!”

Rock 'n' Roll is the tenth episode of the fourth season.


One day, Skarloey tells Rusty how different the railway feels since he left to be mended. Rusty explains that the manager planned it to give Skarloey a surprise upon his return. Later that day, Rusty warns Skarloey that there is still a damaged piece of line just outside the first station and expresses specific worry that Duncan, with his habit of "rock 'n' roll," will derail there. Duncan overhears the two engines' conversation and demands to know why they are talking about him. Rusty attempts to warn him, but Duncan dismisses the warning, and thinks he does not need Rusty (who becomes insulted) to tell him what to do.

Duncan collects his coaches and arrives at the station where James is already waiting for him. When Duncan explains his grievances with Rusty, James tells him of the time he supposedly sent Diesel packing. Filled with admiration and unaware James was bragging and sometimes lied, Duncan becomes more reckless and, despite his driver's warning, as he approaches the bad bit of line, begins to "rock 'n' roll," which ultimately causes him to derail.

Rusty is sent to help, but initially refuses. Skarloey expresses his disappointment that Rusty is just going to leave the passengers stranded. Upon being reminded of the passengers, Rusty sets off with some workmen who work alongside the passengers to lever Duncan, who is sad for his silly actions, back onto the rails. For the rest of the day, Duncan is extra careful. That evening, he apologises to Rusty and asks if they can be friends. Rusty agrees and promises to mend the damaged line in the morning.





  • When Skarloey meets Rusty, he is on (viewer perspective) the left side of Rusty. Further down the line, they seem to have switched tracks. Skarloey also has a new line of trucks.
  • When Duncan "rocks 'n' rolls" in his first scene, the track is tilted.
  • Duncan’s eyes jitter up and down when he says “Silly old diesel, clever me!”
  • When Duncan comes off the track, he has his happy face mask on.
  • The pole used to derail Duncan is clearly visible.
  • Rusty's right eye pokes in during the line, "Oh! I forgot about them!"
  • In the close-up of Duncan's wheels when he is put back on the rails, no people are visible, Duncan's rear wheel remains derailed, and the shadow of the hand putting him down can be seen.
  • Rusty's eyes are wonky in the very last shot.
  • Duncan's coaches have faces when he fetches them, but when Duncan meets James at Crovan's Gate, they lose their faces.

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UK DVD Boxsets

AUS DVD Boxsets



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  • Rock 'n' Roll and other Stories


DVD Boxsets