Duck & The Extension is a Potential Plotline episode.


When Thomas leaves to run his branch line, Duck discovers that the rails on an extension are not safe so he warns Diesel about them. But Diesel is skepitcal. When Diesel needs more oil, he runs out of oil and the extension starts to collasp. Duck races to the rescue and pulls Diesel off the extension.

Characters Featured

  • Duck
  • Thomas
  • Diesel
  • Arry & Bert (cameos)
  • Weasel (cameo)
  • D261 (cameo)
  • Old Stuck Up (cameo)
  • Derek (cameo)
  • Daisy (cameo)
  • BoCo (cameo)
  • Bear (cameo)
  • D199 (cameo)


  • Stock Footage from "Duck Takes Charge" and "Donald's Duck" is used


  • When Diesel breaks down on the extension, a moth is visible behind the extension.


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